AGRICULTURAL AND FOOD SCIENCES
National Centre for Livestock
and the Environment
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Faculty of Agricultural and Food Sciences
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Research Reports
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Recently Completed Projects
Archived Projects:
Animal Care
Manure & Byproducts
Land, Air & Water
Systems Modeling
Agriculture & Society
Projects In Progress
Successful conversion of existing barns to sow group housing:
building a reference document for use by pork producers, extension personnel and other stakeholders
Whole farm nutrient balance:
evaluating diets containing zero tannin faba beans and DDGS for the whole pig production and manure management system
Dietary manipulation strategies to minimize excretion of nitrogen and phosphorus into manure
while maintaining pig growth and health
Beneficial management practices for greenhouse gas mitigation from agroecosystems
, with emphasis on cow-calf non-confinement production systems in Western Canada
Overwintering beef cows in Manitoba
– impact of management on productivity and environmental sustainability
Mechanism of delivery of dried distillers grains with solubles in beef cattle overwintering diets
Supplementing forage diets with dried distillers grains in cold stressed environment
Overwintering beef cows in an extensive bale grazing system
Ecoregion examination of feeding and management strategies in the Canadian beef industry
Use of residual feed intake (RFI) to select breeding stock in forage-based beef cattle production systems
Developing a strategy for forage and grassland management:
examination and assessment of multifunctional value in terms of productivity and environmental sustainability
Comparison of economic and environmental efficiencies of advanced beef production systems
in the Western Canadian Parkland
Assessing the efficacy of chemically-enhanced solid-liquid separation for management of phosphorus in hog manure
Developing a calculator for estimating the fertilizer equivalence of different manures
Utilization of processed hog manure separation products in Manitoba
Downward movement of nitrate and phosphorus from liquid versus solid swine manure
in an annual and perennial cropping system
Characterization and monitoring of odour from various liquid manure separation products
Examination of the environmental and economic value of forage and grassland in Manitoba:
establishing the multi-functional value of Manitoba grasslands
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Recently Completed Projects (within 1 year)
Use of high tannin forages to improve sustainability of integrated beef/forage production systems:
forage and cattle productivity, nutrient dynamics, greenhouse gases, pathogens
Rumen microbial community and pathogen shedding from cattle during the overwintering period:
implications for supplementation of low quality forage diets with dried distillers grains (DDGS) in a cold-stressed environment
Development of Manitoba-based computer models for nutrient management in the laying hen industry:
dietary manipulation strategies to improve nutrient use efficiency, particularly phosphorus, while meeting nutritional needs of laying hens and egg quality
Reducing whole-farm surpluses of phosphorus and potassium in intensive livestock operations:
a case study of dairy farms
Reclaiming phosphorus from liquid pig manure
: precipitation of P as struvite (MgNH
4
PO
4
) from stored, treated and anaerobically digested manure and implications for use as fertilizer
Modeling anaerobic digestion of pig manure at 50° latitude in Western Canada:
options for improving the energy balance of methane production in cold climates
NCLE long term sustainable nutrient management for manure applied to annual and perennial crops:
differing livestock manure and crop management scenarios
Development of dispersion-based setback distance guidelines for Manitoba
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Archived Reports (>1 yr)
Animal Care
SWINE MANAGEMENT
Sow longevity and housing environment:
identification of factors contributing to longevity of sows in the breeding herd - development of an economic predictive model for use as a decision making tool.
Nutrient management planning for sow operations using extant and new feed consumption models and manure analysis
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BEEF / FORAGE MANAGEMENT
Development of models to quantify and monitor the spatiotemporal distribution of vegetation biomass in Manitoba grasslands/pastures using satellite imagery
Use of ionophores to temporarily suppress enteric methane production
: adaptation of rumen microbial communities and re-establishment of methane production.
Fertilization of forage land with liquid pig manure
: evaluating the potential of using hog manure as a fertilizer for forage crop in beef cattle production. La Broquerie Phase I (2003 - 2007)
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DAIRY MANAGEMENT
Controlling the spread of Johne’s Disease (JD):
composting as a means of eliminating JD
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POULTRY MANAGEMENT
Performance and welfare of laying hens in conventional and enriched cages
Inclusion of DDGs in poultry diets and manure phosphorus content:
implications for feeding strategies to decrease phosphorus loading
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Manure & Byproducts
GREENHOUSE GASES
Modeling greenhouse gas emissions from stored manure:
evaluation of dietary manipulation effects
Effects of manure and formulated N fertilizers on greenhouse gas emissions in the Red River Valley
Quantitative assessment and mitigation of total greenhouse gas emissions from livestock manure applied to soil:
determining the impact of diet on net greenhouse gas emissions and developing equations relating nutrient composition of feed, manure and GHG emissions
VALUE –ADDED MANURE PROCESSING
Fertilization of forage land with liquid pig manure:
evaluating the potential of using hog manure as a fertilizer for forage crops in beef cattle production. La Broquerie Phase I (2003-2007)
Anaerobically digested solid beef feedlot manure:
N
2
O emissions and nutrient (N, P) availability and release
Kinetics of struvite precipitation
Anaerobic digestion:
capacity of co-digestion with glycerol (a biodiesel by-product) to boost methane production from liquid pig manure
Evaluation of the opportunity for manure treatment/processing technologies to achieve manure phosphorus balance.
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NUTRIENT MANAGEMENT
Fertilization of forage land with liquid pig manure:
evaluating the potential of using hog manure as a fertilizer for forage crops in beef cattle production. La Broquerie Phase I
Manitoba Beef Producers solid cattle manure management project:
nitrogen and non-nitrogen benefits of manure for crop production
Inclusion of DDGs in poultry diets and manure phosphorus content:
implications for feeding strategies to decrease phosphorus loading
Forms of phosphorus in different manures and their impact on P runoff and leaching losses from manure amended soils
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MANURE STORAGE
Biofiltration for mitigating methane emission from covered hog manure storage:
preliminary phase of designing and testing a bioifiltration system for removing greenhouse gas emissions from covered hog manure storage
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ODOUR MITIGATION
Modeling greenhouse gas emissions from stored manure:
evaluation of dietary manipulation effects
Comparison of odour emissions between Aerway and non-Aerway manure application methods at the La Broquerie Project Site
Design and testing of an enclosed biofilter
Evaluation of a modular, interior-mounted biofilter
Agricultural biofilters
-reflections on a decade of research
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PATHOGENS, OTHER
A regional dynamic assessment of emerging manure management in Manitoba
Farm level and regional impacts of forage based manure management in Manitoba:
La Broquerie Project Phase I (completed 2007). This site was established in 2003 and is home to an extensive multidisciplinary study of which Phase II began in 2008.
Environmental impacts of spreading hog manure on pasture: pathogens and antibiotic resistance in water.
La Broquerie Phase I (2003-2007)
Sustainability of grassland systems receiving pig manure on coarse-textured soil:
fate of nutrients and pathogens over time. La Broquerie Phase II (2003-2010)
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Land, Air & Water
Quantitative assessment and mitigation of total greenhouse gas emissions from livestock manure applied to soil:
determining the impact of diet on net greenhouse gas emissions and developing equations relating nutrient composition of feed, manure and GHG emissions
Fertilization of forage land with liquid pig manure
: evaluating the potential of using hog manure as a fertilizer for forage crops in beef cattle production. La Broquerie Phase I (2003-2007)
Farm level and regional impacts of forage based manure management in Manitoba
: La Broquerie Project Phase I (completed 2007). This site was established in 2003 and is home to an extensive multidisciplinary study of which Phase II began in 2008.
Environmental impacts of spreading hog manure on pasture:
pathogens and antibiotic resistance in water. La Broquerie Phase I (2003-2007)
Sustainability of grassland systems receiving pig manure on coarse-textured soil:
fate of nutrients and pathogens over time. La Broquerie Phase II (2003-2010)
Greenhouse gas emissions as related to forage-crop conversions:
determining agricultural land management practices that reduce greenhouse gas emissions
Manitoba Beef Producers solid cattle manure management project:
nitrogen and non-nitrogen benefits of manure for crop production
Soil organic carbon in long-term crop rotation and management studies in South Central Manitoba and the Red River Valley:
contribution of cropping and management strategies to carbon sequestration.
Carbon sequestration and greenhouse gas emission benefit of including perennials in annual cropping systems
Greenhouse gas fluxes and budget for an annual cropping system in the Red River Valley, Manitoba, Canada
Development of models to quantify and monitor the spatiotemporal distribution of vegetation biomass in Manitoba grasslands/pastures using satellite imagery
Effects of manure and formulated N fertilizers on greenhouse gas emissions in the Red River Valley
Forms of phosphorus in different manures and their impact on P runoff and leaching losses from manure amended soils
back to top
Systems Modeling
Quantitative assessment and mitigation of total greenhouse gas emissions from livestock manure applied to soil:
determining the impact of diet on net greenhouse gas emissions and developing equations relating nutrient composition of feed, manure and GHG emissions
Nutrient management planning for sow operations using extant and new feed consumption models and manure analysis
Development of models to quantify and monitor the spatiotemporal distribution of vegetation biomass in Manitoba grasslands/pastures using satellite imagery
Modeling greenhouse gas emissions from stored manure:
evaluation of dietary manipulation effects
Effects of manure and formulated N fertilizers on greenhouse gas emissions in the Red River Valley
Fertilization of forage land with liquid pig manure:
evaluating the potential of using hog manure as a fertilizer for forage crops in beef cattle production. La Broquerie Phase I
Sustainability of grassland systems receiving pig manure on coarse-textured soil:
fate of nutrients and pathogens over time. La Broquerie Phase II (2003-2010)
back to top
Agriculture & Society
Sow longevity and housing environment:
identification of factors contributing to longevity of sows in the breeding herd - development of an economic predictive model for use as a decision making tool.
Performance and welfare of laying hens in conventional and enriched cages
Farm level and regional impacts of forage based manure management in Manitoba:
La Broquerie Project Phase I (completed 2007). This site was established in 2003 and is home to an extensive multidisciplinary study of which Phase II began in 2008.
Environmental impacts of spreading hog manure on pasture: pathogens and antibiotic resistance in water.
La Broquerie Phase I (2003-2007)
Sustainability of grassland systems receiving pig manure on coarse-textured soil:
fate of nutrients and pathogens over time. La Broquerie Phase II (2003-2010)
Comparison of odour emissions between Aerway and non-Aerway manure application methods at the La Broquerie Project Site
A regional dynamic assessment of emerging manure management in Manitoba
Design and testing of an enclosed biofilter
Agricultural biofilter
s - reflections on a decade of research
Controlling the spread of Johne’s Disease (JD):
composting as a means of eliminating JD
back to top
Animal Care
Manure & Byproducts
Land, Air & Water
Systems Modeling
Agriculture & Society
Research Reports
Research Community