A comparative study between primipara and multipara dairy cows about dystocia, retained placenta and utrine infections

Noorelden,; Y.K,; Kh.T,; Aeman,; N.M,; Salah,; Mohammad,; Y.M,

	A comparative study between primipara and multipara dairy cows about dystocia, retained placenta and utrine infections
Diyala Journal For Pure Science
Article 1, Volume 6, Issue 2, 2010, Pages 478-490
Authors
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Abstract
This study was conducted in a Alwahda farm of cow milk production around Baghdad in 2001, this farm contains the Holestein and Frisian cows and their hybrids. The study includes 162 primipara cows(first group) and 159 multipara cows(second group). The study had shown that 75 cows (46%) of first groups suffered from dystocia while 58 cows (36%) of second group suffered from the same problem. The 42 cows of first group (26%) were had retained placenta and 33 cows (20%) of second group suffered from the same problem . There is no statistically significant difference in these problems between two groups . The study also shows that 74 cows (45.4) of first group also suffered from uterine diseases in the comparison with 41 cows (30.3%) from second group with statistically significant difference between two groups . The 49% of cows off springs in the first group were males , while male offspring reached to 69.4 % in the second group, there was significant difference in the male and female off springs between two groups .
Keywords
primipara; multipara dairy cows

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