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Impact of milk yield on economics of Holstein herds under Egyptian conditions [electronic resource].

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Ahmed, A. M

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Language: English Summary language: Arabic Description: p.1-7Other title:

تأثير ناتج اللبن على اقتصاديات قطعان الهولستين تحت الظروف المصرية [Added title page title]

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Egyptian journal of animal production, 2002 v. 39 (1) [electronic resource].

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In: Egyptian journal of animal production 2002.v.39(1)Summary: The aim of this study was to compare empirically between the profitability of two Holstein herds in relation to their productive and reproductive performance under intensive production system in Egypt. Data of productive and reproductive traits of 1867 lactation records obtained from 850 Holstein cows of different parities belonging to the international Company for Animal Wealth. Giza. were analyzed. According to the level of milk yield, two herds were synthesized. The first (H1) was supposed to produce milk equal to the average lactation yield (X = 8535 Kg), while the second (H2) was proposed to produce high milk yield equal the average plus (at least) one standard deviation (SD = 2721 Kg).

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The aim of this study was to compare empirically between the profitability of two Holstein herds in relation to their productive and reproductive performance under intensive production system in Egypt. Data of productive and reproductive traits of 1867 lactation records obtained from 850 Holstein cows of different parities belonging to the international Company for Animal Wealth. Giza. were analyzed. According to the level of milk yield, two herds were synthesized. The first (H1) was supposed to produce milk equal to the average lactation yield (X = 8535 Kg), while the second (H2) was proposed to produce high milk yield equal the average plus (at least) one standard deviation (SD = 2721 Kg).

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