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"Experientia docet" - Experience is the best teacher

Prospects of performing multiple-country comparison of dairy sires for countries not participating in Interbull international ge

  • 2009
  • Issue: 5
  • Volume: 39
A. Loberg, H. Jorjani, W.F. Fikse Page: 86 - 89

International trade with genetic material has lead to the foundation of Interbull, an international organization that performs international evaluations of dairy bulls, enabling countries to obtain breeding values of foreign bulls on their on scale. Not all countries have the…

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Characterization of sheep populations of Kenya using microsatellite markers: Implications for conservation and management of ind

  • 2009
  • Issue: 5
  • Volume: 39
A.W.T. Muigai, A.M. Okeyo, A.K. Kwallah, D. Mburu and O. Hanotte Page: 93 - 96

Indigenous sheep of Kenya are very important to resource-poor farmers and pastoralists.  They have over time adapted to the harsh environmental conditions of the arid and semi-arid lands where they are faced with challenges of persistent droughts, diseases, conflicts and…

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Association of the polymorphism in the 5’ flanking region of the ovine IGF-I gene with growth traits in the Baluchi sheep

  • 2009
  • Issue: 5
  • Volume: 39
Mojtaba Tahmoorespur, Mehdi Vafaye Valeh, Mohammad Reza Nassiry, Alireza Heravi Moussavi and Maziar Ansary Page: 97 - 101

The insulin-like growth factor 1 (IGF-I) gene has been described in several studies as a candidate gene for growth traits in farm animals. The present preliminary study attempts to establish associations between growth traits and genetic polymorphisms at the 5’…

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A systems approach to the South African dairy industry

  • 2009
  • Issue: 5
  • Volume: 39
M.M. Scholtz and S.M. Grobler Page: 116 - 120

Milk production in South Africa comes under pressure periodically as a result of market forces, but can dairy producers effectively respond to these market forces? During these periods a large number of dairy cows are slaughtered and their numbers decrease.…

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A comparative study on growth performance of crossbred and purebred Mecheri sheep raised under dry land farming conditions

  • 2009
  • Issue: 5
  • Volume: 39
A.K. Thiruvenkadan, K. Karunanithi, M.Murugan, K.Arunachalam and R. Narendra Babu Page: 121 - 125

In order to improve mutton production, Dorset x Mandya and Dorset x Nellore halfbred rams were mated with Mecheri ewes to produce Dorset x Mecheri x Mandya and Dorset x Mecheri x Nellore quarterbreds. Least-squares analyses of the body weight…

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Herbage yield in Signalgrass pastures as affected by grazing management

  • 2009
  • Issue: 5
  • Volume: 39
G.J. Braga, J.N. Portela, C.G.S. Pedreira, V.B.O. Leite and E.A. Oliveira Page: 130 - 132

Signalgrass is largely planted as cultivated pasture in Brazil, but no management targets have been identified. The objective of this study was to evaluate daily herbage accumulation rate (HAR) in Signalgrass pastures grazed at two intensity x two frequency treatments…

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Factors influencing energy demand in dairy farming

  • 2009
  • Issue: 5
  • Volume: 39
S. Kraatz, W. Berg and R. Brunsch Page: 137 - 140

The efficiency of energy utilization is one of the key indicators for developing more sustainable agricultural practices. Factors influencing the energy demand in dairy farming are the cumulative energy demand for feed-supply, milk yield as well as the replacement rate…

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The effect of dietary ionophores on feedlot performance of lambs

  • 2009
  • Issue: 5
  • Volume: 39
M.M. Price, O.B. Einkamerer, F.H. de Witt, J.P.C. Greyling and M.D. Fair Page: 141 - 144

This study was conducted to evaluate the effect of different rumen fermentation modifiers (ionophores) in feedlot finisher diets on the production performance of S.A. Mutton Merino lambs. Monensin (16.4 mg/kg), lasalocid (33.0 mg/kg) or salinomycin (17.5 mg/kg) was incorporated into…

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Effect of dietary lipid sources on lipid oxidation of broiler meat

  • 2009
  • Issue: 5
  • Volume: 39
A. Hugo, S.P. Els, F.H. de Witt, H.J. van der Merwe and M.D. Fair Page: 149 - 152

The objective of this study was to investigate the effects of different dietary lipid sources and inclusion levels on lipid oxidation of thigh and breast muscle of male broilers. Eight isoenergetic (15.12 MJ AME/kg DM) and isonitrogenous (222.8 CP/kg DM)…

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