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A comparison between plasma oestrone sulphate concentration and doppler ultrasound as methods for pregnancy diagnosis in sows

Atkinson, S., Buddle, J.R., Williamson, P., Hawkins, C.D. and Wilson, R.H. (1986) A comparison between plasma oestrone sulphate concentration and doppler ultrasound as methods for pregnancy diagnosis in sows. Theriogenology, 26 (4). pp. 483-490.

Link to Published Version: http://dx.doi.org/10.1016/0093-691X(86)90040-3
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Abstract

Plasma oestrone sulphate (E1S) concentration and doppler ultrasound as methods of pregnancy diagnosis in sows were compared. Using either method, pregnancy was accurately detected (test sensitivity > 94% for pregnant sows). E1S was a better predictor of nonpregnant animals (test specificity 78 vs 66%, respectively; P < 0.01) and could be used at least 1 wk earlier than doppler ultrasound (24 to 30 d vs 35 d postservice, respectively). E1S concentration was not an accurate predictor of litter size.

Publication Type: Journal Article
Murdoch Affiliation: School of Veterinary Studies
Publisher: Elsevier BV
URI: http://researchrepository.murdoch.edu.au/id/eprint/20563
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