In vitro nutritional evaluation and methane production of deoiled ajwain meal as a potential ruminant feed ingredient

DOI: 10.18805/ijar.v0i0f.3788    | Article Id: B-3250 | Page : 569-573
Citation :- In vitro nutritional evaluation and methane production of deoiledajwain meal as a potential ruminant feed ingredient .Indian Journal of Animal Research.2018.(52):569-573

Mayank Gautam, J.P. Sehgal, Madhu Mohini, Ritika Gupta, Tarun Kumar Varun and Srobana Sarkar

Address :

Animal Nutrition Division, ICAR-National Dairy Research Institute, Karnal-132 001, Haryana, India.

Submitted Date : 28-05-2016
Accepted Date : 29-09-2016


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.


Trachyspermum ammi Deoiled ajwain meal In vitro gas production Methane production.


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