In Australia, for cattle to be certified grain fed they need to have been finished on a grain ration for a minimum of 100 days in a National Feedlot Accreditation Scheme (NFAS) accredited feedlot.
These animals are raised on grass for the majority of their lives and then transitioned to grain-based diets. Use of grain depends on customer requirements and seasonal conditions – about one third to one half of Australian beef is grain finished. The Australian grass and grain-fed production systems are highly complementary, interrelated and dependent upon each other.
Why are cattle grain-fed?
Cattle are fed grain for numerous reasons, most commonly to maintain a predictable meat supply and meet the specific needs of customers and markets (for example the need for marbled beef), meet the energy needs of animals when pasture is limited (such as a drought) and to increase animal weight to required carcass specifications.
What grains do they eat?
The high energy rations for lot fed cattle are developed by animal nutritionists and compose of cereal grains (wheat, barley, sorghum), fibre (hay and silage), protein (cottonseed, canola meal and molasses), vitamins and minerals. These ingredients are different to those used in the U.S, where soy and corn predominate.
Combination of ingredients in Australian
What are the differences between grain-fed and grass-fed beef?
Grass-fed and grain-fed beef have more similarities than differences. They both provide an excellent source of essential nutrients including iron, zinc, protein and B vitamins.
In terms of texture and flavour, personal preference tends to play a large role.
The above information is adapted from the Australian Lot Feeders Association and Meat Livestock Australia.
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Published on: Nov 10, 2022