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Precautions For Day Old Fowl Pox Vaccination, P Smetana
Precautions For Day Old Fowl Pox Vaccination, P Smetana
Journal of the Department of Agriculture, Western Australia, Series 4
DURING 1962 day old vaccination was widely adopted as a preventative measure against fowl pox.
From June, 1961, until mid-June, 1962, this procedure proved to be highly successful, but from this date onwards a proportion of treated flocks became affected by breakdowns accompanied by mortality and retarded growth.
In some cases the losses were disturbingly high.