Translated title of the contribution: Freezing of donkey semen (EQUUS ASINUS)

Igor Frederico Canisso, Fernando Andrade Souza, Jeanny Marlén Ortigoza Escobar, Giovanni Ribeiro De Carvalho, Mina C.Davies Morel, Erotides Capistrano Da Silva, José Domingos Guimarães, Anali Linhares Lima

Research output: Contribution to journalReview articlepeer-review


For decades, the development and use of the artificial insemination in the equine, especially with frozen semen, was restricted due to impositions of equine breeders associations that opposed the use of the technique. Recently, these legislations have become more flexible in several countries, allowing the registration of products originating from frozen semen. In Brazil, based on these changes, the main donkey breed association (Brazilian Breeders Association of the Pêga Donkeys) revised their concepts and started to allow the use of this biotechnology. The current interest in many countries for the donkey sire is the production of mules, because their acceptability as these animals inherits suitable characteristics of both donkeys and horses. The first reports on donkey frozen semen used extenders based on egg yolk and glycerol, packed in glass ampoules, and followed the existing methodology for freezing bull semen. However, despite of the elapsed time, few research works have been carried out on this species, especially on semen. This literature review discussed the main techniques of freezing equine semen and describes studies on freezing of sperm of asinine species.

Translated title of the contributionFreezing of donkey semen (EQUUS ASINUS)
Original languageSpanish
Pages (from-to)113-125
Number of pages13
JournalRevista de Investigaciones Veterinarias del Peru
Issue number2
StatePublished - 2008
Externally publishedYes


  • Cryopreservation
  • Donkey
  • Semen

ASJC Scopus subject areas

  • General Veterinary


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