Large-scale breeding of sheep

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Sheep rearing methods of sheep breeding There are three types of rearing methods for sheep: grazing, house-feeding and semi-grazing. Sheep are herbivores, no matter what kind of feeding methods should be based on green feed. The choice of breeding methods for raising sheep depends on the local pasture resources, pasture planting, the number of crop straws, sheep house area, and sheep and goat breed types in different production directions. To make full use of natural pastures for grazing and the use of straw and other roughage supplements, under the premise of guaranteeing the normal growth and development of the sheep and giving full play to the potential of production performance, try to reduce the cost of raising and improve economic efficiency.
(I) Grazing Feeding methods In addition to snowstorms and high rainfall, sheep are grazing on pastures throughout the year. Pastoral areas in the north of China, pastoral areas of the Qinghai-Tibet Plateau, pastoral areas of the Yunnan-Guizhou Plateau, and semi-agricultural and semi-pastoral areas have vast areas of natural grasslands, forests, undergrowths, and shrubs. They can be used to grazing sheep and goats. Fine wool sheep, semi-fine wool sheep, fur sheep, and meat sheep should adopt a relatively flat terrain and grazing should be conducted in low-grass pastures. Goats and velvet goats should be selected for grazing on grass hill slopes with less shrubs, high desertification, and less slopes. Meat goats have short coats and quick movements. They like to eat delicate leaves and branches and are suitable for grazing in the mountain scrubland. The grazing and rearing investment is small and the feeding cost is low. If we can use grassland to organize good grazing management, we can achieve good production efficiency. If the grassland area is small and the quality is poor, relying solely on grazing sheep can not obtain enough nutrients, it should be supplemented, otherwise it will affect the sheep's normal growth and reproduction, and reduce production performance.
(II) House-feeding mode The house-fed rearing is carried out by keeping the flock in the sheep house. In the lack of grazing pastures and suburbs of cities and towns, or in the fattening period and high-yielding dairy goats for meat sheep, complete feeding can be adopted. The way. Feeding and feeding should have plenty of forage sources, more spacious sheep houses and feeding troughs and straw stands for feeding fodder, and open up a certain area of ​​sports grounds for sheep to exercise. Feeding sheep reduces the energy consumption of grazing and walking, favoring the fattening of mutton sheep and the formation of more milk by the sheep. To do a good job in housing and feeding, a large amount of green feed, hay and straw must be collected and stocked to ensure a balanced supply of forage grass throughout the year. High-yielding sheep need more nutrients, and they must also feed supplemental concentrates on the basis of feeding green feed and hay. Feeding and feeding methods have large manpower and material costs, so the cost of feeding is higher. It is necessary to introduce high-yielding and improved varieties to increase the productivity and slaughter rate of herds in order to obtain higher economic benefits.
(c) Half-grazing Half-house feeding This is a combination of grazing and house feeding. According to the quantity and quality of pasture production in different seasons and the physiological condition of the sheep itself, determine the length of daily grazing time and the number and quantity of feeding in the sheep house. In summer and autumn, all kinds of grass shrubs grow well. They can fully feed through grazing and meet the needs of nutrition. They can not feed or eat less. The winter and spring forages are withered, and the amount of quality is poor. The simple grazing cannot obtain sufficient nutrition, and more feeding must be done in the sheep house. Meat goats and dairy goats need to be fed on a grazing basis in order to accelerate fattening and increase milk production. This feeding method combines the advantages of grazing and house feeding and is suitable for feeding various cotton goats of various production directions and breed types.

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