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"Experientia docet" - Experience is the best teacher

Genetic parameter estimates for growth traits of Large White pigs in Kenya

  • 2008
  • Issue: 3
  • Volume: 38
E.D. Ilatsia, M.G. Githinji, T.K. Muasya, T.O. Okeno and A.K. Kahi Page: 166 - 173

Variance components and genetic parameter were estimated for piglet growth traits of Large White (LW) pigs managed under intensive production systems in Kenya. Data were on piglet performance of LW pigs born between 1982 to 1996. Growth performance traits of…

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Genetic variation of indigenous chicken breeds in China and a Recessive White breed using AFLP fingerprinting

  • 2008
  • Issue: 3
  • Volume: 38
Yushi Gao, Yunjie Tu, Haibin Tong, Kehua Wang, Xiujun Tang and Kuanwei Chen Page: 193 - 200

Amplified fragment length polymorphism (AFLP) using six marker combinations were applied to detect genetic variation and phylo genetic relationships among 12 indigenous Chinese chicken breeds and a Recessive White chicken breed introduced from France. The DNA was pooled for each…

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Effects of ovariectomy and anabolic steroid implantation on the somatotrophic axis in feedlot heifers

  • 2008
  • Issue: 3
  • Volume: 38
C.R. Bailey, G.C. Duff, S.R. Sanders, S.P. Cuneo, C.P. McMurphy, S.W. Limesand, J.A. Marchello, D.W. Schafer, M.L. Rhoads and D.M. Hallford Page: 207 - 216

A 2 x 2 factorial experimental design was used to evaluate effects of ovariectomy and implantation (200 mg trenbolone acetate and 28 mg estradiol benzoate; Synovex-Plus) on the performance, serum urea nitrogen, serum insulin like growth factor -1 (IGF-1), and…

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Effects of different raising systems on colour and quality characteristics of Turkish Pekin duck meats

  • 2008
  • Issue: 3
  • Volume: 38
E. Lacin, M.I. Aksu, M. Macit, A. Yildiz, M. Karaoglu, N. Esenbuga and M.A. Yoruk Page: 217 - 223

The current trial was conducted to determine the influence of different raising systems on the meat quality properties of male Turkish Pekin ducks. Ninety male ducklings were randomly allocated to three experimental groups: an animal-fish integrated farming group (IG), a…

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Effects of implant programs on performance, carcass characteristics, and lipogenic gene expression in Holstein steers

  • 2008
  • Issue: 3
  • Volume: 38
R.C. Cheatham, G.C. Duff, C.R. Bailey, S.R. Sanders, R.J. Collier, J.A. Marchello and L.H. Baumgard Page: 238 - 246

Nineteen Holstein steers were randomly assigned to one of four treatments; no implant (CON); 36 mg zeranol (Ralgro) on d 0 and 20 mg estradiol benzoate plus 200 mg progesterone (Synovex S) on d 84 and 169 (RSS); Ralgro on…

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Genetic diversity and population structure of locally adapted South African chicken lines: Implications for conservation

  • 2008
  • Issue: 4
  • Volume: 38
E. van Marle-Köster, C.A. Hefer, L.H. Nel and M.A.M. Groenen Page: 271 - 281

In this study microsatellite markers were applied to investigate the genetic diversity and population structure of the six local chicken lines kept in the "Fowls for Africa" program, for better clarification of parameters for breed differentiation and genetic conservation of…

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Estimation of carcass composition and fat depots by means of subcutaneous adipocyte area and body and tail measurements in fat-t

  • 2008
  • Issue: 4
  • Volume: 38
M. Yardimci, E. Hesna Sahin, I.S. Cetingu, I. Bayram, K. Altunbas and E. Sengor Kahi Page: 282 - 289

This study was conducted to establish prediction equations for subcutaneous adipocyte area and body and tail measurements to estimate carcass composition and fat depots of indigenous Akkaraman lambs. As a major carcass tissue, body fat depots play an important role…

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Structural assessment of backcrossing using microsatellite markers (Short communication)

  • 2008
  • Issue: 4
  • Volume: 38
N.O.M. Tshipuliso, L.J. Alexander, A. Kotze, K. Ehlers, V.L. Reisenauer Leesburg and M.D. MacNeil Page: 290 - 292

Backcrossing, coupled with marker or gene assisted selection, can be used to introgress a specific gene or chromosomal region from one population into another. The objective of this study was to assess the genomic structure of cattle produced by backcrossing…

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The performance and meat quality of Bonsmara steers raised in a feedlot, on conventional pastures or on organic pastures

  • 2008
  • Issue: 4
  • Volume: 38
J. Esterhuizen, I.B. Groenewald, P.E. Strydom and A. Hugo Page: 303 - 314

The effects of production system (feeding regime and time on feed) on growth performance, yield and economics and the effects of feeding regime, pre-slaughter treatment and electrical stimulation on meat quality were evaluated. Sixty Bonsmara steers were divided into three…

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Systematic factors that affect ostrich egg incubation traits

  • 2008
  • Issue: 4
  • Volume: 38
Z. Brand, S.W.P. Cloete, C.R. Brown and I.A. Malecki Page: 315 - 325

Data obtained from a pair-mated ostrich flock maintained at Oudtshoorn, South Africa, were used to estimate environmental and genetic parameters for egg weight (EWT), water loss of incubated eggs up to 21 days (WL21), water loss up to 35 days…

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