Chongqing "Yurong No.1 Pig matching system" has successfully passed the expert examination and approval.
The "Yurong No.1 Pig matching system" independently cultivated in Chongqing has recently been successfully developed and successfully approved by experts from the National Livestock and Poultry Variety approval Committee of the Ministry of Agriculture.
According to the Chongqing Municipal Science and Technology Commission, the Chongqing Academy of Animal Husbandry Academy of Sciences made use of the excellent characteristics of the local excellent pig breed-Rongchang pig, combined with the advantages of foreign pigs, adopted a three-line matching model, and applied new breeding techniques such as conventional breeding, molecular genetics and information technology. It took 9 years to tackle difficult problems. The matching line of Yurong No. 1 pig with good meat quality, strong adaptability, good reproductive performance, moderate lean percentage and strong market competitiveness was bred.
The daily gain of commercial pigs is 827 grams, the lean meat rate is 62.79%, the intramuscular fat content is 2.59%, and the meat quality is excellent. It can be comparable with the foreign three yuan and British PIC matching pigs on the Chinese market at present.
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Prevention of greedy mouth disease of sheep in spring
Sheep are prone to glutton disease in spring. The reason is that the sheep only after a long winter, lack of nutrition, poor health, suddenly there is young and juicy grass, feel particularly sweet and delicious. However, the grass has just sprouted and turned green in early spring, and the amount of grass is so small that it does not have enough to eat. The sheep would rather be hungry than eat hay and yellow grass. As a result, glutton disease occurred. The disease can make sheep lose fat and lose weight due to long-term hunger, affecting growth and health. Prevention methods: first, avoid green in early spring, try to avoid grazing in the young grass, when the grass grows to about 10 centimeters
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With the deepening of the adjustment of agricultural industrial structure and the internal structure of animal husbandry, the construction of breeding community has been developed rapidly, but because most poultry farmers do not know enough about the breeding environment of chickens, the raising efficiency of chickens is poor. In this paper, several key problems in broiler breeding are described as follows. 1 the harmfulness of poor ventilation due to the fast growth rate, exuberant metabolism and high-density breeding of broilers, with the continuous growth of chickens, more and more fresh air is needed and more and more feces are discharged, resulting in harmful gas.
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