Short-term fattening of mutton sheep is an effective measure for commercial lambs to be fed three months before sale, adding high-quality forages for fattening, and increasing individual body weight, slaughter rate, and economic efficiency of commercial sheep.
Preparation before fattening
Sheep house preparation sheep house breeding density for each sheep accounted for 0.4 to 0.5 square meters, in order to help limit the sheep movement, increase fattening effect. The sheep house should be built in a place convenient for ventilation, drainage, lighting, sheltering from the sun and access to pasture and feed warehouses.
Preparation of fodder and fodder Forage and fodder are the basis of sheep fattening. Every sheep in the entire finishing period must prepare 2 to 2.5 kg of hay a day, or 3 to 5 kg of silage, or 3 to 5 kg of ammoniated fodder. Concentrates are prepared at 0.3 to 0.4 kg per sheep per day.
The choice of fattening season The mutton has the largest market demand in winter and spring. Commodity sheep are more suitable for slaughter in winter. Therefore, the fattening season of mutton sheep is best in autumn, and the temperature is appropriate in autumn. The pasture and crop stalks are abundant, which is conducive to mutton sheep. Rapid growth and sales.
The choice of fattening sheep The sheep used for fattening should use the lambs of the current year and young sheep, followed by the sheep and old sheep. After selecting the fattening sheep, the sheep need to be dewormed and castrated.
Feeding management
Mastering the ratio of refined roughage to appropriate refined roughage can not only provide energy, but also meet the needs of fattening sheep for protein, but also maintain the normal activities of the sheep's stomach and ensure the health of the sheep. Therefore, the concentrate feed accounts for 1/1 of the diet. 3 is appropriate. Sub-solid feeds should not be ground too fine so that dust can be inhaled into the lungs by sheep and affect health. In addition, when the concentrate feed is combined with green hay, it is best to add silage to supplement vitamins, and vitamins and trace elements may be added as appropriate. The proportion of protein in sheep's diet should be around 8%.
Concentrate formula one, broken corn 40% ~ 45%, wheat bran 25% ~ 30%, cooked bean cake 15% ~ 20%, rapeseed cake 10% ~ 15%, salt 0.5% ~ 1%, the total adjusted to 100 %. Second, broken corn 74%, wheat bran 10%, cooked bean cake 14%, bone meal 1.5%, salt 0.5%. Third, hawthorn powder 57%, cake 30%, bran 10%, bone meal 2%, salt 1%.
Feeding amount and feeding method Feeding amount is determined according to the feed intake of the sheep, and how much is fed. 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. Sheep eat 2 to 2.5 kilograms of hay, 3 to 4 kilograms of fresh grass, and 0.3 to 0.4 kilogram of concentrate feed. The method of feeding is to feed the concentrate, feed hay or roughage, and finally drink water. Forage is added at any time to keep the sheep's strong appetite and increase its feed intake.
Daily management minimizes sheep movement and reduces 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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