M. A. Tag El-Din

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sixteen lactating buffaloes after 8 weeks of calving in the 2nd to the 5th lactating season, weighing 500 to 600 kg during summer season were used in a complete switch–back design (lucas, 1956) with four groups and three successive experimentation periods. Buffaloes in the first and the second group were fed ration consisting of 60% concentrate feed mixture(More)
A total of 1,243 records for 585 dairy Friesian cows from 1997–2004 were used to study the factors affecting dystocia and its effects on reproductive performance and milk production. The overall incidence of dystocia was 6.9%. The percentage of dystocia decreased with increasing live body weight, age, and parity of cows (P < 0.05); however, it increased(More)
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