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Genetic improvement for productive traits in livestock, particularly in cattle, has been very slow and insignificant in the country. One of the main reasons for this is lack of well-organized and usable recorded information on the performance of both the indigenous and crossbreds with exotic geno...


Tegegne, AzageRedda, T.Gebre-Wold, A.Ketema, H.[Milk recording and herd registration in Ethiopia: An essential step towards genetic improvement for milk production]Milk recording and herd registration in Ethiopia: An essential step towards genetic improvement for milk production

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.Tegegne, Azage[Use of survival analysis methods with cattle reproductive performance data]Use of survival analysis methods with cattle reproductive performance data

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