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Test feed – why bother?
This is a question we are often confronted with
at Feedtest. The ability to develop economic feeding strategies: Hay,
silage, grain etc are used primarily in broad scale livestock enterprises
as a supplement to achieve a particular outcome. Without some knowledge of the quality of the feed, a producer’s ability to predict the outcome is severely limited and assessment of success or failure is restricted to ‘after the event’ when it’s too late. Some examples: 1.
In our database we see a range in energy in oats of 8.8 MJ to 15.1 MJ.
2. If we feed beef steers silage and we look at the range of quality in our database (Protein 5% – 25% and ME of 7.2 – 11.2MJ) and select 10% and 16% as representative protein tests and 9.5 and 10.5MJ of energy we get a similar story.
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The level of production almost doubles with an increase of one unit of energy at the same protein level. The protein and energy level of the silage tells you a lot about your management of the silage both pre and post harvesting. 3. If we look at dairy cows fed the same silage as above as the sole ration, the comparisons are similar.
These
figures demonstrate how important it is to know the feed value of your
grain, hay or silage. An objective assessment of feed quality: Traditionally people used their own subjective methods to assess feed quality. How many times have you seen a farmer smell or taste hay or comment on its colour and then declare it good or bad? Similarly, people often determine grain that is pinched to be of low quality based purely on appearance.
The truth is that such methods are unreliable. A realistic basis for pricing feeds: Quality
results have allowed the trade of feeds to be based on predetermined prices
established for proteins or energies of certain levels. Why pay top price for feed which may have little nutritional value? By
using the Feedtest service reliable |
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FEEDTEST 260 Princes Hwy, Werribee VIC 3030 Phone: 1300 655 474 (toll free) Fax: (03) 9742 0577 Email: feed.test@agrifood.com.au |
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