Table-5.
Effect on TVFA and its fractions (mM/100 ml) and molar proportion (mol/100 mol) in rumen liquor of fistulated crossbred cattle and buffaloes fed various TMR diet.
| Attributes | 60C:20W: 20G | 40C:30W: 30G | 20C:40W: 40G | Mean±SE | SEM | p values | |||
|---|---|---|---|---|---|---|---|---|---|
| T1 | T2 | T3 | Cattle | Buffalo | T | S | T×S | ||
| Acetate, C2 | 8.95±0.26 | 9.02±0.39 | 8.54±0.28 | 9.26p±0.24 | 8.41q±0.24 | 0.18 | 0.47 | 0.02* | 0.32 |
| Propionate, C3 | 2.16±0.12 | 2.13±0.15 | 2.00±0.12 | 2.21±0.12 | 1.98±0.08 | 0.07 | 0.67 | 0.13 | 0.77 |
| Butyrate, C4 | 2.28b±0.17 | 1.93ab±0.09 | 1.65a±0.17 | 2.07±0.13 | 1.84±0.13 | 0.09 | 0.02* | 0.20 | 0.95 |
| TVFA | 13.65±0.47 | 13.36±0.62 | 12.39±0.50 | 13.76p±0.42 | 12.50q±0.43 | 0.31 | 0.22 | *0.045 | 0.64 |
| Acetate, C2 | 65.77a±0.68 | 67.64ab±0.50 | 69.26b±1.15 | 67.49±0.64 | 67.62±0.84 | 0.52 | 0.02* | 0.44 | 0.45 |
| Propionate, C3 | 15.77±0.53 | 15.86±0.46 | 16.11±0.55 | 16.02±0.53 | 15.81±0.26 | 0.29 | 0.29 | 0.24 | 0.60 |
| Butyrate, C4 | 16.58b±0.89 | 14.49ab±0.41 | 13.14a±1.31 | 14.99±0.77 | 14.48±0.89 | 0.58 | 0.02* | 0.44 | 0.62 |
| A:P or (C2:C3 ratio) | 4.22±0.13 | 4.30±0.13 | 4.34±0.13 | 4.28±0.13 | 4.29±0.07 | 0.07 | 0.32 | 0.30 | 0.48 |
| (A+B):P or (C2+C4):C3 ratio | 5.29±0.20 | 5.23±0.17 | 5.18±0.19 | 5.25±0.19 | 5.21±0.09 | 0.10 | 0.33 | 0.21 | 0.47 |
Mean bearing different superscripts in a column and row differ significantly,
p<0.05; TVFA=Total volatile fatty acids, mM/100 ml=Milli-mole per 100 millilitre. C2:C3 ratio=Acetate:propionate ratio, (C2+C4):C3 ratio=(Acetate+butyrate):Propionate ratio. TMR=Total mixed ration, SEM=Standard error of mean, SE=Standard error, T=Dietary treatment, S=Species (crossbred cattle and buffalo), T×S = Interaction between species and dietary treatments, TVFA=Total volatile fatty acids, C=Concentrate mixture, W=Wheat straw, G=Green maize