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TheBeefSite Newsletter - 10 April 2013

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Wednesday 10th April 2013.
Michael Priestley - Editor

Michael Priestley

Progress Made in Johne’s Detection and Understanding

Farmers are set to benefit from greater accuracy in Johne’s disease testing thanks to the discovery of an antibody that is 100 per cent specific to the Mycobacterium avium (MAP) bacteria.

The discovery, announced last week, was achieved by a team of ARS research microbiologists headed by John Bannantine. It represents a considerable step forward in the battle against Johne’s which causes average yearly losses of $40-220 per animal, according to USDA data.

Prior to last week’s announcement, antibodies used to detect Johne’s disease reacted to a host of other bacteria. This included environmental and bovine tuberculosis bacteria meaning results could incorrectly show positive.

“You may think cattle are infected, based on a positive antibody test result, but they may simply have been exposed to nonpathogenic mycobacteria that are ubiquitously present in the environment,” explained John Bannantine.

The discovery comes after considerable efforts over recent years. Back in 2005 researchers were led on a ‘wild goose chase’ by an antibody developed from mice temporarily believed to be specific to K-10 a strain of MAP.

Eventually the team concluded that the antibody, Named UP1 (Unique Protein 1), was not an actual gene. This realisation was important in arriving at the current outcome.

Whilst not being a gene, UP1 had an epitope which is the name given to the part of the molecule where the antibody can bind.

Now researchers are able to accurately test for the Johne’s pathogen in certainty that the reaction is not to a contaminant from the environment.

An important step has also been taken in the examination of Johne’s vaccines cross reacting with bovine tuberculosis. Now scientists believe vaccinating for Johne’s does not interfere with TB tests.

The experiment looked at cross reactivity of an ‘effective’ US commercial vaccine with tuberculosis tests in calves.

Scientists at the National Animal Disease Centre took serology samples and skin tests over a year and noted no reactivity.

Lead Scientist at the Animal Disease Centre, Professor Judy Stabel said the results were ‘promising’ and aided by the relative ease of new serological tests.

Professor Stabel stated that the new serological tests have resulted in practical as well as knowledge benefits.

Rather than handling each animal twice to obtain a blood sample and then take a skin test, Prof Stabel said time and money can now be saved by only having to handle stock once for a single blood reading.

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This Weeks Articles and Analysis

Forage Use in the Beef Industry
Varying forage type, better grazing management and a dogmatic cattle finishing programme are all management techniques available to feed more efficiently, according Derrell Peel, Oklahoma State University Extension Livestock Marketing Specialist.

Big Picture Approach Key to a Successful Grazing System
The false economy of overgrazing, understanding the requirements of marginal and riparian areas and the 365 day concept of the grazing season are the subjects of an Alberta government interview with Grant Lastiwka from the Alberta Ag-info Centre.

Comparative Efficacy of Two Ivermectin Pouron Anthelmintics in Beef Steers in a Commercial Feedyard
Two brand name wormers (Vetrimec and Ivomec) were trialled against each other on a sample of 200 newly arrived feedlot steers by A.J. Tarpoff, D.U. Thomson, B.W. Wileman, T. Guichon,and C. D. Reinhardt as part of a study that reviewed the differences between generic and brand treatments.

Improving Animal Welfare and Economic Sustainability in Bull Fattening Systems in France: A Comparison of Three Different Feeding Programmes
Feeding late maturing young bulls on high concentrate diets needs adjustment of both animal feeding behaviour and rumen adaptation which can be done by feeding maize silage according to researchers at the National Institute of Agronomic Research, Saint-Genès Champanelle, France who state good economic results are achievable alongside animal welfare.

Kilos and Costs - the Profit Drivers
Understanding the profit drivers in beef production is not a complex exercise, according to the facilitator of six Beef Profit Groups in northern New South Wales.

Company News

Mycofix App Now Available for iPhone and iPad
GLOBAL - Biomin has launched the Mycofix app, which is now available for iOS and Android devices.
Novus Talks About Food Safety, Poultry Nutrition & Sustainability
SOUTH AFRICA - Novus International, Inc is excited to participate of the 4th Global Feed & Food Congress (GFFC) which will take place on 10-12 April in Sun City, South Africa. This important meeting was organized by the International Feed Industry Federation (IFIF), with support by the Food and Agriculture Organization of the United Nations (FAO).
Global Beef Industry News


Australian Beef Exports to China Rising
Chinese Food Prices Keep Falling

   European Union

New Director-General for Agriculture and Rural Development
EU Cattle Herd Increases 1.1 per cent
Campylobacter E. coli Cases Rise Salmonella Falls
Does Having Protected Geographical Status Boost Product Values?

   United States

CME: Livestock, Grain Markets Still Reeling from USDA Reports
Nationwide Coalition Urges USDA to Protect Integrity of COOL
Idaho Brucellosis Outbreak Prompts Inspection Step-Up
What Is the Most Devastating Disease for US Cattle?
CME: Futures Settle Higher After Choppy Wednesday
Conagra Reports Decline in Profits
CME: Spring Beef, Pork Prices Impacted by Export Challenges
Monitor Cow Condition to Ensure Successful Breeding
CME: Thursday Futures Fade With Cash Cattle $128
NFU Announces Beginning Farmer Institute Participants
Weekly Cattle Outlook: Jobs, Meat Nomencalture and Funding Could Alter Markets Picture
CME: Futures Lower to $1.22, Friday
Trade Barriers and Slow Demand Limit February Exports
Preparing Livestock in a Flood Zone
Supplement Your Feed to Avoid Grass Tetany
CME: June Cattle at $122.02 on Monday
Summit Provides Insight on Food Safety, Ag-Gag Law
Delivering a Virus that Gets Rid of House Flies
CME: Export Data Good for Beef; Not so Good for Pork
Reduce Hay Wastage By Considering Ring Feeder Changes
Count Alfalfa Stems To Understand Root Health and Growth Potential
CME: USDA Expected to Revise Estimates of Corn Ending Stocks
CME: April Closes Higher After Choppy Tuesday


Financing Schemes see Excellent Uptake


March Rains Cause Problems For Thousands of Farmers


Marfrig Sees Large Revenue and Profit Growth
Booming Domestic Market to Satisfy Production Supply


Investigation into Animal Mishandling Clears Australian Company

   United Kingdom

On-Farm Burial of Carcases Allowed for Farmers Affected by the Bad Weather
New Brucellosis Guidelines Released
Bull Buyers Select for Profitability Traits
Vion Succesfully Completes Sale for UK Red Meat, Poultry
LMC: Weekly Report Confirms Buoyant Market
LMC:Slaughter Update Shows Tight Supplies and Competition

   Russian Federation

OIE Reports FMD Outbreaks in Zabaykalsky Krai
FMD NEWS: OIE Reports FMD Outbreaks in Zabaykalsky Krai
Miratorg Shows Growth


MLA: Weekly Cattle Summary
Sustainability Push Offers Land Owners Money Making Opportunities
Feedlot Findings Drive Gains


Strong Irish Beef Prices Continue


Grass Tetany Prevention


Climate Change Blamed for Tick Spread


Food Waste has Environmental Downside

   New Zealand

Tuberculosis Reported in Taranaki
So Far So Good With Emergency Forage Shipping


OIE: Rabies Identitified in Greece After 25 Years


The Drost Project - A Visual Guide to Porcine, Pig Reproduction.
Biomin - Mycotoxins
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