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"Experientia docet" - Experience is the best teacher

Simulated natural lighting and constant 14-hour photoperiods for broiler breeders during the rearing period, and interactions of

  • 2005
  • Issue: 1
  • Volume: 35
P.D. Lewis, M. Ciacciariello, M. Nonis and R.M. Gous Page: 1 - 12

Spring-hatched broiler breeders housed in non-lightproof facilities are frequently maintained on long daylengths to prevent precocity, but controlled-feeding and delayed dissipation of photorefractoriness retard sexual maturation. Trials were conducted to determine the appropriate growth for birds maintained on 14-h photoperiods,…

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Proximate chemical composition and fatty acid profiles of Longissimus thoracis from pasture fed LHRH immunocastrated, castrated

  • 2005
  • Issue: 1
  • Volume: 35
M.R. Ruiz, M. Matsushita, J.V. Visentainer, J.A. Hernandez, E.L. de A. Ribeiro, M. Shimokomaki, J.J. Reeves and N.E. de Souza Page: 13 - 18

This study was carried out to evaluate the effect of a luteinizing hormone-releasing hormone (LHRH) fusion protein vaccine vs. surgical castration on the chemical composition and fatty acid profile of beef cattle (Bos indicus) slaughtered at three years of age.…

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Seasonal body condition indices of mountain reedbuck (Redunca fulvorufula) in two areas of South African Highveld: the grassland

  • 2005
  • Issue: 1
  • Volume: 35
W.A. Taylor, J.D. Skinner and R.C. Krecek Page: 19 - 29

Mountain reedbuck (Redunca fulvorufula) occupy marginal habitat that is rarely used by cattle. They are fecund, produce good quality meat and have the potential to be cropped commercially. Body condition indices including dressing % (DP), kidney fat indices (KFI), leg…

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Model comparisons and genetic and environmental parameter estimates of growth and the Kleiber ratio in Horro sheep

  • 2005
  • Issue: 1
  • Volume: 35
S. Abegaz, J.B. van Wyk and J.J. Olivier Page: 30 - 40

Genetic and environmental parameters were estimated for pre- and post-weaning average daily gain (ADG1, ADG2) and Kleiber ratio (KR1, KR2) using the ASREML program. Twelve models, formed with inclusion or exclusion of the maternal genetic, permanent environmental and common (litter)…

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Use of an antibiotic growth promoter and two herbal natural feed additives with and without exogenous enzymes in wheat based bro

  • 2005
  • Issue: 1
  • Volume: 35
S. Sarica, A. Ciftci, E. Demir, K. Kilinc and Y. Yildirim Page: 61 - 72

A study was conducted to compare the effects of an antibiotic growth promoter (flavomycin) and two herbal natural feed additives (garlic and thyme) with and without a xylanase-based enzyme complex in wheat-based diets on growth performance, carcass parameters, total plasma…

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Effect of cyadox on growth and nutrient digestibility in weanling pigs

  • 2005
  • Issue: 2
  • Volume: 35
Y. Wang, Z. Yuan, H. Zhu, M. Ding and S. Fan Page: 117 - 125

The effect of cyadox on growth and apparent digestibility of nutrients in weanling pigs was investigated. Cyadox (2-formylquinoxaline-N1,N4-dioxide cyanocetylhydrazone) is a derivative of quinoxaline-1, 4-dioxide, a growth promoting antimicrobial agent that is used in pig production. Seventy-five crossbred weanling barrows…

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Effect of method of sample preparation on ruminal in situ disappearance of dry matter and nitrogen in annual ryegrass in dairy c

  • 2005
  • Issue: 2
  • Volume: 35
B.J. van der Merwe, T.J. Dugmore, J.B.J. van Ryssen, L.M. Thurtell and S.J. Morning Page: 126 - 134

The objective of this study was to investigate the effect of method of sample preparation on the degradation kinetics of herbage when applying the in situ technique. Ryegrass (Lolium multiflorum cv. Midmar) was harvested at three and four weeks after…

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The effect of feeding rosemary, oregano, saffron and α-tocopheryl acetate on hen performance and oxidative stability of

  • 2005
  • Issue: 3
  • Volume: 35
N. Botsoglou, P. Florou-Paneri, E. Botsoglou, V. Dotas, I. Giannenas, A. Koidis and P. Mitrakos Page: 143 - 151

In this study the effects of feeding rosemary, oregano, saffron and α-tocopheryl acetate on hen performance and egg quality were investigated. One hundred-twenty Lohmann laying hens, 32 weeks old, were divided into five groups replicated four times with six hens…

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Microsatellite markers reveal low genetic differentiation among southern African Camelus dromedarius populations

  • 2005
  • Issue: 3
  • Volume: 35
M. Nolte, A. Kotzé, F.H. van der Bank and J.P. Grobler Page: 152 - 161

We report new demographic and genetic data on southern African camel (Camelus dromedarius) populations. Results from questionnaires on demography indicated that approximately 476 camels were extant in South Africa, Namibia and Botswana in 2003. We have sampled 234 camels for…

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