Responses of Ovarian Activity of Dairy Holstein Friesian Heifers after Synchronized Using Heasynch and Select Synch Protocols
Muhammad Yusuf1*, Abd Latief Toleng1, Sahiruddin1, Masturi1, Hasrin1, Musdalifa Mansur2, Hendrikus Fatem3, Johan Koibur4
1Laboratory of Animal Reproduction, Department of Animal Production Faculty of Animal Science Hasanuddin University, Jl. Perintis Kemerdekaan KM. 10 Makassar, Indonesia; 2Animal Husbandry Study Program, Faculty of Science and Technology, Muhammadiyah Sidenreng Rappang University, Sidenreng Rappang, 91651, Indonesia; 3Livestock and Animal Health Services, West Papua Province, Jl. Abraham Atururi, Manokwari 98315, Indonesia; 4Sub-Laboratory of Animal Physiology and Reproduction Faculty of Animal Science Papua University, Kabupaten Manokwari, Papua Barat. 98314, Indonesia.
*Correspondence | Muhammad Yusuf, Laboratory of Animal Reproduction, Department of Animal Production Faculty of Animal Science Hasanuddin University, Jl. Perintis Kemerdekaan KM. 10 Makassar, Indonesia; Email: myusuf@unhas.ac.id
Figure 1:
Protocols for estrus synchronization in dairy Holstein Friesian heifers (a) Heatsynch and (b) Select Synch.
Figure 2:
Ovarian activities of dairy heifers before estrus synchronization.
Figure 3:
Interval from PGF2α injection to onset of estrus in dairy heifers at different estrus synchronization protocols (Heatsynch n=7 and Select Synch n=8).
Figure 4:
Duration of estrus in dairy heifers at different estrus synchronization protocols (Heatsynch n=7 and Select Synch n=8).