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How to improve the quality of boar semen? N-Methylglutamic acid (NCG) is a major helper in promoting the synthesis of arginine in the body...

At the beginning of winter, the northeast monsoon becomes stronger. At the beginning of winter, the continental cold high pressure strengthens and the weather gradually becomes colder. Due to the temperature at night…

Frost's Descent is the last solar term in autumn, indicating that winter is coming. The temperature difference between day and night is large, and the resistance of pigs may decrease...