Contiene, además, las siguientes presentaciones:Sanidad, fitopatología por Silvina Stewart; Sanidad, entomología por Ximena Cibils; Calidad de la semilla por Silvana González; Fijación biológica de nitrógeno por Elena Beyhaut.

Divergenl genelic seleclion for wool growth as a single Irail has led lo major changes in sheep physiology, including varialions on rumen microbial prolein produclion and uplake of amino nilrogen in portal blood, This sludy was conducled lo delermine if sheep wilh differenl genelic meril for wool growth under commercial condilions have dislincl rumen baclerial populalions, Eighleen Merino welhers were separaled inlo groups of conlrasling eslimaled breeding values for c1ean fleece weighl (CFW; Low-FW and High-FW) and fed an oaten:lucerne chaff diel al two levels of inlake (U; 1,Q-M or 1,5-M