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Milk yield and growth performance of baladi and crossbred cows under North of Nile Delta conditions [electronic resource].

By:

Ashmawy, Neama A

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Language: English Summary language: Arabic Description: P.319-331Other title:

انتاج اللبن وكفاءة النمو فى الأبقار البلدية والأبقار الخليط فريزيان بلدى تحت الظروف المناخية فى منطقة شمال الدلتا.‪ [Added title page title]

Uniform titles:

Veterinary medical journal, 2008 v.56 (4) [electronic resource].

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In: Veterinary Medical Journal 2008.v.56(4)Summary: Twenty four healthy lactating Baladi cows (local breed) and Friesian x Baladi cows (lst group) and their calves (2nd group) were studied during summer and winter seasons in North of Nile Delta of Egypt to investigate the effects of summer and winter conditions on the production efficiency. Milk yield (kg) during summer was lowest in the two breeds of cows when compared to values observed during winter. Lactating period was longer in crossbred than Baladi cows. Milk yield/day was higher in Friesian x Baladi than that in Baladi cows during both summer and winter.

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Twenty four healthy lactating Baladi cows (local breed) and Friesian x Baladi cows (lst group) and their calves (2nd group) were studied during summer and winter seasons in North of Nile Delta of Egypt to investigate the effects of summer and winter conditions on the production efficiency. Milk yield (kg) during summer was lowest in the two breeds of cows when compared to values observed during winter. Lactating period was longer in crossbred than Baladi cows. Milk yield/day was higher in Friesian x Baladi than that in Baladi cows during both summer and winter.

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