Lamb fattening measures
First, fattening method
The fattening methods of lambs vary with time, place, and conditions.
1. Grazing fattening. Grazing and fattening is the cheapest and effective method of fattening lambs, and it is also the basic fattening method adopted by grassland animal husbandry. This kind of fattening method has a long period, and has obvious seasonal characteristics, and should not be used in rural areas.
2. Grazing supplement feeding fattening. At the same time as grazing and fattening, feed the sheep with a certain amount of feed. This method is more suitable for fattening lambs in grazing areas.
3. Feeding and fattening. Feeding fattening is a fat lamb production method with high feeding and management level, and it is a short-term concentrated fattening measure. Its quick results, short cycle, and flexible slaughter can be balanced throughout the year.
Second, the management points
1. Lamb site. There is a certain amount of lamb breeding and activities venues, winter and laps, summer sheds, ventilation, health, and quiet. On the day when the goats are purchased on the farm, they should not be fed with concentrate, but only clean drinking water and a small amount of hay. But also in accordance with the size of the sheep's body and body weight rearing, in order to avoid strong and weak differentiation affect group weight gain effect.
2. The feed is rich in nutrition. In the daytime, concentrates and juicy ingredients should be used, and at night, roughage should be fed. Concentrates and juicy ingredients should be fed less frequently. When the amount of fine feed is more than 0.2 kg, it is necessary to feed in batches. The succulent feed should also be fed separately from other feeds during the day. The feeding sequence of various feeds should be coarse and fine. The diet of the weaning lamb must have a certain percentage of quality hay, which generally accounts for 40% to 60% of the total amount of feed. Diets rely solely on concentrates, neither economic nor in conformity with the physiological functions of the lambs. The alfalfa hay is better, the crude protein content is up to 20%, and it also contains an unknown factor that promotes growth. Its feeding effect is obviously better than other hay. For the fattening diets, the proportion of mixed concentrates of 40% to 45% and coarse and other feeds of 55% to 60% are suitable. If it is required to increase the fattening intensity, the content of mixed concentrate can be increased to 60% (but it should not exceed 60%). At this point we must pay attention to prevent the initiation of enterotoxemia, and the occurrence of urinary calculi due to calcium and phosphorus imbalance.
3. Regular quantitative feeding. The amount of concentrate feeding should be based on the sheep's age, weight, and quality of the roughage, so that it can be fed less frequently. Green hay can be freely eaten as much as possible. In the feeding schedule, do "three first three after one foot." That is: After the grass first feed, after the first drink, first mix (feed) after feeding, drinking water should be sufficient. The feeding mode of the house-feeding diet can be provided by using straw racks and feed troughs respectively. The poor palatability feeds should be fed first, and then the feeds with good palatability should be fed to avoid wastage.
4. Actively prevent and cure diseases. It is advisable for lambs to start feeding 200 grams per serving, which should not be too high to avoid indigestion. If lambs are diarrhea because of high feed intake, they can take digestive drugs for 3 consecutive days. In addition, the feeding of high concentrates during the late period of fattening should not last too long to avoid urolithiasis.
5. Reduce the ruminal acidity. Ensure the quality of feed and ensure that the water, grass, materials, feeding utensils and sheds are clean and hygienic. During the preparation of fattening, gradually increase the amount of concentrate feeding. During the fattening period, try to avoid changing feed. When fattening with high-precision materials, it is best not to feed silage, feed some green hay or carrots to meet the needs of the sheep for vitamins, and reduce the acidity in the rumen.
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