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In Spain, the beef fattening system is an intensive system where calves are commonly housed in partially open barns with straw bedding and 40% of the calves, mainly males, are from dairy origin (surplus calves). These calves are transported by road for long hours (up to 3-5 days) from their dairy origin farms to the rearing farm where these calves are fed low amounts of milk replacer for 6-8 weeks and concentrate and straw ad libitum in separate feeders from very young ages with a resulting...
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Introduction Ruminants play a crucial role in food security. They supply 51% of all protein from the livestock sector; of which 67 and 33% are from milk and meat, respectively (Gerber et al., 2013). For many populations, livestock is a primary source of nutrition, and not simply a source of calories. Ruminants have the digestive particularity of being able to digest fibrous material (i.e., forages, agro-industrial by-products and crop residues) that is not edible to humans, and...
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Introduction Governments, the private sector, and consumers are increasingly aware of the potential impacts of elevated greenhouse gases (GHG) in the atmosphere and their impacts on climate change. All segments of society are challenged with reducing GHG emissions to limit global warming to 1.5◦ C above pre-industrial levels by 2050. While no government legislation or carbon tax has been imposed on livestock emissions in Canada, there is increasing pressure on the...
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Introduction Climate change is a global issue that requires comprehensive and far-reaching solutions across all economic and demographic jurisdictions. The Paris Climate Agreement, adopted in 2015, sets out a global framework to address harmful climate impacts by limiting additional global warming to well below 2 degrees Celsius (°C) (1.5 °C goal). The accord recognizes regional differences and the need for specific actions across all jurisdictions, including developed...
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Dairy cows are housed for most of the time in the barn. The fundamental for design the dairy barn is to provide cow comfort, labor efficiency, economic viability, and waste management efficiency [6][7][9] One of long-standing and costly problems of handling manure has been the absence of simple, reliable, accurate and long-lasting system of manure collection and transportation out of the barn. The Enterprise tendency to lager dairy production, with a concern for quality...
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There is no question that the ongoing narrative concerning climate change and various “man-induced” gas emissions (including ammonia, carbon dioxide, methane and nitrous oxide) includes dairy production. While many producers (and others involved in agriculture) may not agree with the significance or level of gas contributions of agriculture to the total production, that disagreement may be somewhat irrelevant. The discussion, social media uproar, political activism and...
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The effects of dietary rumen-protected choline on mammary DNA methylation patterns
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The Nature Conservancy, the Innovation Center for U.S. Dairy, and the Institute for Feed Education and Research are launching a three-year project to explore innovative feed management strategies that can reduce enteric methane emissions in dairy cattle. The U.S. Department of Agriculture (USDA) recently announced a $537,440 award for this project through its Conservation Innovation Grants On-Farm Conservation Innovation Trial program. With project partner resource contributions, the project...
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U.S. dairy and livestock trends point to a decline in methane emissions. While the greenhouse gas has been used by climate change activists to clobber animal agriculture, science points to a different trend.
Methane as a greenhouse gas has long been the Achilles’ heel for activists to attack animal agriculture. That appears to be shifting as scientific discovery suggests a reduction in atmospheric methane over the United States.
Frank Mitloehner, a professor and air...
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Organic selenium to reduce oxidative stress oxidative stress: Selsaf®3000
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The Manure Challenge showcased eight international start-ups pitch solutions to capture value from manure-based nutrients, to a live digital audience of more than 450 high profile investors and industry leaders.
Digested Organics was selected by the judging panel as the Winner of the $50,000 non-dilutive prize, announced by Cargill at the end...
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Introduction There have been a lot of discussions going on these days on waste management. There should always be an advanced and economical method for waste disposal concerned with livestock farm. Day by day advanced techniques are being developed for different agricultural operations. There are some important, economical, and efficient methods of manure and farm waste disposal. Carelessness regarding proper waste management will not only create huge pollution but also loss of...
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The Yield Lab Institute is pleased to announce the addition of a number of diverse advisors to the Manure Challenge, as well as a successful application cycle.
The Manure Challenge—organized by Yield Lab Institute with guidance from World Wildlife Fund, Newtrient, and the Dairy Farmers of America—brings together the expertise of many eminent public, for profit, and non-for-profit leaders from a wide variety of backgrounds to support interest and investment in manure...
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Introduction Increasing atmospheric concentrations of greenhouse gases (GHG) is a major worldwide concern. It is estimated that, globally, direct emissions from animal agriculture account for 7-10% of human derived GHG emissions (O’Mara, 2011), with this estimate increasing to 14.5% if indirect sources, such as feed production and deforestation for pasture or crop expansion are accounted for (Gerber et al., 2013)....
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Thank you to all authors who submitted an abstract. We were delighted to receive over 300 abstract submissions for the Conference. Submissions have now closed and reviews have begun.
Call for Posters
Do you have research that was not completed in time to submit an abstract before the closing date for the 6th Greenhouse Gas and Animal Agriculture...
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The effects of dietary rumen-protected choline on mammary DNA methylation patterns
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Introduction This paper will describe how environmental quality is interrelated with feed management and whole farm nutrient management by using the nutrients of N and P to demonstrate the concepts and connections between feed management and whole farm nutrient management. In addition, this paper will focus on aspects of manure management related to the fate and transport of pharmaceuticals to the environment. The intent...
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Organic selenium to reduce oxidative stress oxidative stress: Selsaf®3000
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Introduction Dairy farming in New Zealand (NZ) is under increasing scrutiny due to growing environmental concerns. Agriculture as a whole is the largest source of greenhouse gas (GHG) emissions (particularly methane and nitrous oxide), accounting for about 48% of NZ's total emissions in 2007 (Ministry for the Environment, 2010). The dairy sector has been deemed responsible for about 36% of agricultural GHG emissions (Ministry for the Environment,...
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Ronaldo Vibart, scientist at AgResearch from New Zealand, was invited to Argentina to talk about GHG emissions at Mercolactea 2013. ...
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We as dairy farm management professionals use Total Mixed Rations Feeding System on many farms. Many times we are required to configure TMR rations of productive groups of all ages and all quantities of milk. I appeal to all practicing professionals to share their experiences and recommendations on using software for Total Mixed Rations and help me to choose the best software. ...
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Agricultural Research Service scientists at the Agroecosystems Management Research Unit in Lincoln, Nebraska, have been conducting some very thorough investigations on the microbes that dwell in cattle manure—what they are, where they thrive, where they struggle, and where they may end up.
"When we look at potential pathogens that can cause foodborne illness, we need to look at the whole bacterial ecosystem," says ARS microbiologist Lisa Durso....
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