152 results about "Swine herd" patented technology

Mycoplasma hyopneumoniae polypeptides and nucleic acids, as well as nucleic acid expression vectors and host cells containing nucleic acid vectors are provided. In addition, compositions containing M. hyopneumoniae polypeptides and nucleic acids are provided for use in methods of treating swine to prevent enzootic pneumonia. Furthermore, the invention provides diagnostic tests for the detecting of M. hyopneumoniae infection in swine herds.

The methods provided herein relate to swine production. Specifically the instant invention provides methods for the production of terminal parent animals (i.e. terminal sires and terminal dams) for use in swine production herds. Also provided are methods for quickly and efficiently introducing and / or fixing one or more desirable traits or alleles in a swine herd. Alternatively, the present methods may be employed to eliminate a particular undesirable trait or gene. The invention also provides for herds that have been developed using any of the methods described herein. The invention also provides for the use of embryo transfer, including markerassisted embryo transfer to facilitate the transfer of genetic material, particularly when it is desirable to maintain the specific-pathogen free status of a herd.

The invention discloses an ELISA (Enzyme Linked Immuno Sorbent Assay) method for detecting an African swine fever CD2v protein antibody, a kit and application. The ELISA method is a double-antigen sandwich method. Through the method, the ELISA kit for detecting the African swine fever CD2v protein antibody is obtained, and the ELISA kit comprises a horse radish peroxidase labeled CD2v antigen anda CD2v protein coated elisa plate. By utilizing the kit designed by the invention, a large number of African swine fever virus antibodies can be screened; the kit can also be used for identifying African swine fever vaccine strains and wild strains in CD2v-deleted immune swine herds, is rapid and sensitive in detection, good in specificity, very suitable for large-area rapid detection and generalinvestigation of African swine fever epidemic situations and purification and eradication of African swine fever in pig farms in the future, and wide in application prospect.

Pigs infected with PEDv often die due to dehydration caused by diarrhea. Those that survive do not reach market weight as scheduled resulting in costs to the producer. The invention includes providing electrolyzed water either as treatment for infected animals or as a prophylactic against symptom severity in uninfected animals. The electrolyzed water is used as a substitute for or as a solution with regular drinking water. Duration of symptoms for infected pigs is markedly lessened; severity of symptoms is also reduced providing a much higher survival rate. Time to market is less negatively affected for surviving pigs than those untreated, and weight at scheduled time for sale is also less effected translating into positive financial results over those expected for untreated herds.

The invention relates to a monitoring method for abnormal behaviors of pigs and specifically relates to an intelligent monitoring method and an intelligent monitoring system for the abnormal behaviors of pigs on the basis of sound. The intelligent monitoring method comprises the stages of modeling for the abnormal sound of pig groups or pigs and analyzing and diagnosing the abnormal sound of the pig groups or pigs. The intelligent monitoring system comprises a sound sensor, a diagnosis front-end device, a network communication module and a monitoring device which are mounted in a pigsty. According to the intelligent monitoring method and the intelligent monitoring system for the abnormal behaviors of pigs on the basis of sound, provided by the invention, the behavior state of the pigs is monitored in real time by intelligently simulating an expert breeder, real-time reference and alarming information are supplied and the breeder is reminded of intervening the abnormal behaviors of the pigs in time, so that the purpose of scientific breeding is achieved. The intelligent monitoring system is simple in structure, reasonable in method, low in cost, high in stability and capable of being integrally used in large scale.

The invention belongs to the technical field of biological products for veterinary use, in particular to a method for preparing a swine fever-pseudorabies bigeminal live vaccine by using passage cells and a product thereof. The method for preparing the swine fever-pseudorabies bigeminal live vaccine by using the passage cells comprises the following steps: (1) culturing a swine fever lentogen strain and a pseudorabies lentogen strain by the passage cells; (2) harvesting cell culture venoms prepared in the step (1); and (3) mixing two kinds of cell culture venoms prepared in the step (2) in a ratio of 1:2 to prepare the passage cell swine fever-pseudorabies bigeminal live vaccine through cooling and vacuum drying. The invention also provides the swine fever-pseudorabies bigeminal live vaccine prepared by the preparation method. The swine fever-pseudorabies bigeminal live vaccine can be used for immunization, can reduce the workload of the immunization, reduce the number of immunization times, avoid immunologic paralysis caused by frequent immunizations, reduce stress on a swine herd correspondingly, and prevent and control the occurrence of the swine fever and the pseudorabies.

The invention discloses an environment-friendly pig house and an implementation method. The environment-friendly pig house comprises a pig house body, a swage evaporation and odor adsorption system, wherein the pig house body comprises a lower empty space and an upper pig breeding layer; a pigsty floor of the pig breeding layer is a semi dung-leaking floor formed by combining a solid floor and adung-leakingfloor; a dung channel is arranged at the lower part of the dung leaking floor; a ventilation channel is arranged at the lower part of the solid floor; a partition wall divider with ventilation holes is arranged between the dung channel and the ventilation channel; the sewage evaporation and odor adsorption system and a solid dung composting area are arranged in the ventilation channel; a negative pressure blower is arranged at one end of the ventilation channel for supplying air to the outside of the pig house for ventilation. By using daily ventilation of the pig house, the targets of zero sewage discharge and deodorization are achieved by the pig house. The swage evaporation and odor adsorption system and the solid dung composting area can be kept at a certain temperature by using the heat generated by a pig group, so that the influence of a low temperature is avoided. According to the environment-friendly pig house, environmental protection of the pig breeding process can be achieved, the operation is simple and the environment-friendly pig house is not affected by weather.

The invention discloses a method for breeding pig breeds of Meiling black pigs. The method comprises the following steps that (1) excellent piglets are selected as reserved backup pigs on the 20th day after the birth of the piglets; (2) the secondary optimization screening is carried out after fourth month of the reserved backup pig selection, and high-quality stock pig breeds are selected; (3) when the body weight of the selected high-quality stock pig breeds is increased to 50kg, the selection remaining and the elimination are carried out by utilizing the integral selection indexes and referring to the genealogical ancestry and the somatotype appearance according to the individual and compatriot performance test results, and backup pig groups are selected and formed; (4) male pigs and female pigs in the backup pig groups can mate according to requirements, and pigs with poor growth and development conditions, genetic diseases and breeding difficulty are weeded out. The method for breeding pig breeds of Meiling black pigs is set out according to the actual characteristics of the pig breeds of the Meiling black pigs. When the method for breeding pig breeds of Meiling black pigs is adopted, the purebred pig breeds of Meiling black pigs with good properties and stable hereditary feature can be selected, and the social benefits and the economic benefits are obvious.

The invention relates to an anti-stress disease-prevention piglet feed comprising the following components in parts by weight: 60-68 parts of corn flour, 5-8 parts of potato four, 3-6 parts of yellow mealworm powder, 2-5 parts of fish meal, 3-5 parts of bone meal, 2-4 parts of enterococcus faecalis, 0.5-1 part of selenium yeast, 5-8 parts of dry sweet potato vine, 8-15 parts of grape skins, 1-3 parts of citric acid, 1-3 parts of anhydrous dextrose and 2-5 parts of Chinese medicinal herb powder. Compared with the prior art, the components and the dosages are reasonably collocated to integrate the synergistic action among the components, improve the palatability of the feed, improve the food intake of piglets and the utilization ratio of the feed, reduce the breeding cost and enhance the immunologic function of the piglets at the same time, so that diseases are reduced, adverse stress responses to the outside of swine herds are reduced, the swine herds are promoted to grow quickly and healthily, the excrement off odor is reduced, and the anti-stress disease-prevention piglet feed is a green piglet feed adaptive to intensive pig production.

An instant-stirring feeding tank with a dosing device comprises a feeding tray (1), a feed stirring tank (2), a right observation window (3) and a feed hopper (4) and is characterized in that a motor (6) is disposed on the upper portion of the feed stirring tank (2) and is connected with a screw (13) through a reducer (5), the lower portion of the feed stirring tank (2) is fixed on a stirring tank support ring (25) of the feeding tray (1),the feed hopper (4) higher than the motor (6) is disposed on the side of the motor (6), a dry feed passage (32) is connected to the lower portion of the feed hopper (4), and a dry feed valve (33) is arranged between the dry feed passage (32) and the feed hopper (4). Therefore, the problem that wet feed supply and hot water supply are inconvenient in large-scale pig breeding is solved.

The invention relates to a preparation method and an application of a full-length infectious clone of a porcine SVV (Seneca Valley Virus), comprising the following steps: (1) amplification of a full sequence of an SVV / GD05 strain genome; (2) construction of infectious clone plasmid of a pSVV-GD05 virus; (3) construction of pSVV-GD05-iLOV recombinant plasmid; and (4) rescue of a parental virus (SVV-GD05) and a recombinant virus (SVV-GD05-iLOV). The method provided by the invention utilizes a strain of the SVV isolated from a Chinese pig herd to construct a viral infectious clone pSVV-GD05 withbacterial plasmid as a skeleton, and can successfully rescue the virus. At the same time, a reporter gene iLOV is inserted into an SVV infectious clone virus genome, and the recombinant SVV virus capable of expressing the reporter gene is successfully rescued. The preparation method and application of the invention provide an effective platform for deep and basic research and application of SVV, and have important scientific application value.

The invention discloses a method and system for monitoring abnormal sound of pigs. The method for monitoring the abnormal sound of the pigs comprises the following steps that S101, standard signals ofthe abnormal sounds of the pigs are collected; S102, characteristic parameters of the standard signals of the abnormal sound of the pigs are extracted, and a sound recognition model is established according to the characteristic parameters; S103, field sound signals of the pigs in a pig house are collected through sound collection equipment; S104, the field sound signals of the pigs are input into the sound recognition model for identification; and S105, a recognition result is output. The method and system can monitor the sound of the pigs in real time, and judge whether the sound emitted bythe pigs is abnormal sound (such as pig coughing sound and pig biting sound) or not through the sound recognition model, so that people can know that whether the pigs have abnormal behavior or not intime, and corresponding measures are taken timely to ensure the normal growth of a pig herd.

The invention provides a liquid phase chip multiple detection kit for swine PRRSV (Porcine Reproductive and Respiratory Syndrome Virus), SIV (Swine Influenza Virus) and HEV (Hepatitis E Virus) antibodies. Different fluorescence labeling microspheres of PRRSV nsp7, SIV HA (Hemagglutinin) and HEV ORF2 (Opening Reading Frame) antibodies are used as carriers; on the basis of a single liquid phase chip detection method of the PRRSV, SIV and HEV antibodies, a multiple liquid phase chip detection method for simultaneously detecting three antibodies is established, provides a more effective and quicker detection method for monitoring the HEV, PRRSV and SIV antibodies, and provides a new clue for establishing a method of differential diagnosis of swine diseases and serum detection of other animal epidemic disease antibodies; aiming at breeding situation of quick development of pig industry in China, complex conditions of the swine diseases, serious mixed infection phenomenon and the like, accurate, quick and effective diagnosis and monitoring of epidemic disease conditions of swine herds are further enhanced.

The invention discloses an ecological environment-friendly floor pig raising comprehensive system which comprises a building, pig houses, an excrement treatment system, a powder synthesis system, a porridge supply device and an air circulation system. The pig houses are arranged in multiple floors of the building, excrement leakage plates and excrement discharge devices are sequentially arranged at the bottoms of the pig houses, and the excrement discharge devices are connected with the excrement treatment system; and the excrement treatment system is arranged outside the building and is lowerthan the excrement discharge devices, the porridge supply device is connected with the powder synthesis system and the pig houses, the powder synthesis system processes live pig feeding raw materialsand ingredients into powder according to a specific proportion, the porridge supply device converts the powder into porridge capable of being directly eaten by live pigs, and the air circulation system is arranged in the building. According to the ecological environment-friendly floor pig raising comprehensive system, on the basis of meeting the comfortable living environment and living habits ofthe pigs, meeting the nutritional requirements of the pigs at all stages and making good biological safety, the optimal health degree and the optimal growth benefit are achieved, additional income increase is achieved in combination with comprehensive utilization of excrement, labor is saved, and environment protection is achieved.

The invention relates to feed set meals for pigs in different physiological stages, and discloses a systematic nutrition scheme for sows to increase the number of market commercial pigs each year, and the benefits of pig farms are improved accordingly. The systematic nutrition scheme comprises a sow fecundity N+ series product, a piglet higher survival rate 7030 scheme, a pig growing and fattening more-profit making V+ series product and matched feeding patterns. According to the sow fecundity N+ series product, healthy reproduction of boars can be guaranteed by providing enough maintenance, growth, reproduction and immunization nutrition. According to the piglet higher survival rate 7030 scheme, the nutritional requirements of pig stocks in each production stage are met by taking a 'comprehensive nutrients + high and balance nutritional levels + high-quality nutrient sources ' scheme into account, the digestive absorption capacity and the intestinal immunity of the pig stocks are improved by guaranteeing the gastrointestinal tract health, and the self immunity of the pig stocks is reinforced by guaranteeing production nutrition and paying close attention to immune nutrition and stress nutrition. The pig growing and fattening more-profit making V+ series product is prepared according to different nutritional requirements of the pigs in different growth and development stages, and the obtained commercial pigs grow fast, low in feed ration and good in meat quality.

The invention provides an African swine fever virus antibody ELISA (Enzyme Linked Immuno Sorbent Assay) detection kit. A support medium of the kit is coated with an African swine fever virus antigen,and the African swine fever virus antigen is African swine fever virus p30 and / or protein delta p54 protein. The African swine fever virus p30 protein is as shown in SEQ ID No. 1, and the African swine fever virus delta p54 protein is as shown in SEQ ID No. 2. The African swine fever virus antibody ELISA detection kit disclosed by the invention is good in specificity, sensitivity and repeatability, the sensitivity of the kit coated with the two antigens is equivalent to that of indirect immunofluorescence detection, antibody positive can be detected earlier at a low antibody level in the earlystage, a basis is provided for clinical swine herd infection conditions, and the kit plays an important role in preventing and controlling African swine fever virus infection.

The present invention discloses a method for detecting classical swine fever virus specific antibody in pig saliva. The method comprises: 1) preparing classical swine fever totivirus antigen, inactivating, and coating a 96-well polystyrene reaction plate; 2) adopting a cotton rope suspending method, collecting saliva, and treating to obtain a saliva first antibody; 3) adding the saliva first antibody to an antigen coated reaction plate according to the number, carrying out a 22-28 DEG C saturated humidity reaction for 1 h, and washing; 4) sequentially adding horseradish peroxidase-labeled goat anti-pig IgG-FC antibody to the reaction plate, carrying out a 22-28 DEG C saturated humidity reaction for 30 min under a dark condition, and washing; 5) mixing TMB coloring agents solution A and solution B according to a ratio of 1:1, sequentially adding to the reaction plate, carrying out a reaction under a dark condition for 15 min, and adding a termination solution; and 6) placing into an enzyme-labeling measuring instrument, reading the OD650 data, and determining the result. According to the present invention, the problem of single animal blood collection is avoided, and the method is suitable for large scale investigation of classical swine fever antibody in pig herd.

The invention provides a robot for healthy raising of live pigs. The robot for healthy raising of the live pigs is used for solving the problems that manual inspection of abnormal behavior characteristics of live pigs, and detection and regulation of raising environment parameters are poor in accuracy, low in efficiency and high in labor strength. The robot for healthy raising of the live pigs comprises a mobile terminal monitoring platform, an execution mechanism platform and a behavior monitoring platform, wherein the mobile terminal monitoring platform, the execution mechanism platform andthe behavior monitoring platform are all provided with wireless transmission modules, and the mobile terminal monitoring platform and the execution mechanism platform are connected with the behavior monitoring platform through the corresponding wireless transmission modules respectively. The robot for healthy raising of the live pigs can automatically and fast conduct global or local monitoring and automatic collecting on information of growth situations, behavior characteristics, raising environments and the like of pig herds and pig individuals of selected pigpens in sequence, functions of timely regulation of abnormal environments of the live pigs, fast judgement and diagnosis of abnormal behavior and diseases, early warnings against epidemic situations, and the like are achieved, and the intelligent management level of a live pig raising process is raised.

The invention discloses a pigsty with an adjustable area for large-scale pig breeding. The pigsty comprises a pigsty room, two first connecting rods and two second connecting rods; the top of the pigsty room is covered with a pigsty roof, and the middle and bottom of one side of the pigsty room are provided with a switch panel and a feces suction pump respectively; the interior of the pigsty room is separated into an activity room and a feces storage room from top to bottom by a bottom plate, the interior of the activity room is separated into a breeding room and a walkway by a partition wall, and the breeding room is internally provided with a transverse sliding rail and a longitudinal sliding rail. According to the pigsty with the adjustable area for large-scale pig breeding, through the arrangement of the sliding rails, a motor, a hydraulic press, a partition plate, a fence and a retractable rod, the motor drives a fixing plate to move on the sliding rails to an appropriate location, the partition plate moves downwards under the action of the hydraulic press and separates the breeding room, and farmer can use the retractable rod to pull up the fence to separate the breeding room to meet the demands of people for quickly adjusting and distributing the area of a breeding zone of the pigsty according to the number of pigs.

The invention provides a major gene for porcine intramuscular fat deposition and a molecular marker thereof, and discloses application of the major gene in pig breeding and preparation of products relative to gene diagnosis of the porcine intramuscular fat deposition. Based on the major gene and the molecular marker, a genetic diagnostic technique with porcine intramuscular fat deposition characteristics is developed, and a core swine herd with intramuscular fat super deposition is established, thus pig breeding workers can breed pig breeds with high lean meat percentage and high intramuscular fat content in a short time.

The present invention discloses an animal welfare facility, in particular to an anti-stress machine used for a pig which is arranged in a hutch for meeting the demand of such normal actions as rooting and bite and so on of pigs, reducing the fight and attack actions between pigs and bringing down swine herd stress. The technic proposal comprises a cavity (1) for rooting of the pig which is provided with a rope (3) for the bite of the pig; the cavity is also provided with a suspension ring (2); materials for emitting smell are arranged in the cavity (1). The present invention has the advantages that the invention is firm and durable, easy to be cleaned and disinfected and is able to be produced in large scale, moreover, the invention is easy to be discerned by pigs, which attracts the pigs to study and play for long time. The use of the facility reduces the abnormal actions of pigs and the attack to the fellows, reduces the play and damage of pigs to the feeding facility and increases the harmony of swine herd, thus being beneficial to improving production performance.

The invention discloses a method for breeding boars by means of combining constant production and visual management. The method comprises the following steps that in order to mate in a centralized manner, Regumate is continuously fed orally for 14 to 18 days, and a sow can be in heat within 4 to 7 days after stopping feeding the Regumate; when weaned sows and reserved sows are all in heat within 4 to 7 days and are mated, parturition can be completed within 4 days in a more centralized manner; a condition whether a sow group is normal or not can be known earlier by means of collecting data in coordination with a sow visual whiteboard, monitoring an impregnation grade at any time and adjusting a mating number at any time. By utilizing of the breeding method disclosed by the invention and the visual whiteboard, the amount of reserved sows is prepared can be predicted in 12 weeks before mating in advance, so that the number of the reserved sows is more precise, the management is more efficient, and the feeding cost is reduced more; centralized mating can achieve the effects that the sows deliver piglets in the more centralized manner, the uniformity is increased, the immune level is similar, the delivery work is centralized, and the labor force is less wasted, therefore the cost is lowered, the health degree of the sow group is increased, and the use of antibiotic can be reduced more.

The invention discloses a method for estimating the average weight of swinery in the same pigsty based on computer vision, which comprises the following steps of: installing a camera, establishing an approximate camera imaging model and establishing a height priori value table for each skeleton joint point of a pig; carrying out pig detection and instance segmentation on a pig image shot by a camera to obtain the rectangular frame position and edge contour information of a pig in the image, carrying out skeleton joint point detection on each detected pig, and identifying the posture of the pig by utilizing the edge contour information of the pig; estimating size information of each part of the pig by using bone joint points and posture information of the pig; and establishing a correlation model of the weight of the pig and the size information of each part of the pig by adopting regression analysis so as to estimate the average weight of the pig. According to the invention, the situation that a single pig is weighed without stopping and consuming manpower everyday is effectively avoided, non-contact type weight estimation is carried out on the swinery in the same pigsty, and the method has important practical application significance.

The invention relates to a pig house timing and quantitative feeding device for livestock breeding. The pig house timing and quantitative feeding device for livestock breeding effectively solves the problems that when an existing pig house is used for breeding, feed in a feeding trough is prone to being polluted, and pigs are prone to getting sick. According to the technical scheme, on the basis that the pig house feeding device achieves timed and quantitative feeding, the top end of the feeding trough can be blocked every time when pigs stop feeding, so that invasion of flies and insects is avoided, the top end of the feeding trough can be automatically opened every time when the pigs feed, and before each time of feeding, residual feed on the bottom wall of the feeding trough can be removed in advance, the feed adhering to the bottom wall of the feeding trough is removed through a craper blade, then the feed is fed into the feeding trough, the whole device is high in automation degree, a good feeding mode is guaranteed, and meanwhile the health condition of the pigs is guaranteed.

The invention discloses a three-dimensional livestock breeding system for achieving energy conservation, environment protection and bio-safety. The three-dimensional livestock breeding system comprises a multi-layer building, wherein except the lowest layer, the other layers are breeding layers; an air filtration device, a terrestrial heat ventilating pipeline and so on are arranged in the lowestlayer; an air inlet pipeline, a gutter air dust and so on are arranged in each of the breeding layer; the three-dimensional livestock breeding system is also provided with a waste gas chamber; the whole system is formed by a waste gas heat recovery system, an earth source heat preheating (precooling) system, an in-house ventilating system, an epidemic prevention system and so on. According to thethree-dimensional livestock breeding system, by controlling a route of transmission of air into a house, epidemics can be effectively prevented, and the grade of bio-safety is increased; by arrangingthe terrestrial heat ventilating pipeline, the house can be preheated or precooled by utilizing earth source heat, so that the fluctuation of temperature in the house is reduced, the heat (cold) stress of swine herds can be prevented, and the energy consumption of a heat (cold) load of the building is reduced. Additionally, according to the three-dimensional livestock breeding system, the heat ofwaste gas can also be effectively utilized, so that energy conservation and environment protection are achieved.

The invention belongs to the field of biotechnology detection and particularly relates to a recombinant cell line capable of stably expressing porcine delta coronavirus-N protein and application of the recombinant cell line. The cell line comprises a porcine delta coronavirus-N protein gene and a resistance screening gene. The obtained recombinant cell line capable of stably expressing PDCoV-N protein and with puromycin resistance can be used for detecting PDCoV specific antibodies, and the fact that a swine herd which is not immunized by vaccines is infected by wild viruses can be determinedwhen specific antibody positive reaction is detected.

The invention discloses a pig herd gathering detection method, which comprises the following steps: acquiring pictures of a pig house breeding field, calling a pre-trained neural network model to extract a pig herd foreground, and automatically identifying whether a pig herd is gathered or not through a classification model. The method can automatically detect whether the pig herds are piled or not, and solves the problems that at present, manual detection of pig herd piled is troublesome and laborious, and monitoring is not timely; contact between people and the swinery is reduced through automatic monitoring and recognition, disease transmission can be prevented to a certain extent, and the health of the swinery is guaranteed; meanwhile, the method can generate an accurate bunch detection result, and can provide effective and reliable reference information for pig house environmental control, swinery disease reasoning and diagnosis and the like. The invention further discloses a pig herd gathering detection device and equipment and a readable storage medium, and the corresponding technical effects are achieved.

The invention discloses a fluorescence quantification RT-PCR (reverse transcription-polymerase chain reaction) detection kit of a Eurasian avian-like type H1N1 swine influenza virus and an application thereof. By virtue of multiple alignments of sequences, and aiming at conserved gene segments of the Eurasian avian-like type H1N1 swine influenza virus, an A(H1N1) (2009) swine influenza virus, a classical type H1N1 swine influenza virus and a human-derived H1N1 swine influenza virus, a primer and a probe with strong specificity for detecting the Eurasian avian-like type H1N1 swine influenza virus are designed and are used for performing real-time fluorescence RT-PCR detection. Experiment results show that by using the kit provided by the invention to detect the Eurasian avian-like type H1N1 swine influenza virus, the specificity is high, and the detection sensitivity to virus RNA (ribonucleic acid) can reach 4.6*10<-7>ng / reaction, so that tissue samples of nasal swabs, lungs, tracheas and the like of a to-be-detected swine herd can be detected, and chick embryo allantoic fluid can also be detected. The kit is simple to operate, easy to popularize and convenient in basic-level operation and application, and can become a useful detection tool for epidemic disease diagnosis of the Eurasian avian-like type H1N1 swine influenza virus and epidemiologic investigations.

The invention discloses an application of phytol to preparation of a pig feed additive and a pig feed, and in particular relates to an application of phytol to the preparation of a pig feed additive which can improve the carcass quality and the pork quality of a pig. The feed with the phytol is a safe feed, does not contain poisonous or harmful substances for the growth and the health of swineries, can improve both the carcass quality and the pork quality, and also can enhance the grade of pork products, so that the pork products have a higher market value. A small volume of the phytol is added, and can be directly added in a premix, the phytol adding process is convenient and fast, the preparation method of the phytol is simple, the special equipment requirements do not exist, so that the phytol has wide popularization and application prospects.