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Eagle House
Llansantffraid
Powys
SY22 6AQ
T: 01691 828512
F: 01691 828690
www.wynnstay.co.uk
Media Release
7th October 2009
Feeding a moist ration to dairy cows may be a false economy
Dairy farmers can increase milk production simply by challenging the current trend of using moist feeds in their cows diet.
That is according to Steve Brown, ruminant feeds product manager for Wynnstay, who believes that there is evidence to suggest that dairy farmers should question both the nutritional and financial wisdom of including too much moist feed in the diet of highly productive dairy cows.
The current economics of dairy farming mean that it is all too easy for farm and herd managers to be won over by the price per tonne of moist feeds. But it is essential to remember that there are no calories in water, Mr Brown remarks.
In order to assess the real cost, Mr Brown advises farmers to always convert the price per tonne to a dry matter price.
An 80/tonne wet feed with a 35% dry matter content, energy content of 14MJ/kg DM, crude protein of 350g/kg DM (35%) and oil content of 100g/kg DM (10%) seems at first sight to be good value, Mr Brown explains. However, on an as fed basis each kilo will only actually deliver 4.9MJ/kg of energy, 12.25% crude protein and 3.5% oil.
Therefore, in order for each cow to receive the quoted nutrient values, the cost per tonne must be divided by the dry matter content (e.g. 80 divided by 0.35). All of a sudden, the 80/tonne price tag rises to a considerably less attractive 228.57 per tonne of dry matter.
Evidence of the benefit of switching from a moist feed to a dry blend has been seen on a high yielding dairy herd in South Wales. The herd was originally receiving 10kgs/head/day of a 50% dry matter moist feed as part of the daily ration, Mr Brown explains. When the herd was moved onto a Wynnstay dry blend with an equivalent nutrient specification, milk output increased within a week by 1.2 litres per cow across the entire herd.
The change in diet was achieved at a similar cost per tonne of dry matter, giving the equivalent of an extra 11,000 of milk per year for every 100 cows at a milk price of 25 pence per litre. The herds fertility status and milk quality also improved as a result of a less acidic rumen environment. And with fewer feed lorries coming up the farm drive, there are additional time and administrative savings to be made, Mr Brown states.
This isnt a new theory by any means, Mr Brown continues. Professor Boutflower proved in the 1930s that animals should drink water, not eat it, when Cirencester Beauty of the Steadings Herd produced 58,300 litres of milk in five lactations from a high dry matter ration. That is equivalent to an average of 11,660 litres per lactation a significant yield by any standards, especially when you consider that the cow in question wasnt a pedigree Holstein.
-Ends-
Notes to editors:
The Wynnstay Group, which is based in Llansantffraid, Wales, manufactures and supplies agricultural products and services for farmers across the UK.
The Group has 40 retail outlets, including 28 Wynnstay Stores which are spread over a broad regional area including Shropshire, Staffordshire, North and Mid Wales, Worcestershire, Herefordshire, and Lancashire.
Wynnstay Stores carry a portfolio of products, catering for the needs of farmers and rural dwellers.
For more information, visit the Wynnstay website at: www.wynnstay.co.uk
For further information, please contact:
Steve Brown
Mobile: 07774 855026
Issued by:
Paul Jennings, ABC Limited
Office: 01694 731914
Mobile: 07515 260331
This news release can be downloaded directly from the ABC Press Centre at www.abccomms.co.uk
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