Intake and apparent digestibility of nutrients, ruminal ammonia concentration, ruminal pH,
and microbial protein synthesis were evaluated in sheep fed diets containing Stylosanthes
cv. Campo Grande silage (StS) or corn silage (CS) with and without concentrate [C; 40%
of the dry matter (DM)]. Four sheep with an average initial body weight of 41
±
2.68 kg
were used and were distributed in a 4
×
4 Latin square design, arranged in a 2
×
2 factorial
scheme. The StS diets with C showed similar intake of DM and total digestible nutrients
(TDN) (P > 0.05) in comparison with CS diet with C. However, in the diets without C, StS
showed lower intake of TDN than CS (P < 0.05). The digestibility of organic matter (OM) did
not differ between the StS and CS in the diets with C (P > 0.05). The efficiency of microbial
protein synthesis was also similar (P > 0.05) between the StS and CS diets with C (59.13
and 66.11 g CP/kg TDN, respectively). The Stylosanthes cv. Campo Grande silage is a suitable
roughage source to feed sheep, in diets containing 40% concentrate in the total DM
Intake and apparent digestibility of nutrients, ruminal ammonia concentration, ruminal pH,and microbial protein synthesis were evaluated in sheep fed diets containing Stylosanthescv. Campo Grande silage (StS) or corn silage (CS) with and without concentrate [C; 40%of the dry matter (DM)]. Four sheep with an average initial body weight of 41±2.68 kgwere used and were distributed in a 4×4 Latin square design, arranged in a 2×2 factorialscheme. The StS diets with C showed similar intake of DM and total digestible nutrients(TDN) (P > 0.05) in comparison with CS diet with C. However, in the diets without C, StSshowed lower intake of TDN than CS (P < 0.05). The digestibility of organic matter (OM) didnot differ between the StS and CS in the diets with C (P > 0.05). The efficiency of microbialprotein synthesis was also similar (P > 0.05) between the StS and CS diets with C (59.13and 66.11 g CP/kg TDN, respectively). The Stylosanthes cv. Campo Grande silage is a suitableroughage source to feed sheep, in diets containing 40% concentrate in the total DM
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