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EFFECT OF STATE OF COW , SERVICE TYPE AND SOME FIXED FACTORS ON GROWTH TRAITS IN HOLSTEIN FRIESIAN COWS | ||
| journal of kerbala university | ||
| Article 1, Volume 6, Issue 3, 2010, Pages 170-174 PDF (0 K) | ||
| Abstract | ||
| This study was conducted at Al-Faihaa Dairy Cattle Station (north of Babil) , 95 records according to 33 Holstein Friesian cows. The aim of this study to evaluate the effect of cow state at the parturition (healthy , infection) , service type (normal , artificial insemination) and some fixed factors (season , parity and sex) in birth weight (BWT) , wining weight (WWT) and gain between birth and wining weight (Gain). The statistical analysis system- SAS program was used to study the effect of difference factors in growth traits. The state of cow significant effect (P>0.001)in BWT , WWT and Gain (increased in healthy cows compare with infection cows in one or more reproductive diseases) . The growth traits in this study increased at the use of artificial insenmi0nation compare with natural service. The BWT , WWT and Gain significant increased (p<0.01) in male compare with female . Significant effect (p<0.01) of parity , season in all growth traits in this study. | ||
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