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36 results about "Mugil" patented technology

Mugil is a genus of mullet in the family Mugilidae found worldwide in tropical and temperate coastal marine waters, but also entering estuaries and rivers.

Method for promoting gonad maturing of pseudorasbora parva out of season

The invention belongs to the technical field of aquatic livestock reproduction, and relates to a method for promoting the gonad maturing of pseudorasbora parva out of season. The method comprises the following steps of: (1) in the middle and lower reaches of Changjiang River, selecting pseudorasbora parva longer than 40mm and heavier than 1.0g in September to October, and carrying the pseudorasbora parva back with an oxygen bag as a parent; (2) soaking the pseudorasbora parva body in 2-3% saline solution for 5 minutes, and temporarily cultivating for 2 weeks in a circulating aquaculture system, wherein the daily feed is 5-8% of the pseudorasbora parva weight in the temporary cultivation period; (3) transferring the pseudorasbora parva into an aquarium with a circulating filtration and oxygen increasing device, wherein the density is 12 pseudorasbora parvas per aquarium; and controlling the water temperature to 22-24 DEG C, the light intensity on water surface is 400lux, and the illumination time is 16-24h/d; (4) feeding the pseudorasbora parvas in the morning and afternoon everyday; and (5) changing water once every 2 weeks, wherein 1/2 of the cultivation water is changed; and the physicochemical conditions of water are: the dissolved oxygen is greater than or equal to 7.5mg/L, the pH is 7.5-8.0, the ammonia nitrogen is less than or equal to 0.1mg/L, and the nitrite nitrogen is less than or equal to 0.01mg/L; and cultivating for 2 months to obtain the pseudorasbora parva with mature gonad development.
Owner:HUAZHONG AGRI UNIV

Odontobutis obscurus large-size fry artificial classification separate culture method

The invention relates to an odontobutis obscurus large-size fry artificial classification separate culture method. The method comprises the steps that 1, a net cage is arranged in an indoor culture groove, oxygen increasing heads are arranged on the periphery of the indoor culture groove, a water pushing device is arrange on one side, and a water filtering device is arranged on the other side; 2,newly hatched larvae of odontobutis obscurus are put in the net cage of the culture groove; 3, the culture water depth is controlled to be 0.3+/-0.6 m, the water temperature is controlled to be 22-28DEG C, and sewage suction and water replenishing are conducted every afternoon; 4, after hatching is conducted for 3 d, cladocerans and copepods obtained after filtering through a 60-mesh sieve serveas initial feed, after 7 d, bait mainly adopts limnodrilus and secondarily adopts the cladocerans and the copepods, and after 14 d, while the limnodrilus is used for feeding, loach and newly hatched larvae of pseudorasbora parva are additionally put; 5, after hatching is conducted for about 10 d, by taking the head width as the standard, odontobutis obscurus artificial classification separate culture is conducted, and hereafter, specification screening and classification are conducted every 10 d. Accordingly, indoor odontobutis obscurus large-size fry culture is achieved, after culture is conducted for about 50 d, for the odontobutis obscurus, the average overall length reaches about 20 cm, the head width is about 3.3 mm, and the pond survival rate reaches 90%.
Owner:FRESHWATER FISHERIES RES INSITUTE OF JIANGSUPROVINCE

Mixed-culture method for macrobrachium nipponense and pseudorasbora parva

The invention proposes a mixed-culture method for macrobrachium nipponense and pseudorasbora parva. The method comprises the following steps: 1) selecting a pond; 2) disinfecting the pond: putting water with a depth of 0.5-1m into the empty pond obtained in the step 1), throwing quick lime for disinfection, planting aquatic plants, hanging a decomposed microbial organic fertilizer at the edge of the pond, placing a shielding substance, and adjusting the water temperature, dissolved oxygen and pH value of the pond to obtain a cultivation pond; 3) throwing young macrobrachium nipponense and fry;and 4) performing breeding management: from a first week to a seventh week, performing feeding for 2 times every day, wherein boiled primary feed is thrown; and after an eighth week, performing feeding according to a water temperature, wherein traditional Chinese medicine feed is thrown, improving the water quality every 3-5 days, and throwing young grass carps and bellamya quadrata. The culturemethod provided by the invention fully utilizes culture resources, maintains the water quality, reduces small trash fishes in the fish pond, enriches the product structure of aquatic animals, reducesthe risk of production, greatly improves the utilization ratio of the feed, and increases the yield of the aquatic animals.
Owner:HEFEI KANGQINGYUAN BREEDING CO LTD

CAPS marker relevant to ear sprouting resistance/sensibility of wheat and applications of CAPS marker

ActiveCN108913698ABroadening the genetic base of resistanceMicrobiological testing/measurementPlant peptidesSeed dormancyBiotechnology
The invention discloses a CAPS marker relevant to ear sprouting resistance/sensibility of wheat and applications of the CAPS marker, and relates to the technical field of genetic breeding. The invention discloses a candidate gene for controlling the seed dormancy/ear sprouting resistance of wheat, the candidate gene is named as TaGASR-7B, the nucleotide sequence of TaGASR-7B is specifically SEQ IDNO.1, meanwhile, one CAPS marker is developed according to the candidate gene, and a sequence table of the CAPS marker is SEQ ID NO.4. For a method for identifying the ear sprouting resistance or sensibility of the wheat adopting the CAPS marker, primer pairs are adopted for amplifying the CAPS marker, digestion is then carried out, if the digestion product is two main bands, the gene sequence corresponding to the product is named as GS7B1-R, and the corresponding wheat variety shows ear sprouting resistance; and if the digestion product is one main band, the gene sequence corresponding to the product is name as GS7B1-S, and the corresponding wheat variety shows ear sprouting sensibility. With the adoption of the technical scheme, a gene resource and a functional marker are provided for ear-sprouting-resistant breeding of wheat, and thus the resistance hereditary basis of wheat is widened.
Owner:ANHUI AGRICULTURAL UNIVERSITY

A method and device for identifying the ear differentiation stage of winter wheat

The embodiment of the present invention provides a method and device for identifying the ear differentiation stage of winter wheat. The inventive method includes: obtaining the model parameters of the wheat growth simulation model according to the collected parameters in the winter wheat planting area to be identified, and obtaining the localized wheat growth simulation model ; According to the data of the agricultural meteorological station in the winter wheat planting area to be identified, the first temperature data time series of the winter wheat to be identified is obtained, and the second temperature data time series of the winter wheat to be identified is obtained according to the multi-temporal remote sensing images in the winter wheat planting area to be identified; The data assimilation method is to assimilate the first temperature data time series and the second temperature data time series to obtain the assimilated temperature data time series of winter wheat to be identified; according to the time series of assimilated temperature data and the localized wheat growth simulation model, the winter wheat to be identified is obtained Identification results of panicle differentiation stages in the planting area. The embodiment of the present invention realizes identification of winter wheat panicle differentiation stage on a regional scale.
Owner:CHINA AGRI UNIV

Method for promoting gonad maturing of pseudorasbora parva out of season

The invention belongs to the technical field of aquatic livestock reproduction, and relates to a method for promoting the gonad maturing of pseudorasbora parva out of season. The method comprises the following steps of: (1) in the middle and lower reaches of Changjiang River, selecting pseudorasbora parva longer than 40mm and heavier than 1.0g in September to October, and carrying the pseudorasbora parva back with an oxygen bag as a parent; (2) soaking the pseudorasbora parva body in 2-3% saline solution for 5 minutes, and temporarily cultivating for 2 weeks in a circulating aquaculture system, wherein the daily feed is 5-8% of the pseudorasbora parva weight in the temporary cultivation period; (3) transferring the pseudorasbora parva into an aquarium with a circulating filtration and oxygen increasing device, wherein the density is 12 pseudorasbora parvas per aquarium; and controlling the water temperature to 22-24 DEG C, the light intensity on water surface is 400lux, and the illumination time is 16-24h / d; (4) feeding the pseudorasbora parvas in the morning and afternoon everyday; and (5) changing water once every 2 weeks, wherein 1 / 2 of the cultivation water is changed; and the physicochemical conditions of water are: the dissolved oxygen is greater than or equal to 7.5mg / L, the pH is 7.5-8.0, the ammonia nitrogen is less than or equal to 0.1mg / L, and the nitrite nitrogen is less than or equal to 0.01mg / L; and cultivating for 2 months to obtain the pseudorasbora parva with mature gonad development.
Owner:HUAZHONG AGRI UNIV

Dried fish and production method thereof

The invention relates to dried fish and belongs to the field of food processing. Aiming at solving the technical problems, the invention provides a production method of the dried fish; the specific method comprises the following steps: a, taking fresh pseudorasbora parva and removing internal organs; washing and putting the fish into beer and pickling for 0.2h to 0.5h; b, taking out the pseudorasbora parva from the beer and roasting the pseudorasbora parva at the temperature of 50 DEG C to 70 DEG C for 40s to 70s; taking out the pseudorasbora parva and covering the pseudorasbora parva with flour paste; putting the pseudorasbora parva into mixed oil and frying for 30s to 60s; fishing out the pseudorasbora parva and draining to prepare the dried fish, wherein the flour paste is prepared by uniformly mixing potato starch, wheat flour, egg white, salt, monosodium glutamate, pepper, chicken essence and Chinese prickly ash according to the weight ratio of 100 to (10 to 20) to (50 to 60) to (8 to 10) to (5 to 8) to (2 to 4) to (5 to 8) to (1 to 3) and the mixed oil is obtained by uniformly mixing peanut oil, rapeseed oil and lard oil according to the weight ratio of 1 to 1 to (0.3 to 0.5). The dried fish provided by the invention has abundant nutrients; especially, the content of calcium is greatly improved.
Owner:成都市新津活活饭店

An inoculation identification method capable of observing the symptoms of wheat black germ disease in time

The invention discloses an inoculation identification method capable of observing the symptoms of wheat black germ disease in time. First, after wheat earing, the wheat ears are subjected to hulling treatment and the husked wheat ears are subjected to miscellaneous bacteria isolation; the pathogenic bacteria of wheat black embryo disease are inoculated in a petri dish containing PDA medium for dark culture, Obtain the pathogenic bacteria colonies after cultivation; wash the pathogenic bacteria colonies obtained, filter, centrifuge, and adjust the spore concentration to obtain the spore suspension for later use; when the wheat grains are full of kernels, spray the spore suspension on the shell-cut ears Cover the ears with a plastic bag to keep the ears moist; observe the infection of the germs on the inoculated grains and the formation of black germ disease symptoms after inoculation; count the black germ rate when the wheat is mature, and use it as the identification result of wheat black germ disease. The method of the invention can not only observe the occurrence of symptoms in time, but also make the identification result more stable and reliable; and can timely and reasonably prevent and control the wheat according to the dissemination situation.
Owner:HENAN AGRICULTURAL UNIVERSITY

High-yield and high-efficiency fertilization methods for rain-fed rice stubble wheat in northern Jiangsu

The invention discloses a high yield and high efficiency fertilizing method for rain-fed wheat in rice stubble in the northern Jiangsu area. The method specifically comprises the following steps of: (1) additionally applying a phosphorus and potassium base fertilizer, wherein urea of the base fertilizer is reduced in dosage while the date of seeding is postponed; (2) strictly controlling a striking root fertilizer, and applying a jointing fertilizer due to seedlings and rain; and (3) generally applying and heavily applying a booting fertilizer, determining whether a flower raising fertilizer is applied according to the number of spikelets which do not bloom, and taking good fecundity of the spikelets of the ears of wheat, three green leaves obtained by heading a single stem in 25 days as a testing index whether the reviving jointing fertilizer is reasonable or not and the booting fertilizer is sufficient or not. The invention provides the fertilizing method with limiting conditions such as the date of seeding of the rain-fed wheat in rice stubble in the northern Jiangsu area is late, the seeding is slow to emerge, the rice straws are returned in full dose, surface soil moisture content in autumn and winter is relatively poor, the rice is hard to irrigate, and the fertilizer-retaining ability of the soil is poor. The method has the major effects of being large in spike, full in grain and high in yield and overcomes the defects that in the prior art, the base fertilizer has more striking root fertilizer and jointing fertilizer and the booting fertilizer is severely insufficient.
Owner:HUAIAN AGRI TECH EXTENSION CENT +1
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