Epidemiological Studies of Piglet Diarrhoea in Intensively Managed Danish Sow Herds
نویسندگان
چکیده
منابع مشابه
Risk factors and epidemiological characteristics of new neonatal porcine diarrhoea syndrome in four Danish herds
BACKGROUND The epidemiology of New Neonatal Porcine Diarrhoea Syndrome (NNPDS) was studied in four selected herds. A total of 941 new born piglets in 86 litters were evaluated for five consecutive days. NNPDS is a newly emerged syndrome, characterized by diarrhoea within the first week of life, which is un-responsive to antibiotics and not associated with known pathogens. The aetiology behind t...
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The individual differences between sows in ability to become pregnant were investigated. Data from a sample of 10 Danish sow herds with a total of 5786 sows was analyzed. The purpose was to estimate variance between sows in ability to become pregnant. The results indicated a low variability between sows in this ability. 7 % of the total variance could be accounted for as the difference between ...
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BACKGROUND Sows' ability to produce an excessive amount of piglets has shaped modern piglet production and there has been a steady increase in litter size during the last decades. This development has caused some negative side-effects, such as an increase in the proportion of stillborn piglets, a decrease in the proportion of weaned piglets and a larger variation in quality of piglets. Swedish ...
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BACKGROUND Diarrhoea remains a leading cause of morbidity and mortality but is difficult to measure in epidemiological studies. Challenges include the diagnosis based on self-reported symptoms, the logistical burden of intensive surveillance and the variability of diarrhoea in space, time and person. METHODS We review current practices in sampling procedures to measure diarrhoea, and provide ...
متن کاملEuthanasia in Danish Dairy Herds
Peter T. Thomsen1,2, Tine Rousing1, Jan Tind Sørensen1 & Anne Mette Kjeldsen3 Danish Institute of Agricultural Sciences, Department of Animal Health and Welfare, Research Centre Foulum, P.O. Box 50, DK-8830 Tjele, Denmark, The Royal Veterinary and Agricultural University, Department of Animal Science, Grønnegårdsvej 8, DK-1870 Frederiksberg C, Denmark, Danish Cattle Federation, Udkærsvej 15, Sk...
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ژورنال
عنوان ژورنال: Acta Veterinaria Scandinavica
سال: 1989
ISSN: 1751-0147
DOI: 10.1186/bf03548069