配种和分娩季节在秋季自然分娩、妊娠天数在113~115d3、4胎次且哺乳天数在25~28d繁殖性能最好 替换成另一句话
The optimal reproductive performance for breeding and parturition is during the autumn season, with natural delivery and a gestation period of 113-115 days. The best results are achieved for 3-4 pregnancies with a lactation period of 25-28 days.
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