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"Experientia docet" - Experience is the best teacher

Comparison of shear force tenderness, drip and cooking loss, and ultimate muscle pH of the loin muscle among grass-fed steers of four major beef crosses slaughtered in Namibia

  • 2016
  • Issue: 4
  • Volume: 46
P. Strydom, J. Lühl, C. Kahl, & L.C. Hoffman Page: 348 - 359

The authors investigated the effects of breed (Brahman, Bonsmara, Simbrah and Simmental crosses) and post-mortem ageing on meat tenderness, purge, cooking loss and ultimate pH of the longissimus muscle under commercial production and slaughter conditions of the Namibian beef export…

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Effects of Prosopis laevigata pods on growth performance, ruminal fermentation and blood metabolites in finishing lambs

  • 2016
  • Issue: 4
  • Volume: 46
L.Y. Peña-Avelino, J. M. Pinos-Rodríguez, B. I. Juárez-Flores, & L. Yáñez-Estrada Page: 360 - 365

Twenty-one non-castrated male Rambouillet lambs (21±1.44 kg body weight) were used to evaluate the effects of increasing dietary levels of Prosopis laevigata pods (PLP) in a 72 d growth performance trial. Three dietary treatments defined as PLP0 (control, 0 g…

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Effects of various pre-slaughter conditions on pig carcasses and meat quality in a low-input slaughter facility

  • 2016
  • Issue: 4
  • Volume: 46
N. Čobanović, M. Bošković, D.Vasilev, M. Dimitrijević, N. Parunović, J.Djordjević & N. Karabasil Page: 380 - 390

The aim of this study was to determine the effects of gender, slaughter weight, stocking density, lairage time and season on carcass and meat quality parameters in a low-input production system. The study was conducted on 400 slaughter pigs (200…

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Effects of types and doses of yeast on gas production and in vitro digestibility of diets containing maize (Zea mays) and lucerne (Medicago sativa) or oat hay

  • 2016
  • Issue: 4
  • Volume: 46
A.M.A. Elmasry G.D. Mendoza, L.A. Miranda, G. Vázquez, A.Z.M. Salem & P.A. Hernández Page: 391 - 397

Two yeast products formulated with Saccharomyces cerevisiae were evaluated at the same colony-forming units (CFUs) per gram of substrate. Samples of maize, lucerne and oat hays were mixed (0.5 kg) to a proportion of 80% forage (lucerne or oat) with…

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Productivity, chemical composition and ruminal degradability of irrigated Napier grass leaves harvested at three stages of maturity

  • 2016
  • Issue: 4
  • Volume: 46
M.D. Rambau, F. Fushai & J.J. Baloyi Page: 398 - 408

The effect of the stage of maturity on the productivity, chemical composition, and ruminal degradability of Napier grass (Pennisetum purpureum) leaves under irrigation was studied. Samples were collected at three stages of maturity, at intervals of four weeks starting from…

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Mangosteen peel can reduce methane production and rumen biohydrogenation in vitro

  • 2016
  • Issue: 4
  • Volume: 46
P. Shokryazdan, M.A. Rajion, Y.M. Goh, I. Ishak, M.F. Ramlee, M. Faseleh Jahromi & M. Ebrahimi Page: 419 - 431

Mangosteen peel (MP), an agricultural by-product of tropical countries, has been reported to contain condensed tannins and saponins, which can affect rumen microbes to reduce enteric methane emission. In the present study, the effects of mangosteen peel on in vitro…

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Geographical influence of heat stress on milk production of Holstein dairy cattle on pasture in South Africa under current and future climatic conditions

  • 2016
  • Issue: 4
  • Volume: 46
R. Williams, M. M. Scholtz & F. W. C. Neser Page: 441 - 447

Heat stress, as a consequence of global warming, can have a profound effect on dairy cattle in South Africa. In this paper, current milk production data of Holstein dairy herds on pasture in South Africa, together with climate variables related…

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Effect of taurine and bile acid supplementation and their interaction on performance, serum components, ileal viscosity and carcass characteristics of broiler chickens

  • 2016
  • Issue: 4
  • Volume: 46
M.H. Alzawqari, H.H. Al-Baadani, I.B. Alhidary, A.N. Al-Owaimer & A.M. Abudabos Page: 448 - 457

A 3 × 3 factorial experiment (4 pens/treatment, 10 birds/pen) was conducted with 3 levels of supplemental taurine (Tau) (0.0, 0.25 and 0.50%) and 3 levels of dissected bile acid (DBA): 0.0, 0.25 and 0.50% of the diet were arranged…

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