Abstract
Abstract Major problems in animal production, related to both intensive (developed countries) and extensive (developing countries) production systems have been surveyed Problems relate mainly to quality (developed countries) and quantity (developing countries) of animal products. Quality aspects include characteristics of both, products (direct criteria) and production systems (indirect criteria), whereas quantity in developing countries is mainly limited by the availability of lignocellulose for ruminant feeding. Newer biotechnology includes reproduction technology, monoclonal antibody production, genetic engineering and use of performance enhancers. Possible applications of such technologies in improving both quality and quantity of animal products are discussed and priorities are suggested.
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