Low-Dose Insemination in Pigs: Problems and Possibilities

Low-dose AI procedures are required by the pig industry to efficiently utilize emerging sperm technologies, such as cryopreservation and sex-sorting. Currently, several different procedures for inseminating with a low or very low number of spermatozoa have been described. Deep intrauterine inseminat...

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Bibliographic Details
Published in:Reproduction in domestic animals 2008-07, Vol.43 (s2), p.347-354
Main Authors: Vazquez, JM, Roca, J, Gil, MA, Cuello, C, Parrilla, I, Caballero, I, Vazquez, JL, Martínez, EA
Format: Article
Language:English
Subjects:
Animal reproduction
Animals
Artificial insemination
Cryopreservation - veterinary
Female
Hogs
Hysteroscopy - methods
Hysteroscopy - veterinary
Insemination, Artificial - instrumentation
Insemination, Artificial - methods
Insemination, Artificial - veterinary
Male
Pregnancy
Reproductive technologies
Semen Preservation - methods
Semen Preservation - veterinary
Sex Preselection - methods
Sex Preselection - veterinary
Sperm Count - veterinary
Spermatozoa - physiology
Swine - physiology
Uterus
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Summary:Low-dose AI procedures are required by the pig industry to efficiently utilize emerging sperm technologies, such as cryopreservation and sex-sorting. Currently, several different procedures for inseminating with a low or very low number of spermatozoa have been described. Deep intrauterine insemination allows the deposition of the spermatozoa in the depth of the uterine horn, allowing a significant reduction in the number of spermatozoa inseminated with maintenance of optimal reproductive performance. Intra-oviductal laparoscopic insemination has been recently applied in pigs. This technique has proved to be applicable with diluted and sex-sorted spermatozoa. This review discusses several problems encountered during the development of deep intrauterine insemination and intra-oviductal laparoscopic insemination of pigs and provides potential solutions for the practical application of both the technologies.
ISSN:0936-6768
1439-0531
DOI:10.1111/j.1439-0531.2008.01183.x