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Figure 5. Carcass disposal containers with differentiated access for depositing carcasses and collecting carcasses. Photo courtesy of Joan Wennberg.

Ideal biosecurity for pig farms (2/2)

Preventing the entry and spread of diseases should be an objective on any swine farm, so adequately designing biosecurity aspects is key. In this article, we continue to discuss biosecurity measures with two experts: Lara Ruiz and José Casanovas.

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Image 1-3. Examples of farm collection containers with physical barriers to ensure a clear separation between the clean and dirty area. Courtesy of Secanim (Spain)

Facilities-Equipment Article

Biosecurity during the deadstock pickup process on the farm

The main concerns related to the carcass collection process and how to overcome them.

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Image 4. External truck for deadstock pickup at a farm. Courtesy of Secanim (Spain).

HealthArticle

Biosecurity practices for deadstock management at the farm

Key biosecurity messages to move dead pigs out of the clean area of the farm to the deadstock management area prior to their treatment: external deadstock container, incinerator or hydrolysis container.

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Figure 1. Carcass container with trigger. Source: 333shop.com

ManagementArticle

Carcass disposal management for swine producers, a practical review (part 2)

Pros and cons of rendering carcass disposal systems, alkaline hydrolysis, anaerobic digestion, gasification, and homogenization.

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Figure 2. Concrete structure for the compost piles. Source: Minnesota Pollution Control Agency

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ManagementArticle

Carcass disposal management for swine producers, a practical review (part 1)

Pros and cons of the most used carcass disposal systems: burial, composting, incineration, and rendering. Impacts on environment and biosecurity.

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Figure 1. Chronic form of African swine fever (ASF). The arrow indicates swollen joints. Source: Walczak et al. Pathogens, 2020,9, 237

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HealthArticle

Tiny doses of virus can cause African swine fever

Biosecurity and prevention measures must take into account that as low as 5 units of ASF virus are enough to produce infection.

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Avoiding the capture of flies by carcass collection lorries is difficult, if not impossible, but the use of insecticides on the inside of the container once it is closed would eliminate them.

HealthArticle

The role of insects in the transmission of PRRSv

Flies are not usually seen as a real risk of infection between farms unless we're talking about very high-density areas. However, flies can travel long distances if captured when collecting carcasses.