A.B. El-Wishy

Department of Theriogenology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt

[ 1 ] - Fertility of Holstein Cattle in a Subtropical Climate of Egypt

The pregnancy results of 17337 inseminations carried out in a dairy herd near Cairo over a period of 12 years were retrospectively analyzed in relation to environmental temperature and temperature-humidity index (THI). The overall average of pregnancy rates to all inseminations was significantly (P

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