Performance, nutritional behavior, and carcass characteristics of feedlot lambs fed diets with non-forage fiber source or sodium bicarbonate

Vicente, Ana Carolina Silva; Carlis, Matheus Sousa de Paula; Santos, Isabela Jorge dos; Silva, Adrielly Lais Alves da; Júnior, Paulo César Gonzales Dias; Assis, Rhaissa Garcia de; Sturion, Thamires U; Biava, Janaína Socolovski; Pires, Alexandre Vaz; Ferreira, E.

doi:10.1007/s11250-022-03297-2

Cited by 4 publications

(1 citation statement)

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“…But this did not happen. In a companion paper (VICENTE et al, 2022) we evaluated the same diets and its effects on performance, nutritional behavior, and carcass characteristics and we reported a difference in DMI between CONT and SB diets. This difference was attributed to the smaller particle size of the diet containing soybean hulls that may have increased the passage rate and also to the lower energy density of the CONT.…”

Section: Intake Apparent Nutrient Digestibility and N Balancementioning

confidence: 99%

Intake and apparent nutrient digestibility, ruminal parameters, and nitrogen balance of lambs fed with corn and forage-free diets with sodium bicarbonate

et al. 2023

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This study evaluated forage-free diets supplemented with sodium bicarbonate (SB) based on ground flint corn on intake, apparent nutrient digestibility, ruminal parameters, and N balance. Four rumen-cannulatedDorper × Santa Inês lambs, with a body weight of 43.4 ± 0.85 kg (mean ± standard deviation) were used. The experimental design was a 4×4 Latin square. Each experimental period lasted 21 days. Experimental diets were: positive control, a diet without SB containing 400 g/kg DM of soybean hulls (CONT), and three diets based on ground flint corn, containing 10 (10SB), 20 (20SB) or 30 (30SB) g/kg DM of SB. Intake of neutral and acid detergent fiber was greater for CONT (P < 0.01) when compared to SB. Intake and apparent nutrient digestibility of dry and organic matter, ether extract, and crude protein did not differ. Intake (P = 0.01) and digestibility (P < 0.01) of non-fiber carbohydrates were greater for SB diets and neutral detergent fiber digestibility was greater (P = 0.03) for CONT. The total digestible nutrients and metabolizable energy were greater for SB (P = 0.04). Rumen concentrations of acetate (P < 0.01), isobutyrate (P < 0.01), butyrate (P < 0.01), isovalerate (P < 0.01), and total short-chain fatty acids (P < 0.01) were greater for CONT. Ruminal pH showed a quadratic (P = 0.05) response to SB levels, with greater values for 20SB. Sodium bicarbonate was efficient in increasing ruminal pH at the level of 20 g/kg DM without interfering with the intake and apparent nutrient digestibility characteristics.

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Section: Intake Apparent Nutrient Digestibility and N Balancementioning

confidence: 99%