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Experiment one: One hundred and ten Thai indigenous pullets, 21 weeks of age, kept in individual cages under a photoperiod of 14 hour light: 10 hour darkness, were used to study laying performance until 60 weeks of age. Age and body weight were 158 days and 1.49 kg respectively at the onset of la...
A framework for the impact assessment of disease control strategies for Newcastle disease (ND) is discussed. This includes linking epidemiological and economic data to predict the relative impact of different control interventions at different levels from farm to region. Epidemiological transmis...
This thesis presents studies conducted under farm and research station conditions to evaluate the comparative performance of local and exotic genotypes of chicken under different feeding and management regimes. Paper I reports the findings of a study conducted under research station conditions to...
Japanese weather data for areas that produced Campylobacter spp.-positive chicken products were compared with those for areas producing negative samples. Regarding samples produced during the period of rising temperature (spring and summer), the mean weekly air temperatures for Campylobacter-posi...
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