Dietary supplementation of extruded linseed and calcium soap for augmenting meat attributes and fatty acid profile of longissimus thoracis muscle and adipose tissue in finisher Malpura lambs

Publication date: Available online 1 February 2020Source: Small Ruminant ResearchAuthor(s): R.S. Bhatt, Lalit Kumar Soni, A. Sahoo, Y.P. Gadekar, Srobana SarkarAbstractPresent study aimed meat production augmented with conjugated linoleic acid (CLA), essential fatty acids and polyunsaturated fatty acids (PUFA) by supplementation of linseed and Ca-soap in weaner lamb diets. Thirty-six, 3 month old Malpura lambs were randomly divided into three dietary treatments comprising of Control, linseed (10% crushed linseed) and Ca-soap (5% Ca-soap), fed for 90 days and slaughtered at 6 months of age to determine chemical composition and fatty acid profile of carcass. All the lambs received a basal diet of ad lib. pala (Ziziphus numularia) leaves and respective concentrate mixtures formulated as per the dietary treatments. Hot carcass weight (kg), total fat (%), cooking loss (%) and water holding capacity (%) remained similar (P > 0.05) among the treatment groups. Feeding of Ca-soap reduced (P < 0.05) total saturated fatty acid (SFA) and enhanced (P < 0.05) total monounsaturated fatty acid (MUFA) content in longissimus thoracis (LT) muscle fat than linseed and control groups. Moreover, the ratio of n-6/n-3 values was lower (P < 0.05) in both Ca-soap and linseed group than control but the atherogenic index (AI) was lower only in Ca-soap group. The amount of C18:2 c9 t11 CLA in LT muscle was highest (P < 0.05) in linseed group followed by Ca-soap and con...
Source: Small Ruminant Research - Category: Zoology Source Type: research