Abstract

The pork industry, a key player in the Canadian economy, significantly contributes to livestock production, international trade markets, and employment. The multi-faceted swine industry is comprised of nucleus, multiplier, and commercial herds. The recognition and application of exemplary internal and external biosecurity measures are paramount for maintaining sustainable swine production. Historically, live animal transport has been an important means of disseminating superior genetics between production herds and poses a considerable risk for disease transmission and biosecurity breach points. The industry has evolved over time to employ other methods, through the shipping of boar semen and the adoption of artificial insemination practices to acquire genetic resources with a lower risk of disease transmission. These effective changes have led to an improvement in herd health, production performance, and efficiency. In particular, the industry’s dedication to enhanced biosecurity is evident in the effort to streamline embryo collection and transfer procedures. Such advances reduce the potential need to transport live animals, thereby lowering the risk of introducing infectious agents. This review article explores the different forms of disseminating swine genetics, namely, live animal, semen transportation, and embryo transfer, examining potential breaches in biosecurity, and discussing mitigation strategies that reduce disease transmission to protect the health of animal stock.

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