Technical Measures to Improve Rabbit Breeding Rate
The low breeding rate of rabbits is a common problem among rural fish farmers, which seriously affects the benefit of raising rabbits. According to the author's years of breeding experience, several solutions are proposed for reference by farmers.
First, choose the best breeding time. Sexually mature rabbits in the environment and nutritional conditions, follicles continue to mature, but the mature eggs are not actively discharged during estrus, there is no ovulation estrus, ovulation is not necessarily the phenomenon of estrus, only in the public Rabbits ovulate only 8 to 12 hours after mating stimulation or treatment with sex hormones. Therefore, rabbits must be mated by repeated mating at intervals of 8 to 12 hours in order to effectively increase the fertility rate and the farrowing rate. If the second mating of the repeat breeding is performed, the double mating with a 30 minute interval will be effective. More ideal.
Second, to prevent early and early inbreeding. Rabbits are generally 3 to 4 months of age sexually mature, 7 to 9 months old maturation, the rabbit's initial mating age should be after body maturation. Many farmers in rural areas let rabbits mate freely at 3 to 4 months of age, not only affecting the normal development of rabbits, but also having small offspring individuals, weak constitutions, less lactation in female rabbits, insufficient lactation in pups, and growth. Slow, high incidence, high mortality. At present, in rural areas, rabbits and female rabbits are often selected for breeding in the same litter. Rabbits and their offspring have long-term breeding with 1 or 2 male rabbits. Small individuals, slow growth, low disease resistance, high mortality rates, and generations are inferior to one generation. Therefore, the rural rabbits must adopt the method of exchange of male rabbits among breeders, or purchase male rabbits in rabbit farms.
Third, to strengthen the feeding and management of pregnant female rabbits and lactating female rabbits. The gestation period of the female rabbit is 30 days. On the 1st to 12th day of pregnancy, the pregnant female rabbit should be dominated by green feed, supplemented by concentrated feed; the 13th to 25th days of pregnancy are the embryonic development of the rabbit and should be high The protein, high-fat, and mineral-rich concentrate feeds are supplemented by green and juicy feed, and sufficient water is provided to ensure that the rabbits have sufficient colostrum after birth and prevent the female rabbits from eating thirsty and eating puppies. Nursing mother rabbits should be fed with full-priced feeds, and the amount of feed for concentrates and green feeds should be gradually increased, and sufficient drinking water should be guaranteed.
Fourth, strengthen the feeding and management of puppies and improve the survival rate. Many farmers often neglect this feeding link and rely on their female rabbits to bring them to death. This has caused the death of many vulnerable puppies. When a rabbit is born, it is a long hair period from 1 to 7 days of age. At this time, it is necessary to pay attention to checking the number of pups, checking whether the opening milk is full, and preventing the female rabbit from taking the pups out of the nest box to be frozen or starved to death. To prevent being squeezed to death; 7 to 11 days of age is the sleeping period of the pups, to ensure the safety of the rabbit house, pay attention to check whether the puppies are fed; puppies began to blink about 11 days of age, use wet water The cotton cloth was gently washed to make both eyes open. After 12 days of age, it was the transition period from feeding the baby to eating the plant feed. At this time, the gastrointestinal digestion ability of the young rabbit was still weak, and only a small amount could be fed. Digestible green and fine feeds promote the growth and development of young rabbits. For females that have a lot of litter, they may take care of the nanny or feed the cows or goats' milk with a syringe core to increase the survival rate of the pups. Management of puppies should pay attention to winter cold, anti-thief wind, summer heatstroke, rain, four seasons always pay attention to the prevention of rodent damage, eliminating the female rabbits eating food.
Fifth, do a good job of aphrodisiac mating. In order to improve the feeding and management conditions, eradicate the reproductive system diseases and reduce the stress, the emaciated female rabbits must be induced by aphrodisiac and artificial coercive mating methods.
Specific methods are: 1, information aphrodisiac breeding: that is, using rabbits to tease the female rabbits, you can put the female rabbit into the male rabbit cage, let the male rabbit chase after 10 minutes to climb out to take tease, 8 hours and then into the mating. The male and female rabbits can also be exchanged and caged for a day and night. The male rabbits are then returned to the original cage to mate with the female rabbits, or the male and female rabbits are placed in the same cage for 12 hours to allow free mating. 2, massage stimulation aphrodisiac breeding: with one hand to grasp the female rabbit ears and neck skin Baoding, a hand gently massage or beat the genital area at a fast frequency, when the female rabbit has lifted the hip movement, placed in a male rabbit cage mating , You can also use a little cool oil or 2% iodine, rubbed on the labia minora, wait 30 minutes after the mating into the male rabbit cage, can also be used three hormones (each 0.15ml) and other drugs intramuscularly 6 hours after the breeding. 3, artificial force mating: palm support the female buttocks hip to meet the male rabbit mating.
Sixth, strengthen daily management. To increase the reproduction rate of rabbits, it is necessary to strengthen daily management, such as the rational preparation of diets, ban on feeding of moldy feeds, provision of clean drinking water, keeping the rabbit houses dry and clean, prohibiting frightening, avoiding excessive breeding, strengthening rabbit house disinfection, and paying attention to disease prevention Treatment and other diseases, especially reproductive diseases such as metritis and ovarian cysts, should be promptly treated.
Goji berry for people on the commodity Goji berry, plants Ningxia Goji berry, Chinese Goji berry and other Goji berry species collectively. People often eat medicinal medlar mostly Ningxia medlar fruit "medlar", and Ningxia medlar is the only load "2010 edition of Chinese Pharmacopoeia" varieties.
Ningxia Goji berry cultivated area in China the largest. Ningxia Goji berry are mainly distributed in northwestern China, while in other areas common Chinese Goji berry and its variants.
If "Goji berry" refers to the commodity "Goji berry", the basic is derived from Ningxia Goji berry dry and ripe fruit; if "Goji berry" refers to the wild Goji berry plants other than the northwest region, the basic plant Goji berry or Goji berry .
Ningxia Goji berry shrub, or cultivation of large shrubs due to artificial pruning, 0.8-2 meters high, cultivators stem diameter up to 10-20 cm; branches finely, when wild more and slightly ramp up or bow bow, when cultivated Twig bow song and the crown mostly round, with vertical ribbing, gray or gray, glabrous and slightly shiny, with no short leaves spines and leaves, flowers, long thorns. Leaves alternate or clustered, lanceolate or oblong-lanceolate, apically short acuminate or acute, base cuneate, 2-3 cm long, 4-6 mm wide, up to 12 cm long, 1.5-2 cm wide , Slightly fleshy, veins not obvious.
Main Ingredients: medlar contains betaine, atropine, gyoscyamine.
Lycium barbarum polysaccharide: Lycium barbarum polysaccharide is a water-soluble polysaccharide, is the most important active ingredient of Chinese Goji berry, the relative molecular mass of 68-200, becoming a hot research at home and abroad. Which in order to LBP immune regulation and anti-tumor effect of the most. There are many studies have shown that LBP has the role of promoting immunity, anti-aging, anti-tumor, free radical scavenging, anti-fatigue, anti-radiation, liver protection, reproductive function protection and improvement.
Betaine: The chemical name is 1-carboxy-N, N, N-trimethylaminoethyl lactone. It is chemically similar to amino acids and belongs to quaternary ammonium bases. Betaine is one of the major alkaloids in goji berries, leaves and stalks. Goji berry on lipid metabolism or the role of anti-fatty liver is mainly due to the betaine contained in it in the body as a methyl donor role. Research on Lycium betaine is limited to the domestic determination of the content, the extraction process and the physiological role of Lycium barbarum plant (enhanced salt tolerance) research, the pharmacological effects of Lycium betaine little research.
Lycium pigment: Lycium pigment is present in the Goji berries of various types of color material, is an important physiological active ingredient of Goji berries. Mainly include - carotene, lutein and other colored materials. Lycium contains the carotenoids have a very important medicinal value. Many studies have proved that Goji berry seed pigment has the function of improving human immune function, preventing and inhibiting tumor and preventing atherosclerosis. Carotene is the main active ingredient of lycopene pigment, with antioxidant and vitamin A as a precursor of synthesis and other important physiological functions.
Pharmacological effects: have an impact on immune function.
Taste: Goji berry: sweet, flat. Goji leaves: bitter, sweet; cool.
Function: Goji berry: Liver, Kidney, lungs. Goji leaves: tonic Yijing, heat eyesight.
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