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Engineering

Engineering Controls Reduce Hydrogen Sulphide Exposure in Swine Barns

Three engineering control measures were developed and tested for effectiveness in protecting swine barn workers from exposure to hydrogen sulfide (H2S) gas during manure handling events. A remote manure pit plug pulling system allowed the worker to pull the manure pit plug from outside the room. A water sprinkling apparatus was...

Field Testing of an Air Filtration System for Transport

The spread of airborne transmissible disease such as PRRS continues to be a serious threat to the Canadian swine industry as this disease causes significant economic losses to infected herds. Th is project aimed to develop an additional line of defense against infection of airborne diseases by designing an...

Can Group-Housed Sows Raised at Lower Temperatures?

In this project, an operant mechanism that will allow sows housed in a group system to control their own environmental temperature was developed. Th e mechanism was configured with a manual control switch that the sows can access and operate, which in turn activated the supplementary room heating system,...

Nanaparticles for Controlling Disease – Causing Microorganisms in Pig Barns

Laboratory-scale tests were conducted to evaluate the effectiveness of various types of commercially-available nanoparticles on the levels of microorganisms commonly encountered in swine barns.  Results indicate Zinc oxide (ZnO) nanoparticles had the highest antimicrobial efficacy among all the nanoparticles tested. Further experiments carried out in the barn indicated that partial...

Geothermal Systems for Heating & Cooling in Swine Barns

This study assessed the applicability of a geothermal system in swine production facilities. In-barn evaluation of the impact of the geothermal system on energy use, thermal environment, greenhouse gas emissions, and animal performance was conducted by comparing a swine grow-finish room with geothermal system to a conventional production room with...

ATP Bioluminescence as Means for Assessing Trailer Cleanliness

Proper washing and disinfection of swine transport trailers is an important step in maintaining biosecurity. This study examined the feasibility of using adenosine triphosphate (ATP) bioluminescence as a rapid and effective swine trailer cleanliness assessment tool. Samples were taken from newly-cleaned, dry trailers using an ATP swab by swabbing...

Reducing Energy Use in Group Housing Systems

In this study, controlled-chamber experiments were carried out to develop an operant mechanism that allowed the sows to demonstrate their preferred environmental temperature and to study the effects of fibre addition on growth performance and physiological response. Results showed that sows fed with high heat-increment diet were able to...

Can Nanoparticles Control PEDv?

This project set out to evaluate the efficacy of novel metal nanoparticles (with previously demonstrated antimicrobial properties), either alone or in combination with alternative disinfecting strategies for inactivation of PED.   Conducting the work under Biosafety Level 3 containment, experiments that simulated hog production environments showed that copper...

Evaluating Novel Technologies

Two novel technologies consisting of an individual water consumption system (IWCS) and infrared thermography system (ITHS) were installed in a finishing room. The individual water consumption system (installed in each pen) was composed of a nipple drinker attached to a water fl ow meter, and an RFID...

Ventilation System Requirements for Converted Gestation Barns

Computer simulation was utilized to assess the performance of different ventilation system configurations needed for a sow gestation barn newly converted to group housing. Various configurations of the ventilation system involving varying capacities and locations of exhaust fans as well as size, design and location of air inlets, were...