Ligios, Sebastiano and Fois, Nicola and Molle, Giovanni and Olivieri, Rita and Casu, Salvatore (1997) Confronto fra sistemi foraggero-zootecnici per ovini da latte in ambiente asciutto: nota II: risultati zootecnici del triennio 1990-93. Rivista di agronomia, Vol. 31 (1 suppl.), p. 320-322. ISSN 0035-6034. Article.
Three 5 ha dairy sheep systems with different input levels were compared during three years. The percentage oftotal system
area conventionally cultivated each year was equal to 80%, 20% and 30% in systems C, EPM and EPMP respectively. Each
system was rotationally grazed by 30 dairy ewes. Milk yield was significantly higher in EPM group, the total annual yield for each
system being equal to 1.10 (C), 1.33 (EPM) and 1.17 (EPMP) t ha-1 of milk. Hay consumption tended to be lower in the system
EPM in comparison with system C and EPMP averaging to 0.30 (EPM), 0.34 (C) and 0.36 t ha-1 of DM (EPMP). On the basis of
overall results, the EPM system showed the best performances.
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