At present, fattening lambs is an effective way to increase lamb production and raise sheep production efficiency. It is also in line with rural practices and traditions. According to the different forms of sheep production organization and technology system, it can be divided into grazing supplement feeding production system, housing feeding production system and whole grazing production system. Here is just a description of the grazing supplement production system: 1. Arrange the best lambing season. The production system that produced the fattening pigs of the year was used to make the slaughter of the fattening lamb just ahead of the New Year's Day or the Spring Festival, which can achieve considerable economic benefits and at the same time be beneficial to the supply of forage grass. In order for the lamb to grow for a longer period of time, the ideal lambing time should be in the early spring of each year, so that the lamb's slaughter weight at the end of the year can reach about 35 kg or even higher. 2, choose the ideal fattening time. Generally, it is necessary to add mixed concentrate at the beginning of mid-to-late October. The premature start of fattening will affect the lamb slaughter and the quality of the skin. 3. Lamb weaning time. Usually weaning at 2 to 4 months of age, individual lambs can be appropriately weaned early, and for weak lambs weaning time is appropriately delayed. 4, do a good job in the group transfer. For the lambs weaned, those who did not castrated were castrated. Lambs are to be dewormed and medicinal baths, individually grouped in accordance with the principle of similar body weight and individual size, individually grazing, and individually supplemented and managed. 5, to ensure adequate grazing time. Daily grazing should be more than 7-9 hours to increase lamb feed intake and promote growth. After each grazing cycle, the lamb should be supplemented with roughage. After winter, the amount of roughage fed should be increased, and better quality roughage should be fed, such as peanut meal and sweet potato meal. 6, supplement feeding mixed feed. Every day, grazing and circling should be supplemented with mixed feeds. There are also two supplements sooner or later. Supplemented feeds should be quantified. With the gradual increase of the feeding age, the two months before the slaughter belong to the centralized fattening stage, which should be used as the focus of supplementary feeding, and the amount of mixed concentrate should be increased.
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