Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Swine Backyard Production Systems in Central Chile: Characterizing Farm Structure, Animal Management and Production Value Chain

Version 1 : Received: 12 April 2023 / Approved: 13 April 2023 / Online: 13 April 2023 (03:32:46 CEST)

A peer-reviewed article of this Preprint also exists.

Baumberger, C.; Di Pillo, F.; Galdames, P.; Oyarzun, C.; Marambio, V.; Jimenez-Bluhm, P.; Hamilton-West, C. Swine Backyard Production Systems in Central Chile: Characterizing Farm Structure, Animal Management, and Production Value Chain. Animals 2023, 13, 2000. Baumberger, C.; Di Pillo, F.; Galdames, P.; Oyarzun, C.; Marambio, V.; Jimenez-Bluhm, P.; Hamilton-West, C. Swine Backyard Production Systems in Central Chile: Characterizing Farm Structure, Animal Management, and Production Value Chain. Animals 2023, 13, 2000.

Abstract

Backyard production systems (BPS) are highly distributed in central Chile. Poultry BPS have been previously characterized; however, swine BPS have not yet been deeply characterized in central Chile. In addition, there is evidence that zoonotic pathogens, such as influenza A virus and Salmonella spp., are circulating in both poultry and pigs kept these production systems. A total of 358 BPS located in central Chile were evaluated between 2013 and 2015 by interviewing farm owners. Severe deficiencies in biosecurity measures were observed. The value chain of swine backyard production identified feeding, products and veterinary visits, and replacement or breeding animals as the main inputs to the backyard. The most common origin of swine replacements was from outside the BPS (63%). Meat and live animals (piglets and breeding animals) were identified as the main outputs of the system. In 16% of BPS, breeding animals were lent to other BPS, indicating the existence of animal and animal products movement in and out of backyard farms. Results from this study suggest that swine BPS in central Chile represent an animal-human interphase that need special attention to direct preventive measures aimed at avoiding the introduction and dissemination of animal pathogens and the emergence of zoonotic pathogens.

Keywords

swine; backyard; value chain; Chile

Subject

Biology and Life Sciences, Animal Science, Veterinary Science and Zoology

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