An Observational Analysis of Secondary Sex ratio , Stillbirth and Birth Weight in Iranian Buffaloes ( Bubalus bubalis )

@inproceedings{HosseinZadeh2012AnOA,
  title={An Observational Analysis of Secondary Sex ratio , Stillbirth and Birth Weight in Iranian Buffaloes ( Bubalus bubalis )},
  author={Navid Ghavi Hossein-Zadeh and M. Madad and Abdol Ahad Shadparvar and Davood Kianzad},
  year={2012}
}
Calving records of Iranian buffaloes from April 1991 to June 2010 comprising 1,151 herds with 34,911 calving events were used to evaluate reported secondary sex ratio, stillbirth, and calf birth weight. Logistic regression models were applied to analyze stillbirth and calf sex at birth, and statistical analysis of calf birth weight was performed using a linear mixed model. Overall, the ratio of males to females was 53:47. It was observed that there were no significant effects of herd, calving… CONTINUE READING