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Permanent link (DOI): https://doi.org/10.7939/R3RN30N0W

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Evaluation of early conception factor lateral flow test to determine nonpregnancy in dairy cattle Open Access

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Author or creator
Ambrose, Divakar J.
Radke, Brian
Pitney, Phyllis A.
Goonewardene, Laksiri A.
Additional contributors
Subject/Keyword
Pregnancy Status
Type of item
Journal Article (Published)
Language
English
Place
Time
Description
Abstract — The early conception factor (ECF) lateral flow test was evaluated for its ability to accurately determine nonpregnant status in dairy cattle. Results of 2 field trials involving 191 cows and 832 tests indicated the probability that a cow can be correctly diagnosed as nonpregnant by using the ECF test is only about 50%. Agreement of test results between milk and serum obtained from the same cow was 57.5%. The ECF test was not consistent in identifying nonpregnancy when the same cows were tested repeatedly over a period of 4 weeks. We conclude that the ECF lateral flow test does not accurately identify nonpregnancy in dairy cattle. Résumé — Évaluation du test du facteur précoce de conception par flux latéral dans la détermination de la non-gestation chez les vaches laitières. Le test du facteur précoce de conception par flux latéral (FPC) a été évalué pour sa capacité à déterminer de façon précise l’état de non-gestation des vaches laitières. Les résultats de 2 essais sur le terrain comprenant 191 vaches et 832 tests ont indiqué que la probabilité qu’un vache soit correctement diagnostiquée non gestante par le test FPC n’est que d’environ 50 %. La concordance des résultats des tests effectués sur le lait et le sérum de la même vache était de 57,5 %. Le test du FPC n’était pas constant dans la reconnaissance de la non-gestation lorsque les mêmes vaches étaient testées à répétition sur une période de 4 semaines. Nous concluons que le test du FPC par flux latéral ne réussit pas à identifier précisément la non-gestation chez les vaches à lait.
Date created
2007
DOI
doi:10.7939/R3RN30N0W
License information
© 2007 The Canadian Veterinary Medical Association. This version of this article is open access and can be downloaded and shared. The original author(s) and source must be cited.
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Citation for previous publication
Ambrose, D. J., Radke, B., Pitney, P. A., & Goonewardene, L. A. (2007). Evaluation of early conception factor lateral flow test to determine nonpregnancy in dairy cattle. Canadian Veterinary Journal, 48(8), 831-835. Retrieved from:  https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1914317/

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