1. Diet preparation: Any kind of grain feed can be used to fatten the lambs, but the best effect is high energy feed such as corn. Studies have shown that the effect of fattening grain feeds is worse than that of whole grains; feeding a single grain feed alone is not as good as compound feed. The recommended feed mix ratio is: whole grain corn 83%, soybean cake 15%, limestone powder 1.4%, salt 0.5%, vitamins and trace elements 0.1%. The amount of vitamins and trace elements added is calculated as vitamin A, vitamin D, and vitamin E for each kilogram of feed, 5000, 1000, and 20 international units; zinc sulfate 150 mg, manganese sulfate 80 mg, magnesium oxide 200 mg, and cobalt sulfate 5 Mg, 1 mg potassium iodate. If there is no soybean cake, 10% of the fish meal can be used instead, and the proportion of corn is adjusted to 88%.
2. Feeding methods: Lambs can freely feed and freely drink water. It is best to use self-made simple automatic feeding trough for feeding, in order to prevent the limbs of lambs from stepping into the trough, and it is better to prevent the feed in the trough from overflowing. If some lambs are found in the wall of a feeding ring, salt troughs should be added to the sports grounds. Salt and salt should be placed in the troughs and limestone should be added to allow the lambs to feed freely. Keep your drinking water clean at all times in your drinking fountain or sink.
3, management technology
First, the lambs should be fed by the barriers 15 days before weaning, or the lambs should be separated from the ewes for a certain period of time sooner or later. The troughs and drinking fountains should be set in the activity area, and the mother and son should be kept together for the rest of the time.
Second, the common infectious diseases in lambs are enterotoxemia and hemorrhagic sepsis. Intestinal venom vaccine can be used to inject ewes into lambs prior to lambing or weaning. In general, it is also possible to inject triple vaccines such as pandemic, ticks, and enterotoxemia before fattening.
Third, the feed supplemented before weaning should be the same as that after weaning. The corn kernels should not be processed into powder, but can be broken slightly at the beginning, and it is advisable to feed the whole material after the habit. During the initial period of eating whole corn, lambs had the phenomenon of spitting out corn kernels, and had fewer rumors. As the age increased, the phenomenon of vomiting of corn grains gradually disappeared and the number of ruminants increased. This is a normal phenomenon and does not affect the fattening effect.
Fourth, the fattening period is generally 50-60 days, during which time the water can not be cut off and broken. The length of the fattening period mainly depends on the final weight of the fattening, and the final weight is related to the type of the cultivar and the initial weight of the fattening. Therefore, timely slaughter weight should be determined according to the specific circumstances.
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