Every year from the winter to the Spring Festival, it is the peak season for lamb to be listed. The price of mutton is relatively high. Yangyang households can grasp the favorable timing of winter according to the individual conditions of goats and adopt scientific methods of fattening to control slaughter time to obtain higher economic benefits. .
1. Choose a good variety. Good breeds are the basis for the sheep farmers' good benefits. The goats of Boer goats, horse head goats, Saanen dairy goats and Nanjiang yellow goats can be selected as hybrids with local goats because of the high breeding rate and slaughter rate of the hybrid goats and the rapid growth rate.
2. Timely grouping. For those ewes with poor fertility, the ewes must be castrated in time, and the lambs that are not used for breeding should be castrated in time. The fattening sheep should be kept separately from other sheep and managed in separate groups according to age, individual, and parent and mother.
3. Deworming in time. First, levamisole can be used in combination with avermectin or ivermectin. In the fine weather noon, spray the sheep body with 0.3% solution of veterinary trichlorfon or 12.5% ​​of the double-thyra gland 1:1000-fold solution. The body's internal and external parasites are removed. Secondly, targeted drugs were used to repel certain parasites such as trematodes, cockroaches and cerebral lice. At the same time as deworming, prevention of epidemic diseases such as sheep dysentery, sheep aphthous disease, sheep pleuropneumonia, sheep epidemic disease, and goat pox should be done to avoid affecting the fattening effect.
4. Provide enough hay. Yangyang households must provide enough forage before winter, such as cans, stalks, leaves, alfalfa, etc., which can store soybeans, sweet potatoes, radishes, and root and tuber vegetables, and can also be prepared with silage corn stalks or dried straw. Winter feed. In general, a sheep needs 3 kg of hay a day.
5. Appropriate supplements. Feeding and fattening can achieve the best slaughter effect. While ensuring that fattening sheep eat enough forage every day, they should also feed their appropriate amount of concentrate to ensure their nutritional needs. The proportion of its diet is 60% -70% of roughage and 30% -40% of concentrate feed, any sheep free to eat, free drinking water. The reference formula for concentrate feed was corn 48.9%, soybean meal or cotton cake, 10% cake, 30% wheat bran or rice bran, 10% distillers grains, 0.1% salt, and 1% additives. In general, each sheep feeds 100-150 grams of mixed concentrate on a day, and the concentrate can not be fed too much at a time to prevent the sheep from suffering from gastrointestinal diseases. The daily weight gain of the crossbreds obtained through supplementation can reach 200 grams.
6. Timely slaughter. The growth rate of grown-up sheep after a certain body weight is slowed down. Continued fattening will not only increase the cost but also affect the quality of lamb. The fattening time of adult goats after castration is 30-40 days, and the growth time of growing sheep and lambs can be appropriately extended. Generally, the goats grow and develop fastest within 6 months of age, and have high feed repayment, less investment, and large yield.
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