| Titles |
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English :
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Estimation of doe breeding values for litter traits of new zealand white and californian rabbits raised under Egyptian desert conditions using animal model
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Spanish :
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تقييم القيم التربوية لاناث الارنب النيوزيلندى الابيض و الكاليفورنيا لصفات البطن تحت ظروف الصحراء المصرية بأستخدام نموذج الحيوان
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| Abstract |
A total of 382 litters produced from 38 New Zealand White does (NN) and 46 Californian (CC) ones were used in the present study during the period 1998 to 2000, to evaluate genetically doe litter traits, The litter traits studied were litter size at birth (LSB), litter size at weaning (LSW), litter weight at birth (LWB), litter weight at weaning (LWW), mean bunny weight at birth (MBWB), mean bunny weight at weaning (MBWW) and litter gain at weaning (LGW). Estimates of doe variance components for litter traits were moderate. These estimates were higher in NN rabbits than in CC ones for most traits. Repeatability estimates: were moderate and ranged in NN rabbits from 0.26: to 0.40. While,. They ranged from 0.23 to 0.42 in CC ones. The range in estimates of doe breeding values (DBV) were higher in (NN) than those of (CC) rabbits. The range of DBV's in (NN) rabbits vs. (CC) were 3.22 vs. 2.58. bunnies, 2.1 VS. 1.12 bunnies, 128.7 vs. 169.5 g, 58.1.1 VS 454.9 g, 7.65 VS 16.9 g, 11.7 VS 126.0 g and 424.9 VS 293.2 g for LSB, LSW, LWB. LWW, MBWB. MBWW and LGW. respectively.
The percentages of does having positive estimates of DBV ranged from 43.5 to 57.9 for all does in the two breeds used in this study.
Keywords: Doe variance components, repeatability, doe breeding values.
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| Publication year |
2002
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| Pages |
979-990
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| Availability location |
معهد بحوث الانتاج الحيوانى- شارع نادى الصيد- الدقى - الجيزة
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| Availability number |
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| Organization Name |
Animal Production Research Institute (APRI)
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| City |
المنصورة
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| serial title |
Journal Agricultural Science Mansoura University
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| Author(s) from ARC |
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| External authors (outside ARC) |
حسن اسماعيل زكى
مركز بحوث الصحراء
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AGROVOC
TERMS |
Animal models.
Egypt.
Litter size.
Rabbits.
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| Proposed Agrovoc |
Doe variance components;repeatability;doe breeding values;
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| Publication Type |
Journal
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