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Animal Science Database

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Abstract

This study was done inside an assignment that intended to break down options and strategies for the progression of a rabbit line by using two pure breeds (V-line (V), and Gabali (G)). Records of 448 packs delivered by 45 does and 16 bucks were utilized to estimate covariance, Heritability (h2),...

Author(s)
Rabie, T. S. K.; Nowier, A. M.; Abou-Zeid, A. E.; Khattab, A. S.
Publisher
Egyptian Poultry Science Association, Alexandria, Egypt
Citation
Egyptian Poultry Science Journal, 2019, 39, 2, pp 519-536
Abstract

Records from 99,384 crossbred pigs from Duroc sires and Large White × Landrace dams were used to estimate genetic parameters for survival traits at different stages of the fattening period, and their relations with final weight. Traits analyzed were preweaning mortality (PWM), culling between...

Author(s)
Dufrasne, M.; Misztal, I.; Tsuruta, S.; Gengler, N.; Gray, K. A.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Livestock Science, 2014, 167, pp 19-24
Abstract

Different approaches for predicting genetic merit of piglet preweaning survival were compared using proportional hazard, threshold (TM), and sequential threshold (STM) models. Data were from 13,924 crossbred piglets (1,347 litters), born from 2000 to 2006, and originated by mating 189 Large White...

Author(s)
Cecchinato, A.; Gonzalez-Recio, O.; Maturana, E. L. de; Gallo, L.; Carnier, P.
Publisher
American Society of Animal Science, Savoy, USA
Citation
Journal of Animal Science, 2010, 88, 6, pp 1990-1998
Abstract

Genetic parameters for birth weight (BWT), preweaning mortality (PWM), and HCW were estimated for a crossbred pig population to determine if BWT could be used as an early predictor for later performances. Sire genetic effects for those traits were estimated to determine if early selection of...

Author(s)
Dufrasne, M.; Misztal, I.; Tsuruta, S.; Holl, J.; Gray, K. A.; Gengler, N.
Publisher
American Society of Animal Science, Savoy, USA
Citation
Journal of Animal Science, 2013, 91, 12, pp 5565-5571
Abstract

A 4-year crossing scheme involving Spanish V-line (V) and Egyptian Baladi Red (B) rabbits was practiced to produce five genetic groups of V, B, 1/2B1/2V, (1/2B1/2V)2 and ((1/2B1/2V)2)2. A new line with a genetic structure of ((1/2B1/2V)2)2 was synthesized and named APRI. A total of 2834 litters...

Author(s)
Youssef, Y. M. K.; Baselga, M.; Khalil, M. H.; Gad-Alla, S.; Garcia, M. L.
Publisher
CIPAV Foundation, Cali, Colombia
Citation
Livestock Research for Rural Development, 2008, 20, 9, pp 135
Abstract

Objective - To determine incidence, risk factors, and heritability estimates of hind limb lameness caused by hip dysplasia in a birth cohort of Boxers. Animals - 1,733 Boxers from 325 litters. Procedure - Status of Boxers with respect to clinical signs of canine hip dysplasia (cCHD) was registered...

Author(s)
Hagen, M. A. E. van; Ducro, B. J.; Broek, J. van den; Knol, B. W.
Publisher
American Veterinary Medical Association, Schaumburg, USA
Citation
American Journal of Veterinary Research, 2005, 66, 2, pp 307-312
Abstract

Body weight at weaning of 1002 Ayrshire × Boran crossbred calves averaged 138 kg. The weaning weight of calves born in Aug.-Oct. and Nov.-Feb. was 20.2 and 1.0 kg respectively higher than average, and that of calves born in Mar.-May and June-July was 19.9 and 2.5 kg below the average weight. The...

Author(s)
Hagger, C.; Scheiwiller, N.; Streiff, T.
Citation
Agrarforschung, 1994, 1, 11/12, pp 477-479
Abstract

Data on 379 Black Bengal, 568 Jamnapari × Black Bengal and 296 Beetal × Black Bengal kids born in 1981-86 were analysed to study the influence of genetic group, sex, season of birth, type of birth, birth weight, dam's weight at kidding, filial generation and parity of dam (as covariate) on...

Author(s)
Singh, D. K.; Mishra, H. R.; Singh, C. S. P.
Citation
Animal Production, 1990, 51, 3, pp 559-564
Abstract

Data on 922 calves born over a 10-yr period were analysed by a least-squares method. Dams were Hereford and Aberdeen-Angus cows whose 1st calving was at 2 yr of age. Male calves were castrated at about 3 months. Weaning weight was determined at about 7 months, and adjusted to 205 days. Birth...

Author(s)
Reimer, D.; Kaluba, E. M.; Nolan, J. C., Jr.; Campbell, C. M.
Citation
Research Extension Series, Hawaii Agricultural Extension Station, 1985, No. 58, pp 12 pp.
Abstract

Data on 867 purebred and crossbred Duroc, Landrace and Large White (LW) litters were analysed. Birth weight averaged 1.42±0.02 kg, litter weight at weaning (at 27.94±0.63 days of age) 34.27±1.28 kg and piglet weaning weight 4.59±0.06 kg. Breed of dam had a significant effect on all the above traits ...

Author(s)
Peña de Borsotti, N.; Verde S., O.
Citation
Memorias, Asociación Latinoamericana de Producción Animal, 1983, 18, pp 154

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