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- Algunas ideas sobre el concepto de "raza" en animales domésticos
- Genetic improvement systems of dairy cattle in different countries
- Selection methods to improve a genetics character
- Crossbreeding and heterosis
- La cesión de sementales, el control de producciones y el programa de selección en Rasa Aragonesa del Servicio de Mejora Ovina de la Excelentísima Diputación Provincial de Zaragoza
- Nº.01. Selection and improvement of sheep.
- Nº.02. Selection of local populations of sheep destined for meat production.
- Nº.04. Improvement of the nutritional value of agricultural by-products.
- Nº.05. The classification of sheep and cattle carcasses. Hygienic and sanitary standards required for export.
- Nº.03. Fertility, fertility and prolificacy in sheep.
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