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A review on the involvement of catecholamines in animal behaviour

  • 2019
  • Issue: 1
  • Volume: 49
H.A. O’Neill Page: 1 - 8

Animal temperament and individual animal personalities in combination with an animal’s ability to cope with stressful situations have been studied in the past. There are clear differences between cattle breeds in urinary catecholamine concentration. Individual differences in behaviour exist in…

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Mitochondrial functionality and beef colour: A review of recent research

  • 2019
  • Issue: 1
  • Volume: 49
R. Ramanathan, M.N. Nair, M.C. Hunt & S.P. Suman Page: 9 - 19

The bright-red colour of meat that consumers prefer depends on the depth of oxygen diffusion into the tissue and myoglobin oxygenation. Interestingly, both processes are influenced by mitochondrial activity in postmortem muscle. The transition of muscle metabolism from aerobic to…

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Nutritional characteristics of meat from lambs fed diets containing mulberry hay

  • 2019
  • Issue: 1
  • Volume: 49
L.G.A. Cirne, A.G.S. Sobrinho, E.A. Oliveira, G.G.P. Carvalho, G.M.B. Moreno, R.L. Valença, F.A. Almeida, V. Endo & N.M.B.L. Zeola Page: 20 - 28

The objective of this study was to evaluate the nutritional characteristics of meat from lambs fed diets containing 0%, 12.5% and 25.0% (dry matter (DM)) mulberry hay as a substitute for the concentrate. Twenty-four feedlot Île-de-France lambs with an average…

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Effect of dried distillers grains (DDGS) on diet digestibility, growth performance, and carcass characteristics in Creole wool lambs fed finishing diets

  • 2019
  • Issue: 1
  • Volume: 49
K.R. Curzaynz-Leyva, J.R. Bárcena-Gama, C. Sánchez-del Real, J.C. Escobar-España, M.I. Rivas-Martínez, E.A. Santillán-Gómez, D.F. Portela-Díaz & E.J. Flores-Santiago Page: 56 - 62

Dried corn distillers grains with solubles (DDGS) can partially replace grains and forages in diets for ruminants. The objective of this research was to evaluate the effect of replacing grains and soybean meal with DDGS (0%, 15%, 30% and 45%)…

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Effects of yeast culture on broiler growth performance, nutrient digestibility and caecal microbiota

  • 2019
  • Issue: 1
  • Volume: 49
Y.G. Zhen, W. Zhao, X. Chen, L.J. Li, H.G. Lee, X.F. Zhang & T. Wang Page: 99 - 108

This study was conducted to evaluate the effects of yeast culture (YC) supplementation on the growth performance, apparent nutrient digestibility and caecal microflora of broiler chickens. A total of 360 one-day-old Arbor Acres broiler chickens were randomly assigned to six…

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Effect of late prepartum fibre-based diets on the live weight changes and reproduction of Holstein cows in the subsequent lactation period

  • 2019
  • Issue: 1
  • Volume: 49
B.A. Useni, C.J.C. Muller & C.W. Cruywagen Page: 109 - 118

The objective of this study was to evaluate two late prepartum fibre-based diets that differed in non-structural carbohydrate (NFC) and protein levels on live weight (LW) changes and fertility traits of Holstein cows until 120 days postpartum. At 30 days…

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Characteristics of carcass and non-carcass components of lambs fed diets containing silages of forages adapted to the semi-arid environment

  • 2019
  • Issue: 1
  • Volume: 49
F.S. Campos, G.G.P. Carvalho, E.M. Santos, G.G.L. Araújo, G.C. Gois, R.A. Rebouças, A.L.R. Magalhães, J.S. Oliveira, T.V. Voltolini, B.M.A. Carvalho & A.F. Perazzo Page: 119 - 130

 The aim of this study was to evaluate the effects of diets containing silages of forages that are adapted to the semi-arid environment on the characteristics of the carcass and of non-carcass components of 32 mixed-breed lambs at approximately six…

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Use of apple pomace in animal feed as an antioxidant of meat

  • 2019
  • Issue: 1
  • Volume: 49
A.D. Alarcon-Rojo, V. Lucero, L. Carrillo-Lopez & H. Janacua Page: 131 - 139

The experiment was aimed to evaluate the effects of dietary inclusion of fermented apple pomace (FAP) in lamb diet on physicochemical and lipid oxidation of meat during storage at 4 °C. Twenty-four crossbred sheep were randomly assigned to two experimental…

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Pineapple stem by-product as a feed source for growth performance, ruminal fermentation, carcass and meat quality of Holstein steers

  • 2019
  • Issue: 1
  • Volume: 49
C. Hattakum, J. Kanjanapruthipong, S. Nakthong, J. Wongchawalit, P. Piamya & S. Sawanon Page: 147 - 155

This experiment was conducted to determine the effects of pineapple stem by-product silage as a feed source in total replacement of Napier or corn silages on growth performance, feed intake and feed efficiency, ruminal fermentation, carcass characteristics and meat quality…

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Effect of level of inclusion of clove (Syzygium aromaticum) powder in the diet on growth and histological changes in the intestines and livers of broiler chickens

  • 2019
  • Issue: 1
  • Volume: 49
S.I. Al-Mufarrej, H.H. Al-Baadani & E.H. Fazea Page: 166 - 175

The study was designed to evaluate the effects of different levels of clove (Syzygium aromaticum) powder in the diet on growth performance and histological changes of the livers and intestines of broiler chickens at 21 and 35 days old. Three…

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Increasing the productivity of Morkaraman sheep through crossbreeding with prolific Romanov sheep under semi-intensive production systems (Short communication)

  • 2019
  • Issue: 1
  • Volume: 49
D. Turkyilmaz & N. Esenbuga Page: 185 - 191

The aim of this study was to evaluate the effects of cross-breeding Turkish indigenous Morkaraman (M) ewes with prolific Romanov (R) rams on the reproduction and performance traits, growth traits, slaughter and carcass characteristics of the crossbred offspring under semi-intensive…

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