Indian Journal of Animal Research
Chief EditorK.M.L. Pathak
Print ISSN 0367-6722
Online ISSN 0976-0555
NAAS Rating 6.50
SJR 0.263
Impact Factor 0.4 (2024)
Chief EditorK.M.L. Pathak
Print ISSN 0367-6722
Online ISSN 0976-0555
NAAS Rating 6.50
SJR 0.263
Impact Factor 0.4 (2024)
In vitro nutritional evaluation and methane production of deoiled ajwain meal as a potential ruminant feed ingredient
Submitted28-05-2016|
Accepted29-09-2016|
First Online 26-10-2016|
The present study was undertaken to evaluate deoiled ajwain (Trachyspermum ammi) meal (DOAM) for its in vitro nutritional evaluation and methane mitigation potential. For this purpose, a concentrate mixture based on maize and soybean meal as a major feed ingredient was formulated and designated as control ‘C’. The concentrate mixture was reformulated using 5, 10, 15 and 20 parts (kg/100kg) of DOAM for experimental groups i.e. T1, T2, T3 and T4, respectively and made iso-nitrogenous by addition of urea. The values of DM, CP, EE, CF, TA, NFE, NDICP and ADICP (%) in DOAM were 88.41, 14.57, 2.65, 16.35, 12.75, 53.68, 51.86 and 17.35, respectively. Dry matter degradability and digestibility of T1 and T2 were comparable with those of control whereas significant (P<0.05) depression was observed when 15% (T3) and 20% (T4) of DOAM was incorporated. Addition of 10% DOAM in the concentrate mixture caused significant (P<0.05) decrease of methane production from 46.65 mg/g DM (control) to 39.70 ml/gm DM. It can be concluded from the present study that addition of 10% deoiled ajwain meal (DOAM) in the concentrate in concentrate mixture resulted in lower methane production and has no adverse effect on DM, OM and CP digestibility.
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