Some factors affecting twinning rate and its effects on postpartum reproductive performance of friesian cows
By: Shamiyah, Sharif Maghawiri; Shata, Abd al-Sattar Abd al-Aziz; Jafar, Hamid Muhammad Abd al-Majid. Egyptian Journal of Animal Production. Vol. 44, no. 2 (Jun. 2007), pp.111-119, 9 p.
Subjects: Animal behaviour; Animals; Twins; Sex