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"Experientia docet" - Experience is the best teacher

Genetic diversity of four protected indigenous chicken breeds in China using microsatellite markers

  • 2013
  • Issue: 4
  • Volume: 43
Lin Wei, Bin Chen, Xiao-ying Li, Sheng-gui Liu & Jing-jing Wang Page: 464 - 472

The genetic diversity of four protected indigenous chicken breeds was evaluated with 25 microsatellite markers. Polymorphism information content (PIC), heterozygosity with the estimator of genetic differentiation FST and Nei’s genetic distance were evaluated. The results showed that these four protected…

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Association of polymorphism in Exon 3 of toll-like receptor 4 gene with somatic cell score and milk production traits in Holstein dairy cows of Iran

  • 2013
  • Issue: 4
  • Volume: 43
R. Noori, A.H. Mahdavi, M.A. Edriss, H.R. Rahmani, M. Talebi & M. Soltani-Ghombavani Page: 493 - 498

Mastitis is a complex inflammatory disease of the mammary gland that is caused by the invasion of pathogens. This leads to reduced synthetic capacity, compositional changes and increased somatic cell counts (SCC) in milk. Toll-like receptor 4 (TLR4) is a…

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Assessing the genetic diversity of five Tanzanian chicken ecotypes using molecular tools

  • 2013
  • Issue: 4
  • Volume: 43
C.M. Lyimo, A. Weigend, U. Janßen-Tapken, P.L. Msoffe, H. Simianer & S. Weigend Page: 499 - 510

The study aimed to evaluate the genetic diversity of Tanzanian chicken populations through phylogenetic relationship, and to trace the history of Tanzanian indigenous chickens. Five ecotypes of Tanzanian local chickens (Ching’wekwe, Kuchi, Morogoro-medium, Pemba and Unguja) from eight regions were…

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Intestinal digestibility of enriched-protein fodders measured by mobile bag incubated with or without pepsin-HCl and three-step techniques

  • 2013
  • Issue: 4
  • Volume: 43
P. Paengkoum, S. Traiyakun & S. Paengkoum Page: 511 - 518

Ruminal, intestinal and total tract digestibility of dry matter (DM) and crude protein (CP) of leucaena (Leucaena leucocephala), Madras thorn (Pithecellobium dulce) and moringa (Moringa oleifera) fodders were measured in this study, using nylon bag and mobile bag techniques. Three…

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Estimates of lactation curve parameters for Bonsmara and Nguni cattle using the weigh-suckle-weigh technique

  • 2013
  • Issue: 5
  • Volume: 43
A. Maiwashe, N.B. Nengovhela, K.A. Nephawe, J. Sebei, T. Netshilema, H.D. Mashaba, L. Nesengani & D. Norris Page: 12 - 16

Milk production accounts for about 60% of the variation in weaning weight and is therefore considered an economically important trait in beef production. However, milk production data is not routinely available in beef improvement programmes and therefore weaning weight is…

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The effect of dietary lipid saturation and antioxidant source on the nutrient digestibility of lamb finishing diets

  • 2013
  • Issue: 5
  • Volume: 43
K.E. Booyens, O.B. Einkamerer, H.J. van der Merwe, A. Hugo, S.C. Slippers & M.D. Fair Page: 22 - 26

The influence of a synthetic or natural antioxidant and lipid saturation on the apparent digestibility of nutrients in a standard lamb finishing diet was investigated. The four dietary treatments consisted of the same basal diet, providing 187 g CP-, 355…

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Carcass composition of Namaqua Afrikaner, Dorper and SA Mutton Merino ram lambs reared under extensive conditions

  • 2013
  • Issue: 5
  • Volume: 43
A. Burger, L.C. Hoffman, J.J.E. Cloete, M. Muller & S.W.P. Cloete Page: 27 - 32

This study evaluated the differences in the muscle-fat-bone yield of Namaqua Afrikaner (NA), Dorper (D) and SA Mutton Merino (SAMM) ram lambs. The breeds constituted an indigenous, hardy and late maturing, fat-tailed breed (NA), an early maturing, commercial meat breed…

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Effect of dietary conjugated linoleic acid (CLA) on the metabolism and reproduction of dairy cows

  • 2013
  • Issue: 5
  • Volume: 43
G. Esposito, V.A. Absalón Medina, A. Schneider, R.O. Gilbert & W.R. Butler Page: 33 - 37

Rumen-protected conjugated linoleic acid (CLA) reportedly improves fertility in lactating dairy cows by reducing the postpartum interval to first ovulation and enhancing the circulating insulin-like growth factor-I (IGF-I) levels. The objectives of this study were to evaluate the blood metabolites,…

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Quantifying avoidance-related behaviour and bleeding times of sheep of different ages, sex and breeds slaughtered at a municipal and a commercial abattoirs

  • 2013
  • Issue: 5
  • Volume: 43
Y.Z. Njisane & V. Muchenje Page: 38 - 42

The effect of abattoir type, age, sheep breed and sex on avoidance-related behaviour and bleeding times at slaughter were determined. Castrates and ewes of different age groups and breeds were used. From the commercial abattoir, 90 castrates and 110 ewes…

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The effect of geographical region of birth on the reproductive performance of the Nguni in southern Mozambique

  • 2013
  • Issue: 5
  • Volume: 43
S. Maciel, A.M. Okeyo, J. Amimo, M.M. Scholtz, F.W.C. Neser & M. Martins Page: 60 - 63

The objective of this study was to assess the effect of place of birth on the reproductive performance of two Nguni ecotypes (Nguni and Landim) raised in a sub-tropical environment to enhance strategies for livestock development and restocking programmes within…

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Effect of pre-slaughter conditions on physico-chemical characteristics of mutton from three sheep breeds slaughtered at a smallholder rural abattoir

  • 2013
  • Issue: 5
  • Volume: 43
A.Y. Chulayo & V. Muchenje Page: 64 - 68

The effects of pre-slaughter conditions and breed on physico-chemical characteristics of mutton were determined. The study was conducted at Adelaide Municipal abattoir in the Eastern Cape Province, South Africa. Records were taken from 84 sheep from the South African Mutton…

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