Effect of dystocia and retained placenta on milk production in puerperal period in dairy cows in Iraq

Y. Mahmmud, M.; N. Mohammad, S.; Y. Kather, N.; Kh. Takilin, A.

	Effect of dystocia and retained placenta on milk production in puerperal period in dairy cows in Iraq
Al-Anbar Journal of Veterinary Sciences
Article 1, Volume 3, Issue 2, 2010, Pages 119-124 PDF (107.61 K)
Authors
M. Y. Mahmmud; S. N. Mohammad; N. Y. Kather; A. Kh. Takilin
Abstract
This study was conducted in a alwahda station of dairy cows and milk production that located south-west of Baghdad city during the period from 2001 until sept. 2002. The study included 223 cows which were divided into three groups according to their milk yield. The first group contains 75 cows with milk production less than (10 Kgs) percow day, In this group 54 cows (72 %) showed normal parturition, while 21 cows (28 %) had dystocia and retained placenta. in the second group123 cows with milk production range (11 –20 Kgs) percow day, 113 cows (92 %) in this group had normal parturition, while 10 cows only (7.9 %) suffered from dystocia and 16 cows (13.2 %) in this group had retained placenta, these results were significantly difference p<0.05. The third group contains 25 cows with milk production more than (20 Kgs) percow day, 24 cows had normal parturition (96 %), while one cow (4 %) suffered from retained placenta and dystocia, with significantly difference p< 0.05 the first and second groups. This study was concluded that dystocia and retained placenta effected of milk yield in dairy cows during puerperium period in Iraq

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