Short-term fattening of mutton sheep is an effective measure to increase the weight, slaughter rate, and economic efficiency of commercial sheep by feeding the commercial sheep three months before the sale and adding high-quality forage grass to fatten the fertilizer.
First, prepare well before fattening
1. Preparation of sheep house: Sheep housekeeping density of each sheep accounts for 0.4-0.5 square meters, in order to help limit sheep movement and increase fattening effect. The location of the sheep house should be selected for ventilation, drainage, lighting, sheltering, and access to grazing land and feed storage.
2. Preparation of fodder and fodder: Forage and fodder are the basis for sheep fattening. Each sheep needs to prepare 2 to 2.5 kg of hay a day or 3 to 5 kg of silage, or 3 to 5 kg of ammonia per day during the entire finishing period. Feeds, etc.; concentrates are prepared at 0.3-0.4 kg per sheep per day.
3. The choice of fattening season: lamb in the winter and spring the market demand is the largest, commodity sheep in the winter slaughter is more appropriate, so the sheep fattening season is best in the fall, and this season the temperature is suitable, rich grass, crop stalks, It is conducive to the rapid growth and sales of mutton sheep.
4. Selection of fattening sheep: In general, sheep used for fattening should use lambs of the current year and young sheep, followed by sheep and old sheep. After finishing the selection of fattening sheep, the following work shall be done: (1) Deworming: Because the sheep's internal and external parasites are common, it will seriously affect the normal growth of goats. (2) Castration: After the castration, the ram has a gentle temperament, good meat quality, and fast weight gain. (3) Timely weighing, making a record: that is, weighing the fattening sheep before and after fattening so as to evaluate the effect of fattening and summing up experience and lessons.
Second, master the principles of feeding and management
1. Grasp the proportion of coarse and fine feed: The appropriate ratio of coarse to coarse can not only provide energy, but also meet the needs of protein, but also can maintain the normal rumen activity and ensure the health of the sheep. Therefore, the concentrate feed accounts for 1/1 of the diet. 3 is appropriate. Seed-like feeds should not be ground too fine to prevent dust from being inhaled into the lungs by sheep and affecting health. In addition, when the concentrate is combined with green hay, it is best to add silage to supplement vitamins, or to add complex vitamins and trace elements.
2. Protein levels: The proportion of protein in sheep's diet should be around 8%.
3. Feeding amount and feeding method: The feed amount of the sheep should be determined according to its feed intake and how much to feed. The feed intake is related to the species, age, sex, physique, feed palatability, and moisture of the sheep. The greater the intake of sheep, the higher the daily gain. The daily intake of hay for the sheep is 2 to 2.5 kg, 3 to 4 kg for fresh green grass, and 0.3 to 0.4 kg for fine material. The feeding method is to feed the concentrate first, then feed hay or coarse material, and finally drink water. Forage is added at any time to keep the sheep's strong appetite and increase its feed intake.
4. Daily management methods: The main purpose is to minimize sheep movements and reduce consumption, so that the nutrients absorbed by the sheep are all used to increase weight. Autumn fattening, at noon can put the sheep out of the sun or near the short grazing.
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