Abstract Six rumen-cannulated Nellore steers (407 ± 24 kg initial body weight) were used in a 6 × 6 Latin square design experiment to evaluate the effects of soybean oil (SO) or… Click to show full abstract
Abstract Six rumen-cannulated Nellore steers (407 ± 24 kg initial body weight) were used in a 6 × 6 Latin square design experiment to evaluate the effects of soybean oil (SO) or various levels of whole cottonseed (WC) in finishing diets. Treatments consisted of five levels [0, 8, 16, 24, and 32% of dry matter (DM) basis] of WC in diets containing 80% concentrate and one diet formulated to contain a similar concentration of lipid (DM basis) as diet WC32 but without WC, rather using SO. Increasing levels of WC decreased the intake of DM, non-fibrous carbohydrate, and total digestible nutrients (linear; P ≤ 0.01), tended to decrease the intake of crude protein (linear; P = 0.10), but didn't affect the intake of neutral detergent fiber (P = 0.12). The intake of total fatty acids increased (linear; P
               
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