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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

1

Adv. Anim. Vet. Sci., Vol. 13, Iss. 1, pp. 1-216

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