Ventilation System Requirements for Conversion to Group Sow Housing
The animal environment and energy costs all are impacted by ventilation. When converting to a group-housed sow barn, retaining the existing ventilation system leads to over-ventilation in winter as they are designed for a higher animal density. This can chill the animals with negative impacts...
Determining Effective Enrichments for Group Housed Sows
Providing enrichment improves biological functioning and the well-being of animals. For pigs reared in Canada, this is now a requirement. It promotes positive social behaviour and is an outlet for their highly motivated exploratory behaviour. Adverse behaviours, stereotypic behaviours and aggression levels are increased in...
Stimulating Exploratory Behavior in Piglets: Effects on Pre-Weaning Creep Consumption
Weaning is a very stressful experience for piglets due to removal of the sow, diet changes, mixing with other litters and a change of pen environment. They often fail to consume feed so growth reductions are often seen. This can reduce immunity and impair gut...
Reducing Energy Use in Group Sow Housing Systems
Sows in groups may have a lower critical temperature that is lower than sows housed in individual stalls as they can use thermoregulatory behaviour. If productivity does not changes, reducing energy costs for ventilation and heating may be an option. Adding fibre to the diet...
Zinc Oxide and Antimicrobial Resistance in Pigs
An essential nutrient in a pigs diet is zinc, with minimum levels need around 100 ppm. In early starter rations, zinc oxide is often used therapeutically to control post-weaning E. coli diarrhea in levels of 2000 to 3000 ppm. Zinc oxide used therapeutically may create...
Compounding Iron Dextran with NSAIDs for Use in Piglets at Time of Processing
NSAIDs are often given at processing along with iron dextran and it is tempting to given them together to reduce the number of injections to the piglet. Mixing these products is not allowed under the Canadian Assurance program, though it does happen occasionally so possible...
Treating Swine and Municipal Wastewater with Microbial Fuel Cell Technology
Land application of livestock wastewater is creating challenges for producers due to costs and environmental impacts. Finding alternatives is of great interest in order to have safe disposal with reduced costs. Wastewater contains nitrogenous and organic compounds that can be a source of energy and...
Increasing Creep Feed Intake by Stimulating Exploratory Behaviour using Enrichment
Multiple significant changes occur simultaneously during weaning making it a highly stressful time for piglets. Increased cortisol levels and weight loss are often noted after weaning, resulting in increased disease risk and mortality. Providing creep feed before weaning promotes solid feed intake and when consumed...
Impact of Calcium and Phosphorus on Sow Lameness and Sow Longevity
As sow productivity continues to improve, dietary mineral recommendations are evolving. Physiological and anatomical demands on the skeletal system are increasing so higher dietary levels of minerals like phosphorus and calcium are recommended. The modern, highly prolific sow has not had much research done on...
The Efficiency of Energy Utilization by Growing Pigs Selected for Potential Growth Rate
Growth rate variability within a group of pigs leads to variation in carcass composition and inefficiencies in nutrient utilization. Variability is a significant challenge for the pork industry. Cost-effective feeding regimes are being developed to minimize the negative effects of variability on the producer's bottom...