Targeted Metabolomics Analysis of the Steroid Metabolome in Different Stages of Follicular Development in Holstein Cows Using LC-MS/MS Technology
1.Key Laboratory of Cattle Disease Prevention and Control in Northeast Cold Region of Ministry of Agriculture and Rural Affairs,College of Animal Science and Veterinary Medicine,Heilongjiang Bayi Agricultural University,Daqing 163319,China
2.Branch of Animal Husbandry and Veterinary,Heilongjiang Academy of Agricultural Sciences,Qiqihar 161005,China
3.Heilongjiang Mudanjiang Agricultural Reclamation Jiangjun Dairy Cattle Breeding Professional Cooperative,Jixi 158307,China
4.Ministry of Agricultural Development,Beidahuang Group Heilongjiang 8510 Farm Co. ,Ltd,Jixi 158100,China
5.College of Veterinary Medicine,China Agricultural University,Beijing 100193,China
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