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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 on pedigree information and growth traits of Gudali beef calves were obtained from the Institute of Agricultural Research for Development, Cameroon. Data were edited to have complete information on calf, sire and dam identity, sex, dates and season of birth, herd and weights at birth (BWT), ...

Author(s)
Ndofor-Foleng, H. M.; Ebangi, A. L.; Agu, C. I.; Okenyi, N.
Publisher
Academic Journals, Nairobi, Kenya
Citation
African Journal of Biotechnology, 2012, 11, 78, pp 14410-14416
Abstract

Litter size at d 5 (LS5) has been shown to be an effective trait to increase total number born (TNB) while simultaneously decreasing preweaning mortality. The objective of this study was to determine the optimal litter size day for selection (i.e., other than d 5). Traits included TNB, number born...

Author(s)
Putz, A. M.; Tiezzi, F.; Maltecca, C.; Gray, K. A.; Knauer, M. T.
Publisher
American Society of Animal Science, Savoy, USA
Citation
Journal of Animal Science, 2015, 93, 11, pp 5153-5163
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

This review of literature was conducted to update individual estimates of genetic parameters for preweaning growth traits of cattle and to report the overall means, ranges and marginal means of estimates of the genetic parameters by breed of cattle and statistical model in order to investigate the...

Author(s)
Rios Utrera, Á.
Publisher
Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (INIFAP), Mexico City, Mexico
Citation
Técnica Pecuaria en México, 2008, 46, 1, pp 37-67
Abstract

Correlated effects of selection for components of litter size on growth and backfat thickness were estimated using data from 3 pig lines derived from the same base population of Large White. Two lines were selected for 6 generations on either high ovulation rate at puberty (OR) or high prenatal...

Author(s)
Rosendo, A.; Canario, L.; Druet, T.; Gogué, J.; Bidanel, J. P.
Publisher
American Society of Animal Science, Savoy, USA
Citation
Journal of Animal Science, 2007, 85, 12, pp 3209-3217
AbstractFull Text

Genetic parameters of total number of piglets born (TNB), number of piglets born alive (NBA) and weaned (NW) per litter, of the numbers (NS and ND) and rates (SR and DR) of stillbirths and dead piglets during the suckling period, of weight at birth (WB) and at weaning (WW) and of average daily gain ...

Author(s)
Bouquet, A.; Ligonesche, B.; Canario, L.; Bidanel, J. P.
Publisher
Institut du Porc, Paris, France
Citation
Journées de la Recherche Porcine en France, 2006, 38, pp 125-130
Abstract

The genetic association between individual birth weight and litter birth weight (LBW) was analysed on records of 14 950 crossbred pigs born between 1988 and 1994 at the pig breeding farm of the University of Kiel, Germany. Phenotypically, preweaning mortality of pigs decreased with an increase in...

Author(s)
Roehe, R.
Citation
Journal of Animal Science, 1999, 77, 2, pp 330-343

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