Canola meal in cattle rations (In Greek)
Authors: Valergakis, G.E.; Valergakis, G.E.; Oikonomou, G.; Oikonomou, G.
Source: Journal of the Hellenic Veterinary Medical Society, Volume 57, Number 4, October - December 2006 , pp. 315-329(15)
Publisher: Hellenic Veterinary Medical Society
Abstract:European Union's policy to promote the production of "bio-fuel" from "energy plants" creates a favourable perspective for rapeseed production in Greece. Rapeseed oil is used to produce "bio-diesel" and after its extraction, a high-protein meal results. Greece is a net importer of protein feeds, which means that a great opportunity arises for the local animal industry. It must be noted that the varieties of rapeseed that are currently used ("canola" or "double zero") contain only minimum amounts of the toxic factors (erucic acid and glucosinolates) of older varieties. In this study, we present: a) the oil extraction method which can affect the quality of canola meal, b) the chemical composition, the nutritive value and the qualitative characteristics of canola meal's nitrogen fraction, c) the use of canola meal in cattle rations and the productivity of cattle receiving these rations and d) the results of a simulation concerning the use and the profitability of canola meal under Greek conditions. Canola meal has a lower nutritional value compared to soybean meal, but not compared to cottonseed and sunflower meals. It presents some interesting features, namely a high methionine, calcium and phosphorus content and significant amounts can be included in balanced cattle rations (15-20% of dry matter), without any negative effect on feed consumption or animal productivity. Canola meal use in cattle rations is profitable when its price is less than 70-75% of that of soybean meal.
Document Type: Review Article
Publication date: October - December 2006
- J Hellenic Vet Med Soc is covered by THOMSON REUTERS Science Citation Index Expanded & Journal Citation Reports/science edition J Hellenic Vet Med Soc is a Quarterly Journal and it is the only scientific veterinary journal in Greece which is published in English and Greek language. It publishes exclusively original scientific papers, research, original and review articles, short communication, retrospective study of case reports as well as special articles, covering all fields of the veterinary science. Its scope is to disseminate the updated veterinary knowledge among its members and to encourage veterinarians to write and publish scientific papers. Submitted articles are always peer reviewed by academic scientists and experienced practitioners, who hold postgraduate titles (MSc, MPhil, PhD, Diplomates etc) and are specialists in their fields.
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