2020
DOI: 10.3390/ani10112149
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Chopping Roughage Length Improved Rumen Development of Weaned Calves as Revealed by Rumen Fermentation and Bacterial Community

Abstract: Roughage particle size can influence rumen development, which is also determined by rumen microorganisms and their metabolic end-products. Therefore, the aim of this study was to evaluate the comprehensive effects of roughage length and rumen bacterial community on the rumen development of weaned calves. A total of thirty-six weaned Angus female calves (125 ± 3 d; 161.2 ± 13.0 kg) were randomly assigned to three diets differing in roughage particle size: 4 cm (short length); 24 cm (medium length); and 44 cm (l… Show more

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Cited by 9 publications
(9 citation statements)
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“…Ruminal bacteria are responsible for driving ruminal fermentation, which produces VFAs [ 31 ]. Hence, analyzing rumen bacteria is necessary to investigate the reasons for changes in VFAs.…”
Section: Discussionmentioning
confidence: 99%
“…Ruminal bacteria are responsible for driving ruminal fermentation, which produces VFAs [ 31 ]. Hence, analyzing rumen bacteria is necessary to investigate the reasons for changes in VFAs.…”
Section: Discussionmentioning
confidence: 99%
“…Consistent with the growth performance, no significant differences were found in IGF-1 concentrations among the groups. Total protein, including immunoglobulins and nonimmunoglobulin serum proteins, correlates with the immune system of animals (Wang et al, 2020). In young animals, variation in total protein is positively correlated with IgG concentration in the blood (Quigley and Wolfe, 2003).…”
Section: Discussionmentioning
confidence: 99%
“…Based on this study, the apparent digestibility of DM and OM was affected by feeding with different diets. The underlying reason may be that the forage intake of calves in the PV group was the highest ( 24 ). The higher apparent digestibility of OM may have been caused by a greater intake of forages, longer rumination time, and a slower passage rate through the gastrointestinal tract ( 25 ).…”
Section: Discussionmentioning
confidence: 99%