Effects of Partial Replacement of Maize Stovers with Potato Culls on In Situ Digestion Kinetics of Cannulated Buffalo Bull
DOI:
https://doi.org/10.55627/agrivet.004.01.0999Keywords:
Maize Stovers, Potato Culls, Digestibility, Buffalo, BullAbstract
This in situ study was conducted to determine the impact of replacing maize stovers with potato culls on the digestion kinetics of dry matter (DM) as well as neutral detergent fiber (NDF) and rumen characteristics. Four diets; A, B, C and D were formulated. A ruminally cannulated Nili-Ravi buffalo bull was used in a completely randomized design to study in situ digestion kinetics of diets. The diet A contained maize stovers alone and diet B, C and D contained maize stovers and potato culls in ratio; 95:05; 90:10 and 85:15, respectively on dry matter basis. Two weeks were offered as adaptation period for each experimental diet while 3rd week for data collection. The bull was kept in separate pen and fed for four periods. The bull was fed the respective diet ad libitum. The nylon bags containing experimental diets were incubated in rumen for 0, 1, 2, 4, 6, 10, 16, 24, 36, 48 and 96 hours (h), respectively. The residual of bags was weighed and analyzed for DM and NDF. The collected data were analyzed in a completely randomized design by analysis of variance and means were compared by Duncan’s multiple range test. The digestibility of DM and NDF was increased with increasing the level of potato culls. Likewise, extent of digestion of DM and NDF was also improved with increasing the level of potato culls. The lag time was reduced while rate of digestion was increased with increasing the replacement of maize stovers with potato culls. There was decrease in rumen pH at 6 h post feeding. The rumen ammonia N decreased with increasing the level of potato culls at 6 h post feeding. Total bacterial count was increased with increasing the level of potato culls at 6 h post feeding. In conclusion, maize stovers DM and NDF digestion kinetics can be improved by partial replacement with potato culls resulting to enhance the utilization of maize stovers.
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Copyright (c) 2025 Muhammad Talha Arshad, Asif Javaid, Imtiaz Hussain Raja , Muhammad Uzair Akhtar , Zeeshan Muhammad Iqbal , Adeel Ahmad , Faisal Siddique , Sana Najeeb
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