1. ASPA, 1995. Metodi di analisi del latte delle principali specie di interesse zootecnico (Methods of milk analysis for the principal dairy animals). Università degli Studi di Perugia Ed., pp. 1–224
2. Barillet, F., 1985. Amélioration génétique de la composition de lait des brebis. L'example de la race Lacaune (Genetic improvement for ewe milk composition. The case of Lacaune breed). Ph.D. Thesis, INRA Paris-Drignon, 144 pp
3. Studies on dairy production of milking ewes I. Estimates of genetic parameters for total milk composition and yield;Barillet;Génét. Sél. Evol.,1987
4. Bergonier, D., Lagriffoul, G., Berthelot, X., Barillet, F., 1996. Facteurs de variation infectieux des comptages de cellules somatiques chez les ovins et caprins latiers (Non-infectious factors of somatic cell count variation in dairy ewes and goats). In: Rubino, R. (Ed.), Proc. of the Inter. Symposium on Somatic Cells and Milk of Small Ruminants, Bella, Italy, EAAP Publication no. 77, 25–27 September 1994, pp. 113–135
5. Ambiente, alimentazione e qualità del latte (Environment, feeding and milk quality);Bertoni;Informatore Agrario,1996