Studies the within-and between-breed differences in resistance to natural infection with gastro-intestinal parasites and identifies genetic markers to aid in the selection of animals. Data analysed include PCV (Packed Cell Volume), live weight from birth to 360 days and faecal egg counts.
Reynolds, L.
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Baker, R.L.
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Sherington, J.
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Njubi, D.
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[Resistance to gastro-intestinal parasites in Dorper and Red Maasai-Dorper crossbred sheep]
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Resistance to gastro-intestinal parasites in Dorper and Red Maasai-Dorper crossbred sheep
The adoption of `improved' sorghum (Sorghum bicolor (L.) Moench) genotypes (i.e. drought tolerant, high grain-yielding and bird-resistant) by farmers in Ethiopia is low (Tilahun et al., 1992). Farmers prefer local, non-bird-resistant genotypes because their drought resistance and grain and stover...
Osafo, E.L.K.
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Owen, E.
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Ellis, R.H.
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Said, A.N.
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Gill, M.
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Sherington, J.
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[Stability of yields of sorghum genotypes: Implications for animal production in the tropics]
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Stability of yields of sorghum genotypes: Implications for animal production in the tropics
The paper gives an example of the use of survival analysis to examine time to conception for a breed by nutrition factorial experiment and the relationship between time to conception and body weight. The example is made complicated by confounding between the treatments and the weight of animals a...
Sherington, J.
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Tegegne, Azage
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[Use of survival analysis methods with cattle reproductive performance data]
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Use of survival analysis methods with cattle reproductive performance data