45results about How to "Increase fecundity" patented technology

Disclosed is a kind of pelletized feed for java tilapia clean fish whose constituents includes effective dose of animal meat meal, animal oil, material of vegetable origin, yeast powder, mixed vitamins, mixed minerals, garlicin and liquemine. The preparation process comprises the steps of, (1) weighing the coarse raw material by a predetermined proportion and disintegrating, (2) weighing other raw material by a predetermined proportion, mixing with the raw material of step (1), mixing sufficiently with a blender, (3) tableting the mixture of step (2) through steam tableting system, drying the pelletized feed in a refrigerator, gumming with grading sieves, finally inspecting and packaging.

A new protein supplement for insect rearing contains extracts of insect eggs or cultured insect egg embryonic cell lines from insects such as Plodia interpunctella and Ephestia kuehniella Zeller, etc., to increase the fecundity of insects reared for biocontrol.

The invention relates to an artificial tilapia mossambica breeding technology which comprises the following steps: clearing and disinfecting a fishpond; cultivating the water quality by using organic fertilizers; putting high-quality parent fish in a certain male-female proportion; controlling the water temperature in the breeding pond and promoting the female fish to lay eggs; adjusting the water temperature to promote the natural incubation and produce fry; taking out the fry and putting in a pond with better water quality for breeding; and putting plant and animal baits through a mixed breeding manner to promote the growth. According to the artificial tilapia mossambica breeding technology, the output and the benefit of the tilapia mossambica can be effectively improved and the development of the tilapia mossambica breeding industry can be pushed.

The invention relates to a method for reproducing adult ptyas korros. The breeding and management method comprises the following steps of 1, planting lotuses each having 3-4 interior leaves in an artificial pond according to a space of 15*18cm; 2, selecting adult ptyas korros having smooth skin in May-July, and putting the ptyas korros in a breeding house with a proportion of male to female being 1 to 2, wherein the volume of the breeding house is 6 times that of the adult ptyas korros in the breeding house; and fixing the breeding house in the artificial pond, wherein one breeding house is fixed in the artificial pond per square meter; 3, keeping the breeding house at a temperature of 23 DEG C and a humidity of 30 percent; and 4, throwing feed for three times everyday. The method for promoting reproduction of adult ptyas korros can be used for improving the reproduction capability and spawning quality of the ptyas korros.

The invention discloses feed for sturgeon parent fish as well as a preparation method thereof. The feed is prepared from the following components in percentage by mass: 10 to 50 percent of fish meal,5 to 15 percent of chicken meat powder, 3 to 10 percent of egg powder, 1 to 5 percent of beer yeast powder, 5 to 30 percent of wet brine shrimps, 5 to 10 percent of conch meat, 5 to 10 percent of mussel meat, 5 to 10 percent of oysters, 8 to 25 percent of fermented soybean meal, 8 to 20 percent of flour, 1 to 4 percent of fish oil, 0.5 to 1 percent of soya lecithin powder, 1 to 5 percent of kelp powder, 0.2 to 1 percent of vitamin mixture, 1 to 5 percent of casein protein, 3 to 5 percent of antarctic krill, 1 to 4 percent of mineral element mixture, 1 to 5 percent of microbial agents, 1 to 5 percent of EPA, 1 to 5 percent of DHA, 1 to 5 percent of ARA, 1 to 5 percent of carotene, and 1 to 2 percent of feed attractant. According to the feed for the sturgeon parent fish, disclosed by the invention, a gonadal development condition of the sturgeon parent fish can be improved, a brood amount of sturgeon fish gonad is increased, the color of fish eggs is turned from common black into shallowcolor with a higher value amount, and even turned into scarce golden yellow fish eggs through the physiological metabolism so as to obtain excellent-quality sturgeon fish caviar; meanwhile, a survival ratio can be increased, a feed conversion ratio is increased and a specific growth ratio is increased.

The invention discloses a breeding method for parabotia fasciata dabry fry, and relates to the field of fry breeding. The method includes the steps of breeding parent parabotia fasciata dabry in a breeding pool provided with a water quality purification breeding system, breeding parent parabotia fasciata dabry through parent breeding and managing, obtaining female parent parabotia fasciata dabry and male parent parabotia fasciata dabry, obtaining parabotia fasciata dabry fertilized eggs after conducting spawning induction and insemination on the obtained female parent parabotia fasciata dabry and male parent parabotia fasciata dabry, and obtaining parabotia fasciata dabry fry after the obtained parabotia fasciata dabry fertilized eggs are hatched in a hatching tank for 22-26 hours. Parent parabotia fasciata dabry bred through the method is high in gonad maturing rate, neat in maturity and good in seminal fluid quality, parent parabotia fasciata dabry artificially spawned is neat in egg laying time, high in fertilization rate, high in fertilized egg hatching rate and good in bred fry quality.

The invention discloses a parent fish rearing method for gymnocypris potanini. The method comprises the steps that A, standby parent fishes are selected, wherein fishes without surface wounds are selected as the standby parent fishes; B, the parent fishes are put, wherein the parent fishes are put in breeding buckets, and the breeding buckets are disinfected with potassium permanganate; C, temporary rearing is carried out, wherein wild standby parent fishes are put in the buckets and are not fed; D, eating training is carried out, wherein water earthworms and feed special for salmon and bulltrout are mixed to be uniform for eating training; E, breeding is carried out, wherein fishes fished in anestrous seasons are bred; F, the parent fishes are selected, wherein before the anestrous seasons, the developed parent fishes are selected for gonad reinforcement breeding, and feed, water flow and male and female mixed culture are included; G, artificial reproduction is carried out, wherein the parent fishes stops being fed before artificial reproduction is carried out, the parent fishes are fished out, and the female fishes developed well are selected for artificial reproduction. The method is easy to implement and easy and convenient to operate, the parent fishes which are mature, large in brood amount, high in reproduction capacity and high in sperm and egg quality are obtained, and synchronous development of the male parent fishes and the female parent fishes is achieved.

The invention discloses a cultivation induction method for parent misgurnus anguillicaudatus and relates to the field of aquaculture. The method comprises the following steps: treating pond water in a cultivation pond by using a traditional Chinese medicine composition; putting the bred parent misgurnus anguillicaudatus into the cultivation pond, and cultivating the parent misgurnus anguillicaudatus with self-made feeds, wherein animal proteins and plant proteins account for 50 percent respectively, the content of the proteins is 35 percent, and the content of fat is 5 percent; feeding the parent misgurnus anguillicaudatus for two times every day, wherein the feeding amount is 3-5 percent of the body weight of the parent misgurnus anguillicaudatus, water is yellow green and keeps rich and clear, the transparency is 15-20 cm, and the water temperature is 15-25 DEG C; washing for two times every week, changing a quarter of pond water at each time, dissecting regularly to check gonad development, timely adjusting a work plan, and preventing the putrid-skin disease, the edema disease, the trichodiniasis, the chilodonelliasis and the bird damage of misgurnus anguillicaudatus. According to the cultivation induction method for the parent misgurnus anguillicaudatus provided by the invention, by virtue of breeding and strengthened cultivation, the physical health of the parent misgurnus anguillicaudatus is improved, the brood amount is large, and the spawning induction fertilization rate is high. Moreover, the pond water in the cultivation pond is treated by using the traditional Chinese medicine composition, germs and parasites in a water body are killed, the traditional Chinese medicine composition can promote the misgurnus anguillicaudatus to forage, and the aim of cultivation induction is achieved.

The invention relates to an artificial propagation technology of rana chensinensis david. The artificial propagation technology comprises the following steps of selecting 3-4a wood frogs as frog parents, collecting the frog parents into an egg laying pond of an artificial propagation farm to lay eggs, and performing massive propagation by a natural incubation method; according to the actual conditions, determining the culture density of tadpoles in the propagation pond, feeding plant and animal feeds at fixed time and fixed amount, completely transforming in a transformation pool into young frogs, and then performing forest propagation. By adopting the method, the artificial propagation technology has the advantages that a large amount of young frogs with high resistivity and immunity can be propagated, the yield and benefits of wood frogs are greatly improved, and the development of rana chensinensis david propagation industry is promoted.

The invention discloses a breeding method for parent misgurnus anguillicaudatus and relates to the field of aquaculture. The method comprises the following steps: selecting the parent misgurnus anguillicaudatus from a last-year artificial cultivation pond, wherein female misgurnus anguillicaudatus is over 3 years old, male misgurnus anguillicaudatus is over two years old, the body length of the misgurnus anguillicaudatus is 15-20 cm, the average body weight is over 12 g, the quantity ratio of the female misgurnus anguillicaudatus to the male misgurnus anguillicaudatus is 1:(2-3), the area of a parent misgurnus anguillicaudatus cultivation pond is 0.17 hectare, the water depth is 50-60 cm, and the depth of soft sapropel at the bottom of the pond is 15 cm; arranging an anti-escaping net at a water inlet/outlet, wherein water is required to be clear and pollution-free, the released density is 25 misgurnus anguillicaudatus per square meter, and the putting volume is 37.50 kg/hectare; before the parent misgurnus anguillicaudatus is put into the cultivation pond, treating pond water by using a traditional Chinese medicine composition. According to the breeding method for the parent misgurnus anguillicaudatus provided by the invention, by virtue of breeding and strengthened cultivation, the physical health of the parent misgurnus anguillicaudatus is improved, the brood amount is large, and the spawning induction fertilization rate is high. Moreover, the pond water in the cultivation pond is treated by using the traditional Chinese medicine composition, germs and parasites in a water body are killed, the traditional Chinese medicine composition can promote the misgurnus anguillicaudatus to forage, and the aim of cultivation induction is achieved.

The invention relates to a method for large-scale cultivation of Chinese forest frogs, comprising the following contents: selecting 3-4a raw forest frogs as seed frogs, collecting the seed frogs to lay eggs in artificial breeding ground spawning pools, and carrying out a large number of species by natural hatching method Breeding: Determine the stocking density of tadpoles in the breeding pond according to the actual situation, regularly and quantitatively feed vegetable and animal feed, and enter the forest to breed after the metamorphosis pond completely metamorphoses into young frogs. Through this method, a large number of young frogs with high resistance and immunity can be cultivated, the yield and benefit of the forest frog can be effectively improved, and the development of the breeding industry of the forest frog in China can be promoted.