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Enteric Methane and Feeds – Arjan Jonker, AgResearch

Methane (CH4) is mainly formed in the rumen (87-92%) by methanogens which utilise microbially hydrogen produced in the rumen during fermentation of ingested feed. CH4 from animals is measured via gas exchange using flux methods like respiration chambers and marker methods in research trials and is expressed as production per time, per unit of intake (yield)

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Mitigating Greenhouse Gas Emissions from NZ pasture-based livestock farm systems – Sinead Leahy, NZ Agricultural GHG Research Centre

NZ has committed to reducing its greenhouse gas emissions (GHG). This is due to NZ’s commitment to the Paris agreement. The target is a reduction in GHG by 30% below 2005 levels by 2030. Companies such as Danone, are moving more quickly than governments with more aggressive targets to reduce GHG reductions. NZ is unique

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Calf Rearing Conflab

In July 2020, several of our members connected for a ‘Calf Rearing Conflab’. NZARN members a full copy of the presentation is available below if you are logged in. Non-members looking for more information are encouraged to use our ‘contact a nutritionist’ form and ‘member directory’ to find a member who can help them answer their questions. If you

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Lambs and High Quality Forages

Charlotte Westwood BVSc, MANZCFS, PhD, Veterinary Nutritionist; PGG Wrightson Seeds Key drivers for gaining efficiency from high quality forages are getting more lambs finished rather than sold as store, and earlier (which reduces parasite loading), and hogget mating options. Crop options include chicory, plantain, brassicas and irrigated short rotation pastures, with the aim of more

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Positive welfare and good life opportunities

Katie Saunders, Animal Care Team Developer, DairyNZ Things change over time, animal welfare is no different. Over the years there has been more clarity as to what positive animal welfare looks like. The five freedoms of animal welfare have been defined by the Farm Animal Welfare Council: freedom from hunger and thirst, freedom from discomfort,

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A varied diet for improved animal performance, nutrient use efficiency, and welfare

K. Garrett, A. Greer, C. Logan and P. Gregorini, Lincoln University Hypothesis: Conventional farming aims to meet nutrient requirements of the average animal. Dietary diversity and variety could improve health and welfare, product quality and bring environmental benefits. Methods: 7 rams were allocated each to 1. variety, 2. monotonous mix, 3. monotony ryegrass for 40

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