Validation of a poultry biosecurity survey
Nespeca, Rita, Vaillancourt, Jean-Pierre, Morrow, W.E.Morgan
Published in Preventive veterinary medicine (01.07.1997)
Published in Preventive veterinary medicine (01.07.1997)
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Evaluation of non-sampling errors in the US National Swine Survey
Bush, E.J., Cowen, P., Morrow, W.E.Morgan, Dickey, D.A., Zering, K.D.
Published in Preventive veterinary medicine (01.03.1995)
Published in Preventive veterinary medicine (01.03.1995)
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The validation of a hog management survey
Morrow, W.E.Morgan, Vaillancourt, Jean-Pierre, Wickstrom, Steven
Published in Preventive veterinary medicine (01.03.1992)
Published in Preventive veterinary medicine (01.03.1992)
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Empirical similarity of responses of two random samples of North Carolina swine producers to a management questionnaire used in the US National Swine Survey
Bush, E.J., Cowen, P., Morrow, W.E.Morgan, Dickey, D.A., Zering, K.D.
Published in Preventive veterinary medicine (01.02.1995)
Published in Preventive veterinary medicine (01.02.1995)
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