自然通风式哺乳猪舍环境及母猪繁殖性能季节性变化规律研究  被引量:2

Research of Seasonal Changes of Environment in Lactating House with Natural Ventilation and Reproductive Performance of Sows

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作  者:龙沈飞 王汐琳 阳林芳 王爽 张校军 曾检华 王美芝[1] 武振龙[1] 陈昭辉 LONG Shenfei;WANG Xilin;ZHANG Xiaojun;YANG Linfang;ZENG Jianhua;WANG Meizhi;CHEN Zhaohui(College of Animal Science and Technology,China Agricultural University,State Key Laboratory of Animal Nutrition,Beijing 100193,China;Guangdong Yihao Food Co.,Ltd.,Guangdong Guangzhou 510620,China)

机构地区:[1]中国农业大学动物科学技术学院,动物营养学国家重点实验室,北京100193 [2]广东壹号地方猪研究院有限公司,广东广州524001 [3]吉林省公主岭市市区动物检疫所,吉林长春136100

出  处:《中国畜牧杂志》2023年第9期320-326,共7页Chinese Journal of Animal Science

基  金:国家自然科学基金青年科学基金-连翘酯苷调控热应激母猪乳脂合成的分子机制研究(32202725);中国农业大学2115人才工程;国家重点研发项目-特色地方猪高效安全养殖技术应用与示范(2018YFD0501200)。

摘  要:为探究华南地区两广小花猪自然通风哺乳猪舍环境及母猪繁殖性能季节性的变化规律,本研究监测了华南地区不同季节1栋哺乳猪舍内外温湿度、二氧化碳浓度及母猪繁殖性能相关指标。结果表明:哺乳猪舍在春季、夏季和秋季平均温度高于27℃、平均相对湿度高于80%;冬季舍内平均温度为24.8℃,平均相对湿度低于80%;冬季舍内二氧化碳浓度最高,日平均值为2 058 mg/m3;夏季断奶窝仔猪数、仔猪断奶窝重和仔猪平均日增重低于其他3个季节(P<0.05),且随着温度和温湿指数的升高而降低(P<0.05)。综上,华南地区采用自然通风舍饲养的两广小花猪哺乳母猪的繁殖性能随舍内温度和温湿度指数的升高而降低。In order to explore the seasonal changes of the environment and the reproductive performance of sows in the naturally ventilated suckling pig house in southern China,this study monitored the temperature,humidity and carbon dioxide concentration inside and outside the suckling pig house for one year,as well as the related indicators of the reproductive performance of sows in different seasons.The results showed that the average temperature in the pigsty was higher than 27℃,and the average relative humidity was higher than 80%in spring,summer and autumn.In winter,the average temperature in the house was 24.8℃,and the average relative humidity was less than 80%.The carbon dioxide concentration in the house was the highest in winter,with a daily average of 2058 mg/m³.The number of weaning piglets,weaning weight and average daily gain of piglets in summer were lower than those in the other three seasons(P<0.05),and were decreased with the increase of temperature and humidity index(P<0.05).In conclusion,the reproductive performance of sows decreased with the increase of temperature and temperature-humidity index in the houses.

关 键 词:自然通风 两广小花猪 繁殖性能 季节 

分 类 号:S828.4[农业科学—畜牧学]

 

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