1. Diseases associated with prolificacy;Aitken,1996
2. Official Methods of Analysis,1980
3. ASPA, 1995. Metodi di analisi del latte delle principali specie d’interesse zootecnico (methods of milk analysis in animal husbandry).
4. Effect of prepartum dry matter intake on liver triglyceride concentration and early lactation;Bertics;J. Dairy Sci.,1992
5. Effetti dell’alimentazione sul quadro endocrino e metabolico degli animali da latte (effects of feeding on endocrine and metabolic profile in dairy farms);Bertoni,1991