<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Over the past decade, there has been a tremendous increase in the development of field AI services in the majority of countries concerned with pig production. The objective of this paper is to review: (a) the current status of swine AI in the world, (b) significance and limitation of AI with liquid and frozen semen, (c) the biological traits of porcine semen in relation to in vitro sperm storage, (d) the criteria used for selection of a boar stud as a semen supplier, (e) how to process boar semen for liquid and frozen storage in the commercial settings and (f) how to improve fertility and prolificacy of boar semen. More than 99% of the inseminations conducted worldwide are made with liquid-stored semen. AI with frozen semen is used only for upgrading the genetic base in a particular country or herd. Determining the initial quality of semen ejaculates along with the selection of the optimum storage extender has a profound effect on the quality and fertility of AI doses. Different procedures have been used for improving the fertility of preserved spermatozoa including colloidal centrifugation of the semen, intrauterine insemination and modulation of the uterine defense mechanism after AI. Development of an efficient protocol for synchronizing the time of ovulation in sows and gilts coupled with improving uterine horn insemination technique will make a breakthrough in the commercial use of frozen boar semen.</p></abstract>

Over the past decade, there has been a tremendous increase in the development of field AI services in the majority of countries concerned with pig production. The objective of this paper is to review: (a) the current status of swine AI in the world, (b) significance and limitation of AI with liquid and frozen semen, (c) the biological traits of porcine semen in relation to in vitro sperm storage, (d) the criteria used for selection of a boar stud as a semen supplier, (e) how to process boar semen for liquid and frozen storage in the commercial settings and (f) how to improve fertility and prolificacy of boar semen. More than 99% of the inseminations conducted worldwide are made with liquid-stored semen. AI with frozen semen is used only for upgrading the genetic base in a particular country or herd. Determining the initial quality of semen ejaculates along with the selection of the optimum storage extender has a profound effect on the quality and fertility of AI doses. Different procedures have been used for improving the fertility of preserved spermatozoa including colloidal centrifugation of the semen, intrauterine insemination and modulation of the uterine defense mechanism after AI. Development of an efficient protocol for synchronizing the time of ovulation in sows and gilts coupled with improving uterine horn insemination technique will make a breakthrough in the commercial use of frozen boar semen.

Highlights on Artificial Insemination (AI) Technology in the Pigs

EquiBiotech Inc-Research Services in Farm Animal Breeding, 19 Gravias Street P.O. Box 54645, Thessaloniki, Greec e

Veterinary Research Institute, Hellenic Agricultural Organization, 57001 NAGREF Campus, Thermi, P.O. Box 60272, Thessaloniki, Greece

Alexander Technological Educational Institute, Department of Animal Production, P.O. Box 141 Sindos, Thessaloniki, Greece

Ss. Cyril and Methodius University in Skopje, Faculty of Veterinary Medicine, Institute of Reproduction, Lazar Pop Trajkov 5-7, 1000 Skopje, R. Macedonia

Macedonian Veterinary Review

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Highlights on Artificial Insemination (AI) Technology in the Pigs"}

Over the past decade, there has been a tremendous increase in the development of field AI services in the majority of countries concerned with pig production....

Highlights on Artificial Insemination (AI) Technology in the Pigs

Published Online: Nov 18, 2015

Page range: 5 - 34

Received: Sep 07, 2013

Accepted: Sep 30, 2013

DOI: https://doi.org/10.14432/j.macvetrev.2013.09.001

Keywords
boar, semen storage, artificial insemination, fertility

© 2015

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Highlights on Artificial Insemination (AI) Technology in the Pigs

Published Online: Nov 18, 2015

Page range: 5 - 34

Received: Sep 07, 2013

Accepted: Sep 30, 2013

DOI: https://doi.org/10.14432/j.macvetrev.2013.09.001

Keywordsboar, semen storage, artificial insemination, fertility

© 2015

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
boar, semen storage, artificial insemination, fertility