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TheDairySite Newsletter - 31 July 2015

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Friday 31st July 2015.
Michael Priestley - Editor

Michael Priestley

MSD Animal Health

Nettles Could Sting Rumen Acidosis

Rumen acidosis could be reduced by feeding nettles, a University of Reading study has concluded, although researchers aren’t sure why.

Test tube studies have found stinging nettle (Urtica dioica) haylage increased the pH of a rumen fluid by 30 per cent for a period of a week in place of ryegrass silage (Lolium perenne).

Feed intake reduced in the six lactating Holstein-Friesian cows fed the ration but no reduction in milk yield was seen and rumination time dropped as nettle inclusion increased.

The discovery, researchers said, could be of potential use for systems feeding grain heavy diets but two possible reasons could be behind the nettle's effect on maintaining rumen pH. 

“It is not certain if the effects observed were due to differences in the chemical composition of grass versus nettles or specific bioactive components of stinging nettles,” the report said.

Diets containing more nettles reduced the time rumen pH was at 5.5, the critical level for rumen acidosis.

This trial builds on a 2005 study, also from the University of Reading, which found that stinging nettles could “maintain a significantly elevated” pH in a test tube medium. The same was true for lettuce leaves.

Both papers form a body of research looking at the function of 500 plant extracts as part of European Commission initiative Rumen-Up, a research programme started in 2005 to find new plants to make ruminant production more sustainable.

The project aims to reduce pollution - methane and nitrogen - and improve animal welfare by dealing with bloat and acidosis, while exploring alternatives to antibiotic growth promotion.

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This Week's Articles and Analysis

Silvopastoral: Could it Work on My Farm?
Interest in growing in grazing systems that combine livestock and trees - or silvopasture.

How Should the Valuable Resource that is Livestock Slurry be Stored?
New research from the UK's Rothamsted Research and the University of Milan, Italy, considers the impact of mechanically separating livestock slurry into a liquid and solid fraction during storage on ammonia and greenhouse gas emissions.

Market Reports

UK July 2015 Farming and Food Brief
USDA Agricultural Prices - June 2015
UK United Kingdom Price, Volume and Composition of Milk - June 2015
USDA Dairy Products - 30 July 2015
Dairy Australia - Market News - 28 July 2015
USDA Cattle on Feed - 27 July 2015
USDA Cattle - 27 July 2015
Australian Rural Commodities Wrap - 24 July 2015

Global Dairy Industry News

   European Union

Advanced Direct Payments Demanded for Struggling Dairy Farmers


China Signs Australian Health Protocol for Slaughter, Feeder Cattle
Don’t Be the Last Cow Out of the Parlour


Germans Reduce Animal Antibiotic Use

   United States

Consumers Do Not View GMO Labels as Negative 'Warnings'
Cover in Times of Crisis: Cover Crops
Toxic Poisoning Warning from Dakota Cattle Expert
US Cattle Farmers Do Not Want Trade War with Canada and Mexico
Georgia Soils Improved By Intensive Grazing
Bovine TB Strikes Twice in Michigan
Algae Has Bright Future in Animal Feeds
Study Finds US Consumers Use COOL in Purchase Decisions


Trans-Pacific Partnership Negotiators Meet for 'Decisive' Talks
Beating BRD with Ear Tags


Further Foot and Mouth Outbreaks Reported in Zimbabwe
Zimbabwe Foot and Mouth Situation Worsened by Wild Buffaloes
Wildlife Increases Foot and Mouth Spread Among Zimbabwean Cattle


Ambitious Plans for Kyrgyzstan Dairy Sector

   New Zealand

Changes to New Zealand Farm Safety Afoot
New Zealand to Stop Animal Antibiotic Use by 2030

   United Kingdom

Britain Boasts More Cheeses than France
Farmers Escape Rat Rule For Now
Partnerships Needed for Successful, Sustainable UK Farming Sector


More Ecological Requirements for Chinese Agriculture


Ireland Plans to Have Europe's Fastest Growing Dairy Industry


New Strong Player in Fast Growing Mozzarella Market


Partnerships, Innovation Bridge Global Food Supply Gap


Brazil Added Poland and Now Must Farm Smarter


The Drost Project - A Visual Guide to Porcine, Pig Reproduction.
Antimicrobial Resistance
Biomin - Dairy Heifer: How to Get a Fast Start to Greater Lifetime Profit
US Sales Manager Wanted - 5m Publishing


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Life Technologies
Zoetis - For Animals. For Health. For You.
Biomin - The Natural Way

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