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减少母猪非生产天数的方法研究

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摘要 为减少规模种猪场母猪非生产天数(Non productive sow days,NPD),提高养殖效益,本研究从子宫炎的防治、仔猪断奶、母猪配种、改善饲养管理等方面于2010年对四川某种猪场4栋猪舍600头基础母猪进行了优化管理,与2009年进行比较,发现子宫炎淘汰母猪、返情母猪、流产母猪和无效母猪产生的平均占用NPD分别降低了7.06,2.1,2.04和1天。与2009年的全进全出断奶方式相比,2010年采用分批断奶,母猪哺乳期减少了5天,产生的全群NPD降低了11.3天。可见,改善断奶方式和加强子宫炎的防治是该场减少母猪NPD最有效的方法。
作者 邱荣斌
出处 《中国猪业》 2011年第11期34-35,共2页 China Swine Industry
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