Feeding and finishing sheep raising and management techniques
Young lambs have two physiological characteristics: First, they grow rapidly before the age of 6 months, after which the growth rate slows down. Second, before the age of 4 months, the rumen development is incomplete, and the decomposition of the rumen microorganisms is relatively weak. Therefore, the ingested concentrate feed is only degraded in the rumen and enters the stomach, and is then absorbed, so that the feed utilization rate Higher, good economic returns.
1, lamb supplementation. Available cereal feed with a suitable amount of soy cake (粕) can also be used in mixed concentrates. For example: 45% corn, 22% wheat bran, 30% soybean meal, 1% salt, 2% fish meal. The lamb's fine feed increases with the age of the month. From the age of 20 days to one month, the feed amount of each lamb is 50 to 70 grams, 100 to 150 grams for 1 to 2 months, 200 grams for 2 to 3 months, and 250 grams for 3 to 4 months. Supplement 2 times. The feed to be fed should be high-quality legumes such as alfalfa. There is also the practice of letting the lambs freely with the ewes for roughage in the trough.
2, to strengthen the feeding of ewes. Ewes must be grazing on high-quality pastures or fed with quality legume forages. At the same time, each ewlet feeds 0.4-0.7 kg of mixed feed each day. The composition of mixed concentrates: corn 60%, wheat bran 8%, cottonseed cake 16%, soybean meal 12%, salt 1%, calcium hydrogen phosphate 3%.
3. Lambs were weaned early. Under current production levels in our country, lambs for the production of fattening lambs can be weaned at 60 days of age, and if the supplemental conditions are good, they can also be weaned after 42 days of age.
4. Select sheep for fattening. To select lambs that are large in size, well-developed, strong in feeding, and free of disease from the flock, form a fattening group after weaning. It is better to choose the male lamb because the male lamb grows faster and does not reach sexual maturity at this time.
5. Ensure stable feed supply. Feeding the lambs after weaning should be consistent with feeding supplements, which will help ease the stress caused by weaning. Feeds for the finishing period should also strive to maintain a consistent composition.
6, to ensure the appropriate level of nutrition. For fat lamb production, dietary protein and energy levels are required to be high, crude protein levels are at or near 20%, and calcium and phosphorus ratios are appropriate.
7. Rationally prepare and process fattening diets. In addition to meeting energy, protein, and cellulose requirements, vitamin and mineral feed additives and antibiotics should also be included.
8, strengthen health management. Always have adequate and clean drinking water supply, good ventilation inside, dry ground, covered with grass, feed is not contaminated, timely cleaning sheds, venues, feed trough, sink, and regular disinfection.
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