1000 resultados para Kajava, Yrjö Henrik
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Summary: Pike-perch iridovirus
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Summary: Epidemiology of production diseases in Finnish Ayrshire cows : [part] 3 : effects of disease, milk yield and pregnancy status on culling
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Summary: Epidemiology of production diseases in Finnish Ayrshire cows : [part 2] : effect of disease on milk yield