Urinary disorders in sow herds : diagnosis, consequences, environmental and physiological factors
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چکیده
منابع مشابه
High porcine parvovirus antibodies in sow herds: prevalence and associated factors.
Porcine parvovirus (PPV) is widespread among swine. Our objective was to determine the prevalence of loosely housed sow herds in Finland with at least one animal with high (infection level) PPV antibodies and to gather basic knowledge about vaccination practices. In addition, selected factors associated with high antibody levels found in sows were examined. Altogether, 247 animals were sampled ...
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Anil, S. S., Anil, L. and Deen, J. 2008. Analysis of periparturient risk factors affecting sow longevity in breeding herds. Can. J. Anim. Sci. 88: 381 389. The association of periparturient risk factors with sow longevity and the validity of sow removal decisions made during the periparturient period were analyzed. Data pertaining to 2066 sows from a commercial breeding herd from the US Midwest...
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The objectives of this study were to determine associations between low farrowing rate and various management factors in sow herds. In 30 sow herds, a management survey, breeding observations, semen evaluation, and semen storage temperature monitoring were completed. Herds with an average farrowing rate of < 85% were classified as low farrowing rate herds while those with an average farrowing r...
متن کاملproficiency level and factors fostering reticence in efl learners
according to cheng (1999), in recent esl/efl literature, asian (especially east asian) learners of english as a foreign/second language have been arguably reported as reticent and passive learners. the most common allegations are that these students are reluctant to participate in classroom discourse; they are unwilling to give responses; they do not ask questions; and they are passive and over...
15 صفحه اولEnvironmental factors and allergic disorders.
Despite numerous studies on possible associations between environmental exposure and allergic disorders, any conclusions made remain a matter of controversy. We conducted a review of evidence in relation to environmental and nutritional determinants and wheeze, asthma, atopic dermatitis, and allergic rhinitis. Identified were 263 articles for analysis after consideration of 1093 papers that wer...
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ژورنال
عنوان ژورنال: Annales de Zootechnie
سال: 1983
ISSN: 0003-424X
DOI: 10.1051/animres:19830344