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"Experientia docet" - Experience is the best teacher

Influence of bioregion and environmental factors on the growth, size and reproduction of Bonsmara cows

  • 2017
  • Issue: 4
  • Volume: 47
E.C. Webb, P.C. Visagie, J. van der Westhuizen & H.A. Snyman Page: 542 - 552

A better understanding of the influences of the bioregion (production environment) and environmental factors on the productivity of beef cows is vital in the pursuit of improving beef production. The influence of bioregion and important environmental factors in South Africa…

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Evaluation of fermented whole crop wheat and barley feeding on growth performance, nutrient digestibility, faecal volatile fatty acid emission, blood constituents, and faecal microbiota in growing pigs

  • 2017
  • Issue: 4
  • Volume: 47
C. H. Lee, W. Yun, J. H. Lee, W. G. Kwak, S. Y. Oh, S. J. Park, T. H. Song, T. I. Park & J. H. Cho Page: 565 - 573

This study was conducted to determine the effects of feeding diets with fermented whole crop wheat (FWW) and fermented whole crop barley (FWB) on growth performance, nutrient digestibility, blood constituents, faecal volatile fatty acid (VFA) emission and faecal microbiota in…

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Effects of reducing dietary crude protein and metabolic energy in weaned piglets

  • 2017
  • Issue: 4
  • Volume: 47
J. H. Lee, H. B. Kim, W. Yun, W. G. Kwak, C. H. Lee, H. J. Oh, D. W. Kim, M. H. Song & J. H. Cho Page: 574 - 581

The objective of this experiment was to determine the effects of a pure reduction in the dietary crude protein (CP) and metabolic energy (ME) contents on growth performance, nutrient digestibility, blood profile, faecal microflora and odour gas emission in weaned…

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Influence of β-galacto-oligosaccharide on growth performance and components of intestinal barrier in broilers during heat stress

  • 2017
  • Issue: 5
  • Volume: 47
S. Ashraf, H. Zaneb, S. Masood, S. Yousaf, M. M. Usman, H. F. Rehman, A.Sikandar & H. Rehman Page: 616 - 625

This study aimed to investigate the influence of β-galacto-oligosaccharides (β-GOS) on growth performance, organ development and intestinal microarchitecture of broilers during heat stress. Day-old chicks (n = 125) were divided into five groups. The control or thermoneutral zone group (TNZ)…

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GBP6: differential expression in pulmonary alveolar macrophages under PRRSV infection and association with blood parameters of its missense mutation

  • 2017
  • Issue: 5
  • Volume: 47
A.A. Adeyinka, L. Niu, C. Fang, B. Babatunde & X. Xu Page: 626 - 634

The GBP6 gene belongs to the gene family of interferon-gamma inducible GTPases, and is located in a previously characterized QTL region of porcine reproductive and respiratory syndrome virus (PRRSV) resistance in SSC4. In the current study, RT-PCR assay revealed that…

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Intramuscular variation in mitochondrial functionality of beef semimembranosus

  • 2017
  • Issue: 5
  • Volume: 47
M.N. Nair, R. Ramanathan, G. Rentfrow, & S.P. Suman Page: 635 - 639

Intramuscular color stability variations in beef semimembranosus have been reported previously. Mitochondria remain biochemically active in postmortem muscle and can influence fresh beef color stability. However, the role of mitochondrial functionality in intramuscular color variations in beef semimembranosus is yet…

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Ractopamine-induced changes in sarcoplasmic proteome profile of post-rigor pork semimembranosus muscle

  • 2017
  • Issue: 5
  • Volume: 47
J. Wu, M.N. Nair, S.P. Suman, S. Li, X. Luo, C.M. Beach, B.M. Bohrer & D.D. Boler Page: 640 - 647

Ractopamine is a beta-adrenergic agonist that increases leanness and carcass weight in finishing pigs. Our previous study observed that dietary ractopamine increased the abundance of several glycolytic enzymes in the sarcoplasmic proteome of post-rigor pork longissimus thoracis muscle. Pork semimembranosus…

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Growth performance, haemo-biochemical parameters and meat quality characteristics of male Japanese quails fed a Lippia javanica-based diet

  • 2017
  • Issue: 5
  • Volume: 47
C.M. Mnisi, T.B. Matshogo, R. van Niekerk & V. Mlambo Page: 661 - 671

A total of 105 male Japanese quails (153.2 ± 10.21 g) (Cortunix cortunix japonica) were reared in an environmentally controlled house to investigate the effect of inclusion of Lippia javanica leaf meal on growth performance, haematological and serum biochemical parameters,…

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Effects of mannan-oligosaccharides’ supplementation on hatching characteristics of four close-bred flocks of Japanese quail breeders

  • 2017
  • Issue: 5
  • Volume: 47
M. A. Iqbal, A. Hussain, N. Roohi, M. I. Arshad, O. Khan & Q. A. Ahmad Page: 672 - 678

The present study was conducted to evaluate the effects of mannan-oligosaccharides’ (MOS) supplementation on hatching characteristics of four close-bred flocks (CBFs) of Japanese quail (Coturnix coturnix japonica) breeders. A total of 960 Japanese quail breeders, aged 12 weeks old, were…

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Effects of protease on growth performance and carcass characteristics of growing-finishing pigs

  • 2017
  • Issue: 5
  • Volume: 47
J. Choe, K. S. Kim, H. B. Kim, S. Park, J. Kim, S. Kim, B. Kim, S. H. Cho, J. Y. Cho, I. H. Park, J. H. Choe & M. Songa Page: 697 - 703

A study was conducted to investigate the effects of dietary protease supplementation on growth performance and carcass characteristics of growing-finishing pigs that started with a lower bodyweight than pigs in the control group. A total of 96 growing pigs (initial…

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Effects of feeding corn silage, pelleted, ensiled, or pelleted and ensiled alfalfa on growth and carcass characteristics of lamb

  • 2017
  • Issue: 5
  • Volume: 47
F.L. Fluharty, H.N. Zerby, G.D. Lowe, D. D. Clevenger & A.E. Relling Page: 704 - 711

Two experiments were conducted to evaluate the effects of corn silage (CS) and alfalfa (pelleted (AP), haylage (AH), or combination (APH)) on lamb growth and carcass characteristics. The objective of Experiment 1 (Exp. 1) was to compare AH to CS…

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Genetic parameters for ewe reproduction with objectively measured wool traits in Elsenburg Merino flock

  • 2017
  • Issue: 5
  • Volume: 47
P. A. M. Matebesi-Ranthimo, S. W. P. Cloete, J. B. van Wyk & J. J. Olivier Page: 712 - 722

Reproduction is important for sustainable lamb production in Merino sheep. Data from a Merino flock maintained at Elsenburg Research Farm in the Western Cape, South Africa, were used to investigate the genetic parameters for ewe reproduction traits and their relationship…

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Effects of various inulin levels on in vitro digestibility of corn silage, perennial ryegrass (Lolium perenne L.) and common vetch (Vicia sativa L.)/oat (Avena sativa L.) hay

  • 2017
  • Issue: 5
  • Volume: 47
M. Salman, N. Cetinkaya, Z. Selcuk, B. Genc & M. Acici Page: 723 - 729

The aim of this study was to investigate the effects of various inulin levels on in vitro true dry matter digestibility (IVTDDM) and in vitro neutral detergent fibre digestibility (IVTDNDF) of corn silage (CS), perennial ryegrass (PR), and common vetch/oat…

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