September 1, 2024Journal of Animal Science

PSIX-20 Effect of protein and starch level on N balance and ruminal fermentation parameters in steers consuming low-quality forage: Bos taurus indicus

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Authors

JCJodi R CoxMitchell Institute TWTryon A WickershamMitchell Institute

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Implication

Latin square trial demonstrates that supplemental starch does not alter nitrogen balance or volatile fatty acids in Brahman steers, suggesting limited benefits on low-quality forage.

Key Points

Supplemental starch levels ranging from 2% to 56% do not significantly alter nitrogen retention, total urinary nitrogen excretion, or overall volatile fatty acid profiles.
Urinary ammonia-nitrogen excretion decreased quadratically from 9.5% to 5.4% before rising to 6.9%, while total nitrogen intake remained unaffected across all diet treatments.
In a 4 × 4 Latin square design using 5 ruminally cannulated Brahman steers fed low-quality forage, starch addition did not alter fermentation; bovine model requires field validation.

Cite This Study

Cox et al. (2024) studied this question.

synapsesocial.com/papers/68e59fa4b6db643587539e77 https://doi.org/10.1093/jas/skae234.831

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Implication

Latin square trial demonstrates that supplemental starch does not alter nitrogen balance or volatile fatty acids in Brahman steers, suggesting limited benefits on low-quality forage.

PSIX-20 Effect of protein and starch level on N balance and ruminal fermentation parameters in steers consuming low-quality forage: Bos taurus indicus

Discussion

Member takes

Implication

Key Points

Cite This Study

PSIX-20 Effect of protein and starch level on N balance and ruminal fermentation parameters in steers consuming low-quality forage: Bos taurus indicus

Discussion

Member takes

Implication

Key Points

Cite This Study

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