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2. Volatile fatty acids in the rumen of sheep fed grass, unwilted and wilted silage, and barn-dried hay;Anderson;J. Ag. Sci., Cambridge,1971
3. The amount of produced methane energy in the European metabolic experiments with adult cattle;Axelsson;Annual Report of Agricultural College, Sweden,1949
4. The effect of stage of harvest of maize silage on the concentration and efficiency of utilisation of metabolisable energy by lactating dairy cows.;Beever,1998
5. Energy balance for dairy cows giving grass silage with either barley or molassed sugar beet feed in the concentrate;Beever;Animal Prod,1991