ISSN 2398-2993      

Artificial insemination

obovis
Contributor(s):

Mike Reynolds

David Black

Paragon veterinary Group logo

Synonym(s): AI


Introduction

  • Artificial insemination (AI) has been said to be the most important single technique devised for the genetic improvement of animals, because it allows a few select males to produce enough sperm to inseminate thousands of females per year.
  • The technique permits cooling or freezing of semen for storage and shipping to remote destinations allowing a greater geographical distribution of genetics.

Uses

Advantages

  • Allows widespread use of outstanding sires from around the world increasing genetic gain.
  • Increased utilization of the best genetics with stud bull use much greater than can be achieved in normal breeding lifetimes Genomics: overview.
  • Improved biosecurity: AI negates the risk of sexually transmitted infectious disease, eg campylobacter Campylobacter spp.
  • Allows for greater flexibility and choice in bull use, on an individual cow basis, for example, bull breed, traits etc.
  • Negates the risk of infertile ill or lame stock bulls during the breeding season.
  • Negates the risk of work, health and safety issues concerned with stock bull use.

Disadvantages

  • Requires heat detection Estrus: signs and detection by farm staff, or estrus synchronization.
  • Requires appropriately trained insemination technicians.
  • Increased pressure on technicians in terms of results achieved
  • Requires accurate record keeping.
  • Propagation of genetic defects on a large scale, eg Mulefoot, CVM.

Requirements

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Preparation

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Procedure

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Aftercare

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Outcomes

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Further Reading

Publications

Refereed Papers

  • Recent references from PubMed and VetMed Resource.
  • Diskin M G (2018) Review: Semen handling, time of insemination and insemination technique in cattle. Animal 12 S1, 75-84 PubMed.
  • Hall J B, Kasimanickam R K, Glaze J B, Roberts-Lew M C (2017) Impact of delayed insemination on pregnancy rates to gender selected semen in a fixed-time AI system. Theriogenology 10, 154-161 PubMed.

Other sources of information

  • Ax R L, Dally M R, Didion B A, Lenz RW, Love C C, Varner D D, Hafez B, Bellin M E (2016) Artificial Insemination. In: Hafez and Hafez Reproduction in Farm Animals.  7th Edition. pp 376-390.

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