Changing prices of energy sources in animal feedingstuffs call for a re-examination of the costs of various systems of conserving grass as a substitute for barley. Grass drying, bunker and tower silage, and barn haydrying merit special consideration. Yet a balance must be maintained between yield and quality. The risks of over-investment in sophisticated equipment must not be ignored.
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References
1.
Agricultural Research Council (1965) Nutrient Requirements of Farm Livestock No. s. Ruminants: Technical Reviews. ARC, London.
2.
GreenJD, CorrallA J, TerryRA (1965) Grassland Res. Inst. Technical Report No. 8. Grassland Research Institute, Hurley, Berks.
