ISSN 2398-2993      

Semen: sampling techniques

obovis

Introduction

  • Semen samples may be examined:
    • As part of a bull breeding soundness examination.
    • Annually before breeding commences.
    • Prior to sale as breeding bulls.
    • For insurance purposes.
    • When a subfertility/infertility problem is suspected.

Methods of semen collection

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Semen collection by artificial vagina

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Semen collection by massage of the ampullae per rectum

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Semen collection by electroejaculation (EEJ)

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Sample handling

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Further Reading

Publications

Refereed Papers

  • Recent references from PubMed and VetMedResource.
  • Statham J M E (2010) Differential diagnosis of scrotal enlargement in bulls. In Practice 32, 2-9.
  • Penny C (2009) The development of a UK bull breeding soundness evaluation certificate. Cattle Pract 17, 64-70.
  • Penny C (2005) Practical semen collection and examination techniques for breeding soundness evaluation of bulls. Cattle Pract 13, 199-204.
  • McGowan M (2004) Approach to conducting bull breeding soundness evaluations. In Practice 26, 485-491.

Other sources of information

  • Chenoweth P (2015) Bull Health and Breeding Soundness. In: Bovine Medicine. 3rd edn. Wiley-Blackwell Publishing, UK. pp 246-261.
  • Logue D N & Crawshaw, W M (2004) Bull infertility. Bovine Medicine – Diseases and Husbandry of Cattle. 2nd edn. Wiley-Blackwell Publishing, UK. pp 594-626.

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