The estrus performance on cross-bred cows in Nanggulan subsdistric, Kulonprogo distric

Main Authors: Gustari, Sri, Prihatno, Surya Agus, Budiyanto, Agung, Kusumawati, Asmarani, Nugraha, Erif Maha, Putro, Prabowo Purwono
Format: Proceeding PeerReviewed application/pdf
Bahasa: eng
Terbitan: , 2012
Subjects:
Online Access: https://repository.ugm.ac.id/278244/1/FULL%20DOKUMEN%20-%20The%20estrus%20performance%20on%20cross-bred.pdf
https://repository.ugm.ac.id/278244/
Daftar Isi:
  • The present research aims to study estrus performance in cross-bred cows which are cows as result of a cross between Ongole (PO) and Simmental (SIMPO) and Ongole and Limousine (LIMPO). The research used 30 beef cows that contain of 10 PO cows, 10 SIMPO cows, and 10 LIMPO cows. This research used a survey method by direct observation on the cows and an interview to the farmers. The Data collected includes the cows breed, the age of puberty, estrus duration, service per conception, as well as other data supporters such as reproductive management, feeding and drinking. The cow observation conducted during three cycles of estrous. The result indicates the age of puberty of LIMPO and SIMPO tend to be faster than PO. The observations made during the estrous cycles showed that estrus duration (1", 2nd, 3rd) was longer on LIMPO and SIMPO than PO (18, 33,30 hours; 35, 24, 16 hours; and 16.8, 20, 18 hoursrespectively).Service per conception in PO, LIMPO, and SIMPO were 1.8± 1.2; 1.5 0.5; and 2.2± 0.9 respectively. SIMPO need more services to produce pregnancy when compare to LIMPO and PO. Key words: estrus, cross-bredcows