| Relationship between milk somatic cell count and postpartum ovarian cyclicity and fertility in dairy cows. | |
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MedLine Citation:
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PMID: 21727067 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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The main objective of the study was to describe the relationship of high somatic cell count (SCC) with the incidence of abnormal postpartum resumption of ovarian cyclicity and reproductive performance in dairy cows. The factors influencing SCC were also investigated. Four hundred and forty-seven cows from six dairy herds in Japan were monitored for SCC and postpartum resumption of ovarian cyclicity. Cows with high SCC (200,000 to 500,000) had a higher incidence of prolonged luteal phase (P < 0.01) than cows with an SCC of 50,000 to 100,000. The high SCC cows (> 500,000) also showed a higher incidence of delayed first ovulation post partum than cows with an SCC ≤500,000 (P < 0.05) during the first month post partum. Cows with an SCC of 200,000 to 500,000 showed lower conception and pregnancy rates, and more days from calving to conception than cows with an SCC of less than 200,000 (P < 0.05). Cows in parity 5 or more had a higher incidence of high SCC than cows in the first and second parities (P < 0.05). It is concluded that cows with a high SCC have a higher incidence of abnormal postpartum resumption of ovarian cyclicity, leading to reduced reproductive performance. |
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Authors:
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Thinh C Nguyen; Toshihiko Nakao; Gokarna Gautam; Long T Su; Ranasinghe M S B K Ranasinghe; Muhammad Yusuf |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Acta veterinaria Hungarica Volume: 59 ISSN: 0236-6290 ISO Abbreviation: Acta Vet. Hung. Publication Date: 2011 Sep |
Date Detail:
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Created Date: 2011-07-05 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8406376 Medline TA: Acta Vet Hung Country: Hungary |
Other Details:
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Languages: eng Pagination: 349-62 Citation Subset: IM |
Affiliation:
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Yamaguchi University Laboratory of Theriogenology, Department of Veterinary Medicine, Faculty of Agriculture 1677-1 Yoshida Yamaguchi 753-8515 Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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