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Open AccessArticle

Serum Concentrations of AMH and E2 and Ovarian and Uterine Traits in Gilts

Sydney School of Veterinary Science, Faculty of Science, The University of Sydney, Camden, NSW 2570, Australia
Australian Pork Limited, Barton, ACT 2600, Australia
Author to whom correspondence should be addressed.
Animals 2019, 9(10), 811;
Received: 27 September 2019 / Accepted: 8 October 2019 / Published: 15 October 2019
(This article belongs to the Special Issue Pig Reproduction)
Poor sow retention is a common issue amongst piggeries that creates excessive wastage. Premature culling is largely attributed to reproductive inadequacy. Thus, it is clear the traditional methods for selecting breeding females are inefficient and early markers of reproductive success are required. The aim of this study was to examine whether circulating levels of anti-Müllerian hormone and oestradiol could be useful indicators of ovarian and uterine traits in young gilts. The findings suggest that at a young age, anti-Müllerian hormone could be used to mark the ovarian reserve. Further research into whether the two hormones could be used to mark uterine capacity is needed.
Poor sow retention due to reproductive failure is a common reproductive inefficiency amongst piggeries. This shows that traditional methods of gilt selection are inadequate and a marker of reproductive success is needed. The aim of this study was to determine whether circulating levels of AMH and E2 at D80 and D160 are associated with uterine and ovarian traits at D160. Uterine weight, horn length and horn diameter were measured, and ovarian follicle counts were determined histologically. There was a negative relationship between both D80 and D160 AMH levels and D160 ovarian follicle populations. There was also a positive relationship between D80 E2 levels and uterine capacity in gilts that were pubertal at D160. The findings indicate that D80 and D160 AMH could be used to predict ovarian reserve and that D80 E2 levels may be indicative of uterine capacity in precocial gilts. View Full-Text
Keywords: gilts; gilt selection; sow retention; AMH; E2; ovarian reserve; uterine capacity gilts; gilt selection; sow retention; AMH; E2; ovarian reserve; uterine capacity
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MDPI and ACS Style

Steel, A.; Athorn, R.Z.; Grupen, C.G. Serum Concentrations of AMH and E2 and Ovarian and Uterine Traits in Gilts. Animals 2019, 9, 811.

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