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Estrus Signs and Estrogen Levels in Brahman Cross and First-Generation (F1) Crossbred Cattle: Implications for Pregnancy and Repeat Mating

Estrus Signs and Estrogen Levels in Brahman Cross and First-Generation (F1) Crossbred Cattle: Implications for Pregnancy and Repeat Mating

Devi Ermawati1, Panjono2, Sigit Bintara1, Ali Agus3, Budi Prasetyo Widyobroto2, Bertha Yudistyra4, Rifai Mustofa4, Tety Hartatik1*

1Department of Animal Breeding and Reproduction, Faculty of Animal Science, Universitas Gadjah Mada, Yogyakarta, Indonesia; 2Department of Animal Production, Faculty of Animal Science, Universitas Gadjah Mada, Yogyakarta, Indonesia; 3Department of Nutrition and Feed Science, Faculty of Animal Science, Universitas Gadjah Mada, Yogyakarta, Indonesia; 4Division of Research and Development for Cattle Breeding, PT Widodo Makmur Perkasa, West Java, Indonesia.

 
*Correspondence | Tety Hartatik, Department of Animal Breeding and Reproduction, Faculty of Animal Science, Universitas Gadjah Mada, Yogyakarta, Indonesia; Email: [email protected]

Figure 1:

the sign of estrus during estrus and 30 days post artificial insemination in brahman cross and F1 crossbred cattle.

Advances in Animal and Veterinary Sciences

December

Vol. 12, Iss. 12, pp. 2301-2563

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