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《Heilongjiang Animal Science and Veterinary Medicine》 2018-01
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The effect of low temperature on mitochondrial numbers in pig muscle and liver tissues

ZHANG Dongjie;LI Zhongqiu;WANG Liang;WANG Wentao;HE Xinmiao;LIU Di;Institute of Animal Husbandry,Heilongjiang Academy of Agricultural Sciences;  
In order to study the effect of low temperature on mitochondrial energy metabolism,as well as the difference of low temperature tolerance between Min pigs and Large White pigs,6 Min pigs and 6 Large White pigs were divide into groups in this experiment. Control group was fed in heating house with normal temperature( [18±2]℃),while cold treatment group was supplied in non-heating housewith low temperature( [8±2]℃). The whole experimental period was 15 days. The tissues longissimus dorsi,quadriceps femoris and liver were collected at the end offeeding period; mitochondrial numbers were determined by real-time PCR. The results showed that whether Min pigs or Large White pigs,longissimus dorsiwasin advantage during shivering thermogenisisand mitochondrial numbersin liver had no significant difference. It was inferred that during whether shivering thermogenesis or non-shivering thermogenesis,there was no significant difference between Min pigs and Large White pigsunder 8 ℃ environment,and the difference between these two pig breeds could occur at lower environmental temperature.
【Fund】: “十二五”农村领域国家科技计划项目(2015BAD03B02-5);; 国家生猪产业体系岗位科学家项目(CARS-36);; 黑龙江省科研机构创新能力提升专项(YC2016D001)
【CateGory Index】: S828
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