389 Energy values of wheat bran are additive in corn–soybean meal–based swine diets

Lee, S. H.; Jo, Hyunwoong; Kim, Beob Gyun

doi:10.2527/asasann.2017.389

Cited by 1 publication

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“…In ruminants, energy concentrations may not be additive if a mixed diet is composed of forages and readily available carbohydrates due to changes in pH value, volatile fatty acid production, and microbial activity in the rumen which significantly affect energy metabolism [ 10 ]. In contrast to ruminants, the DE and ME values in feed ingredients for pigs are known to be additive in the mixed diets containing feed ingredients including corn, soybean meal, camelina cake, and wheat bran [ 11 , 12 ]. The additivity assumption on energy concentrations in swine diets may be violated if the proportion of a high-fiber ingredient in a mixed diet is very high likely due to negative effects of dietary fiber on energy digestibility of other ingredients.…”

Section: Discussionmentioning

confidence: 99%

Additivity of digestible energy and nutrient concentrations in hatchery byproducts fed to nursery pigs

Sung

Kim

2022

Anim Biosci

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The objective was to test additivity of digestible energy and nutrient concentrations in the hatchery byproduct mixture fed to nursery pigs. Methods:In the previous studies, energy, phosphorus, calcium, and amino acid digestibility of infertile eggs, unhatched eggs, culled chicks, and a mixture of 3 hatchery byproduct ingredients was determined in nursery pigs (initial body weight = 9.4 to 14.2 kg). An additivity test was conducted using these determined values.Results: No difference was observed between determined and predicted metabolizable energy values in the mixture (4,224 and 4,203 kcal/kg as-is basis, respectively). Measured standardized total tract digestible phosphorus in the mixture was less than the predicted value (4.5 vs. 5.3 g/kg as-is basis, respectively; p<0.05). Measured standardized total tract digestible calcium in the mixture was greater compared with the predicted value (40.0 vs. 31.7 g/kg as-is basis, respectively; p<0.05). Measured standardized ileal digestible tryptophan in the mixture was greater than the predicted value (3.7 vs. 3.1 g/kg as-is basis, respectively; p<0.05) whereas other amino acid values were additive. Conclusion:Energy and most of amino acid concentrations in hatchery byproducts are additive in the mixture fed to nursery pigs.

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Section: Discussionmentioning

confidence: 99%