Investigation of effect of year and season factors on calving difficulty, using poisson regression model in Simmental x South Anatolian red crossbred cattle

Gürcan, Ismayil Safa2019-04-182019-04-181300-0861http://hdl.handle.net/20.500.12575/59532https://doi.org/10.1501/Vetfak_0000002605Investigation of effect of year and season factors on calving difficulty, using poisson regression model in Simmental x South Anatolian red crossbred cattle055058