AI Article Synopsis
- The study evaluated the potential of cottonseed cake as a substitute for corn silage in fiber-free diets for ruminants, focusing on its effects on ruminal gas production.
- Significant differences were found in the digestibility of dry matter, organic matter, and neutral detergent fiber across the different diets tested.
- The Brody and Ørskov models showed the best precision and accuracy for fitting degradation kinetics, regardless of the fiber source used in the diets.
Article Abstract
Our objectives were to evaluate the use of cottonseed cake in replacing corn silage in a diet without forage and to identify the model with higher precision and accuracy of adjustment of parameters of ruminal degradation kinetics. A diet containing corn silage and another with cottonseed cake as a fiber source were formulated. Gompertz, Dual-pool Logistic, Brody, and Ørskov models were evaluated for goodness of fit to gas production. There were significant differences in dry matter (DM), organic matter (OM), and neutral detergent fiber (NDF) in the in vitro digestibility for diets and fiber sources. The estimated values of the Gompertz (6.77), Brody (6.72), and Ørskov (6.73) models were similar to the observed mean of gas production in the corn silage diet (6.73 mL/100 mg DM). Similarly, the estimated values of the Brody (5.87) and Ørskov (5.89) models were similar to the observed mean of gas production in the cottonseed cake diet (5.87 mL/100 mg DM). The roughage-free diet containing cottonseed cake as a fiber source stimulated higher gas production. Brody and Ørskov models presented higher precision and accuracy in the fitting of kinetics of degradation independent of the fiber source in the diet.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10668660 | PMC |
| http://dx.doi.org/10.3390/ani13223515 | DOI Listing |
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