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Nutritional management for enteric methane abatement: A review
A variety of nutritional management strategies that reduce enteric methane (CH4) production are discussed. Strategies such as increasing the level of grain in the diet, inclusion of lipids andExpand
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A review of plant-derived essential oils in ruminant nutrition and production
Public concern over use of antibiotics in livestock production has increased in recent years because of their possible contribution to emergence of antibiotic resistant bacteria, and theirExpand
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Dietary, environmental and microbiological aspects of methane production in ruminants
Methane gas is produced in the rumen by methanogenic bacteria as a metabolic end product. The energy released by bacteria in the process of methane formation can be used for bacterial cell formation.Expand
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Distribution of sulfamethazine, chlortetracycline and tylosin in manure and soil of Canadian feedlots after subtherapeutic use in cattle.
Feedlots are potential point sources for the flow of antibiotics into the environment due to common use of antibiotics such as sulfamethazine, chlortetracycline and tylosin. Hence soils and manuresExpand
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Survey of hormone activities in municipal biosolids and animal manures
The potential exists for natural or synthetic hormonal chemicals present in agricultural fertilizers to be transferred to adjacent aquatic environments in order to alter endocrine function in exposedExpand
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Frothy bloat in ruminants: Cause, occurrence, and mitigation strategies
A number of pasture and feedlot management practices and feed additives have reduced, but not eliminated the occurrence of frothy bloat in cattle. Bloat occurs as a result of complex interactionsExpand
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Effects of water quality on cattle performance
Water is an important nutrient for livestock production and is often provided on rangelands directly from ponds or dugouts. Cattle may defecate and urinate into the water thereby adding nutrients andExpand
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Strategies to reduce greenhouse gases from ruminant livestock
Abstract Globally, methane emissions account for 40–45% of greenhouse gas emissions from ruminant livestock, with over 90% of these emissions arising from enteric fermentation. Consequently, entericExpand
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A proposed approach to estimate and reduce the environmental impact from whole farms
Abstract Greenhouse gas (GHG) emissions remain an important field of agricultural research. Apart from measuring, simulations are frequently used to investigate management impacts on GHG emissions.Expand
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