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Factors affecting milk production in a herd of Damascus goats under Egyptian conditions [electronic resource].

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El Kascha, S

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Language: English Summary language: Arabic Description: P.385- 398Other title:

العوامل المؤثرة علي إنتاج اللبن في قطيع ماعز دمشقي تحت الظروف المصرية [Added title page title]

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Minufiya journal of agricultural research, 2015 V. 40 (2) [electronic resource].

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In: Minufiya Journal of Agricultural Research 2015.v.40(2)Summary: This study was carried out on a Damascus goats flock raised under Egyptian conditions in El-Rahb and Toukh Tanbesha farm which belonging to Animal Production Department, Faculty of Agriculture, Minufiya University, Shebin El-Kom, Egypt. The study was started from August 2010 to June 2014 to investigate milk production and factors affecting it during suckling period (90 days). The overall mean of total milk yield (TMY90) was 185.55 ±50. 30 kg and ranged from 86.45 to 311. 15 kg. The effect of parity, season and year of kidding on TMY90 was significant (p<O.05) while the effect of type of birth was highly significant (p<0. 01 ). The effect of body weight on TMY90 was non-significant. The overall mean of daily milk yield during suckling period (DMY90) was 2.05 ± 0. 78 kg/day and ranged from 0.97 and 3.42 kg/day. The effect of parity and type of birth on DMY90 was highly significant (p<0.01) while the effect of season of kidding, year of kidding and body weight was significant (p<O. 05). The overall means of milk component traits fat, protein, lactose, TS, and ash were 3. 88 ± 0. 79, 3.13 ± 0.29, 4.26 ± 0.37, 12.04 ± 0.99, and 0.76 ± 0.06%, respectively.

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This study was carried out on a Damascus goats flock raised under Egyptian conditions in El-Rahb and Toukh Tanbesha farm which belonging to Animal Production Department, Faculty of Agriculture, Minufiya University, Shebin El-Kom, Egypt. The study was started from August 2010 to June 2014 to investigate milk production and factors affecting it during suckling period (90 days). The overall mean of total milk yield (TMY90) was 185.55 ±50. 30 kg and ranged from 86.45 to 311. 15 kg. The effect of parity, season and year of kidding on TMY90 was significant (p<O.05) while the effect of type of birth was highly significant (p<0. 01 ). The effect of body weight on TMY90 was non-significant. The overall mean of daily milk yield during suckling period (DMY90) was 2.05 ± 0. 78 kg/day and ranged from 0.97 and 3.42 kg/day. The effect of parity and type of birth on DMY90 was highly significant (p<0.01) while the effect of season of kidding, year of kidding and body weight was significant (p<O. 05). The overall means of milk component traits fat, protein, lactose, TS, and ash were 3. 88 ± 0. 79, 3.13 ± 0.29, 4.26 ± 0.37, 12.04 ± 0.99, and 0.76 ± 0.06%, respectively.

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