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Japie van Wyk
Japie van Wyk
在 ufs.ac.za 的电子邮件经过验证
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Case study: The effect of inbreeding on the production and reproduction traits in the Elsenburg Dormer sheep stud
JB Van Wyk, MD Fair, SWP Cloete
Livestock Science 120 (3), 218-224, 2009
1302009
Genetic and phenotypic trends and parameters in reproduction, greasy fleece weight and liveweight in Merino lines divergently selected for multiple rearing ability
SWP Cloete, AR Gilmour, JJ Olivier, JB Van Wyk
Australian Journal of Experimental Agriculture 44 (8), 745-754, 2004
1232004
Characterisation of indigenous African cattle breeds in relation to meat quality traits
PE Strydom, RT Naude, MF Smith, MM Scholtz, JB Van Wyk
Meat Science 55 (1), 79-88, 2000
1142000
Revised models and genetic parameter estimates for production and reproduction traits in the Elsenburg Dormer sheep stud
JB Van Wyk, MD Fair, SWP Cloete
South African Journal of Animal Science 33 (4), 213-222, 2003
1082003
Genetic parameter estimates for body measurements and growth traits in South African Bonsmara cattle
AN Maiwashe, MJ Bradfield, HE Theron, JB Van Wyk
Livestock Production Science 75 (3), 293-300, 2002
1012002
South African sheep breeds: Population genetic structure and conservation implications
P Soma, A Kotze, JP Grobler, JB Van Wyk
Small ruminant research 103 (2-3), 112-119, 2012
692012
Genetic prediction models and heritability estimates for functional longevity in dairy cattle
VE Imbayarwo-Chikosi, K Dzama, TE Halimani, JB Van Wyk, A Maiwashe, ...
South African Journal of Animal Science 45 (2), 105-121, 2015
452015
Relationships between functional herd life and conformation traits in the South African Jersey breed
J Du Toit, A Maiwashe, JB Van Wyk
South African Journal of Animal Science 42 (1), 47-54, 2012
432012
Relationships between production and product traits in subpopulations of Bonsmara and Nguni cattle
PE Strydom, RT Naude, MF Smith, A Kotze, MM Scholtz, JB Van Wyk
South African Journal of Animal Science 31 (3), 181-194, 2001
372001
Genetic (co) variances between wrinkle score and absence of breech strike in mulesed and unmulesed Merino sheep, using a threshold model
AJ Scholtz, SWP Cloete, JB Van Wyk, I Misztal, E Du Toit, ...
Animal Production Science 50 (3), 210-218, 2010
332010
Age trends in economically important traits of Merino ewes subjected to 10 years of divergent selection for multiple rearing ability
SWP Cloete, AR Gilmour, JJ Olivier, JB Van Wyk
South African Journal of Animal Science 33 (1), 43-51, 2003
262003
Genetic parameters and relationships of faecal worm egg count with objectively measured wool traits in the Tygerhoek Merino flock
PAM Matebesi-Ranthimo, JB Van Wyk, SWP Cloete, JJ Olivier
South African Journal of Animal Science 44 (2), 178-188, 2014
242014
Direct heterosis for liveweight and chick mortality in ostriches
A Engelbrecht, SWP Cloete, JB Van Wyk
Australian Journal of Experimental Agriculture 48 (10), 1320-1325, 2008
222008
The ability of Merino ewes and lambs to reunite after separation, as affected by divergent selection for ewe multiple rearing capacity
SWP Cloete, AJ Scholtz, JJE Cloete, JB Van Wyk
Australian Journal of Experimental Agriculture 45 (9), 1131-1137, 2005
222005
Genetic parameter estimation of 16-month live weight and objectively measured wool traits in the Tygerhoek Merino flock
PA Matebesi, SWP Cloete, JB Van Wyk
South African Journal of Animal Science 39 (1), 2009
212009
Influence of divergent selection for reproduction on the occurrence of breech strike in mature Merino ewes
AJ Scholtz, SWP Cloete, JB Van Wyk, ACM Kruger, TCK Van der Linde
Animal Production Science 50 (3), 203-209, 2010
182010
Parameter estimates for production traits of ostrich females within breeding seasons.
MD Fair, JB Wyk, SWP Cloete
162005
Characterization of indigenous African cattle breeds in relation to carcass characteristics
PE Strydom, RT Naude, MF Smith, MM Scholtz, JB Van Wyk
Animal Science 70 (2), 241-252, 2000
162000
Parameter estimates for ostrich slaughter and skin traits.
A Engelbrecht, SWP Cloete, JB Wyk
152005
Characterisation of indigenous African cattle breeds in relation to meat quality traits-possible causes
PE Strydom, RT Naudé, MF Smith, MM Scholtz, JB Van Wyk
Meat science 55, 79-88, 2000
152000
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