Effect of seasonal changes on fertility parameters of Holstein dairy cows in subtropical climate of Taiwan.
Wen-Bor LiuHuo-Cheng PehChien-Kai WangMancoba Christopher MangweChih-Feng ChenHsin-I ChiangPublished in: Asian-Australasian journal of animal sciences (2017)
To achieve a high CR, lactating cows should be bred in winter and spring (from December to May) from the start of the seasonal breeding program, whereas the heifer should be allowed to breed in summer and fall under the subtropical climate in Taiwan.