Clinical approach to unwanted mating and pregnancy termination

Alain Fontbonne

doi:10.22233/9781905319541.12

British Small Animal Veterinary Association , 106 (2010); https://doi.org/10.22233/9781905319541.12

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Clinical approach to unwanted mating and pregnancy termination

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Author: Alain Fontbonne
From: BSAVA Manual of Canine and Feline Reproduction and Neonatology
Item: Chapter 12, pp 106 - 114
DOI: 10.22233/9781905319541.12
Copyright: © 2010 British Small Animal Veterinary Association
Publication Date: January 2010

Abstract

A wide range of drugs and protocols have been used for pregnancy termination in the bitch or the queen. From the point of view of the practitioner the ideal treatment must be safe, with good efficacy, an easy-to-follow protocol and applicable as soon as the unwanted mating has occurred. This chapter considers treatment; practical approach to pregnancy termination in the bitch; practical approach to termination of pregnancy in the queen.

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Figures

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12.2

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12.2 Clinical approach to a bitch presented soon after a suspected unwanted mating.

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12.3

Spermatozoa can often be visualized on a vaginal smear within 24 hours of mating. The arrows show an entire spermatozoon and a detached head. (Harris–Schorr stain; original magnification X400) (© A. Fontbonne) © 2010 British Small Animal Veterinary Association

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12.3 Spermatozoa can often be visualized on a vaginal smear within 24 hours of mating. The arrows show an entire spermatozoon and a detached head. (Harris–Schorr stain; original magnification X400) (© A. Fontbonne)

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12.4

Vaginal smear obtained during oestrus. A high percentage of cornified superficial cells are present. Anti-progestogens should not be used until the early stages of dioestrus. (Harris–Schorr stain; original magnification X100) (© A. Fontbonne) © 2010 British Small Animal Veterinary Association

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12.4 Vaginal smear obtained during oestrus. A high percentage of cornified superficial cells are present. Anti-progestogens should not be used until the early stages of dioestrus. (Harris–Schorr stain; original magnification X100) (© A. Fontbonne)

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12.5

Vaginal smears obtained during early dioestrus. Numerous nucleated intermediate and parabasal cells, together with neutrophils, are visible. This is the best time to use anti-progestogens as abortive agents. (Harris–Schorr stain; original magnification X100 (top) and X400 (bottom)) (© A. Fontbonne) © 2010 British Small Animal Veterinary Association

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12.5 Vaginal smears obtained during early dioestrus. Numerous nucleated intermediate and parabasal cells, together with neutrophils, are visible. This is the best time to use anti-progestogens as abortive agents. (Harris–Schorr stain; original magnification X100 (top) and X400 (bottom)) (© A. Fontbonne)

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12.6

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12.6 Clinical approach to a bitch presented during mid-pregnancy.

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12.11

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12.11 Practical approach to pregnancy termination when the bitch is presented in late pregnancy (>day 40–45 after mating).