Extraction method detects PRRSV and IAV in used air filters
The methods derived from this study open up avenues to further investigate airborne transmission and risk of virus introduction into farms contributing to the control of diseases in swine.
Abstracts - Facilities and equipment
Ideal slat and gap width of flooring for sow comfort and ease of manure management
Narrower slat and gap widths may provide benefits in terms of feet health and sow comfort without compromising manure management and air quality.
Effectiveness of commercial disinfectants used against ASF virus
Sodium hypochlorite, glutaraldehyde, caustic soda and potassium peroxymonosulfate showed the best ASFV inactivation rates.
Low-emission slurry pits for pig houses with straw application
A new slurry system with U-shaped slurry trays with flushing or scraping can handle slurry with a high amount of straw and can reduce the emissions of ammonia and odour from pig houses.
A ramp in nursery pig housing speeds the loading of market hogs
Adding ramps to nursery pig housing is a simple way to speed loading of market hogs, while providing benefits to efficiency and behavior in the nursery.
Using passive infrared detectors to record activity in finishing pigs
Pig activity changes can be recorded using passive infrared detectors which could serve as a monitoring tool for early detection of behavioral changes.
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Automatic early warning of tail biting using 3D cameras to detect tail posture
A 3D machine vision system has the potential to automate tail posture detection and provide early warning of tail biting on farm.
Effects of pen location on thermoregulation and growth performance of grow-finish pigs
Grow-finish pigs located in peripheral pens had greater body temperatures and reduced gain-to-feed ratios despite similarities in pen ambient temperature and relative humidity between all pens.
Relating pig lying locations to environmental variability in finishing pens
Computational fluid dynamics model outputs could provide insight on which environmental drivers affect pigs’ lying location choice, even before a hog building is built and stocked.
Using infrared skin temperature to predict stress in piglets
The stress conditions with the highest accuracy in the detection were cold and thirst. Infrared skin temperature is a promising assessment of stress conditions.
Effect of ventilation settings on ammonia and odour emissions
A higher set-point temperature significantly lowered odour emissions compared to the reference, and had the potential to lower NH3 emissions.
Enrichment in finishing pigs: Comparing three wood species and a rubber floor toy
Wood appears to be a safe material to use as environmental enrichment for pigs and a softer wood species were preferred by pigs with equal preference for the rubber floor toy.
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Persistence of coronaviruses on inanimate surfaces and their inactivation with biocidal agents
The autors review the literature about the persistence of human and veterinary coronaviruses on inanimate surfaces as well as inactivation strategies with biocidal agents.
Effect of straw amount on feed intake and weight gain in growing pigs housed in pens with partly slatted floor
The more straw provided (between 10 and 500 g) the higher the daily weight gain. The feed conversion ratio was not affected by the amount of straw provided.
Effects of pigs per feeder hole and group size
The objective was to determine the effects of varying the number of pigs per feeder hole and group size on feed intake onset, growth performance, and lesions in nursery pigs.
Impact of sow prepartum behavior on maternal behavior, piglet body weight gain, and mortality in farrowing pens and crates
According to the results, the same sow behavior can have different consequences in pens vs. in crates.
Use of a fluorescent powder to study the transfer of contamination from livestock trailers
The objective of this pilot study was to determine if a fluorescent powder (Glo Germ) could be used to study the transfer of contamination from livestock trailers to the center alleyway and pens in the barn during marketing events.
Environmental enrichment on the physiology, behaviour, productivity and meat quality of pigs
Straw in a rack was found to be the best material to meet the behavioural needs of pigs.
Shower-in and shower-in plus bench entry protocols for prevention of contamination in a swine facility
The objective was to determine if the addition of a bench entry system in a commercial swine facility with a shower lowers the risk of personnel introducing environmental contamination.
Hygienic status of selected organic enrichment materials used in pigs
Most of the tested organic materials are probably not likely to pose a hygienic risk to pigs and are suitable as enrichment material.
Effect of conductive cooling pads on heat and moisture production of gilts in hot and thermoneutral environments
Conductive cooling pads have the potential to cool swine under both high temperature and high humidity conditions.
Modelling contamination of trucks used in the shipment of pigs infected with PRRS
Under current biosecurity practices, a substantial risk exists for the spread of PRRS virus due to truck sharing.
Removal of gases from a swine barn
The purpose of this study was to investigate the combined effect of biofilter media depth and moisture content on removal of gases from a swine barn.
High environmental temperature around farrowing induced heat stress in crated sows
High temperatures around farrowing (25°C) compromise crated sows' welfare, with a potential negative impact on offspring performance.
Water medication calculator
Simulator that calculates the amount of drug to add to the water when using a flow dispenser.