Clever Use of Additives to Improve Breeding Function of Breeding Breeds
In order to improve the success rate of livestock breeding, the following describes several feed additives that help to enhance reproductive performance of breeders.
1. Pine needles. Pine needles, which are the leaves of pine trees, are rich in nutrients (including 8.96% crude protein, 11.1% crude fat, 27.1% crude fiber, 41.5% nitrogen-free extract, 3.43% ash, and 950-2203mg/kg vitamin A content). Vitamin C, vitamin E, and mineral elements such as copper, zinc, selenium, cobalt, etc.) have the effect of increasing the amount of semen produced by the broiler, thereby enhancing its reproductive performance. According to experiments, the addition of 2.5% pine needle powder to the rabbit diet can increase male libido and mating ability, promote normal estrus and ovulation of female rabbits, increase fertility rate by 6%, and increase litter size by 9.27%. Increased by 28%, birth weight increased by 7.2%; in the boar's diet by adding 4% pine needle powder, can increase the amount of sperm extraction 8% to 10%.
2. Malt. Malt contains more vitamin E, male livestock have improved reproductive function and improve semen quality. Dosage: 150 grams per day for pigs, 40 grams for rabbits and 10 grams for leech. According to the experiment, the germinating 2 to 3 days of wheat is fed into the feed and fed to the female rabbits. They are fed 2 times a day, 20 to 30 grams each time, and they are exposed to heat for 3 days. It is worth noting that malt has a back milk effect and it is not suitable for lactating female rabbits.
3. Carrots. The carrots are cut into small pieces and fed into the female rabbit's feed. Two times a day, 50 to 100 grams each time, the estrus will occur two days later.
4. Eggs. In the mating season, feeding the broiler 5 eggs every 3 days can make the animal libido vigorously, improve semen quality and increase sperm motility, thereby increasing the conception rate. Before the estrus of the mare, 5 eggs, 10 grams of sulfur, Warm water and mix thoroughly, once a day, even for 3 days, will help pregnancy.
5. Trick or treat. Rich in amino acids, minerals, vitamins, and more cephalins, lecithin and hormones, it promotes the formation of sperm. Dosage: 20 pigs, 5 rabbits and 0.5 mink.
6. Freshwater shrimp. Freshwater prawn is warm, sweet, and is a high-calorie feed. It has the effect of strengthening kidneys and strengthening the male function. For boars with low sexual desire, 100 grams per day, cooked and souped, and even served 2 or 3 times, the success rate of breeding can be greatly improved.
7. Silkworm cocoons. It is rich in protein, fat, calcium, phosphorus and 12 kinds of amino acids. It has a role in strengthening sexual desire and improving sperm motility for male livestock and poultry. Dosage: Chickens account for 5% to 10% of the diet, rabbits account for 3% to 5% of the diet, and leech accounts for 10% to 20% of animal feed.
8. Animal brains. The fresh brains of various healthy animals contain a large amount of brain phospholipids and amino acids, which have functions of enhancing male functions, promoting the development of reproductive organs, and promoting sperm production. Dosage: 100 grams of pigs, 25 grams of rabbits, 3 to 5 grams of leeches, cooked and fed.
9. Placenta. The placenta globulin and various hormones, enzymes, and erythropoietin, interferon and other active substances are contained in the fresh placenta of various healthy livestock. They have enhanced libido, promote the secretion of testosterone, increase the amount of ejaculate, increase the sperm density, and reduce the rate of sperm abnormalities. Prevent testicular atrophy and other effects. Dosage: 50 grams of pigs, 10 grams of rabbits, 3 to 5 grams of leeches.
10. Vitamin E. Vitamin E, also known as tocopherol, anti-infertility vitamins, tocopherols, or antisterility factors, can promote sperm production and activity; when animals lack vitamin E, testicular degeneration and atrophy, abnormal sperm movement or even inability to produce sperm. Therefore, it has a good effect on improving the reproductive performance of animals. According to research, adding vitamin E to the diet of male boars can improve sperm production and fertility, which can improve the conception rate; supplementation of vitamin E in ram diets can increase ram ejaculation, semen concentration, and sperm motility. To achieve the effect of improving the conception rate and lambing rate of ewes.
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