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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

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Title 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
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Creator R.S. Bhatt, Lalit Kumar Soni, A. Sahoo, Y.P. Gadekar, Srobana Sarkar
 
Subject Lamb, Linseed, Ca soap, Muscle Adipose tissue, Desirable fatty acids
 
Description Not Available
Present 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 control group.
Likewise, in adipose tissue the proportion of PUFA, n-3 fatty acids was higher (P < 0.05) in linseed group
whereas, MUFA and TI (thrombogenic index) was increased (P < 0.05) in Ca-soap fed group. Similarly, the
proportion of C18:2 c9t11 CLA in adipose tissue showed similar trend like LT muscle and highest (P < 0.05)
value was observed in linseed fed lambs. These findings indicate that inclusion of Ca-soap and linseed in the diet
of finisher lambs resulted in enhanced content of desirable fatty acids in both LT muscle and adipose tissue.
Therefore, adding Ca-soap and crushed linseed in diets can be a promising option for modifying fatty acid makeup
of finisher lambs and provide better nutritional quality meat to consumers.
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Date 2020-09-09T06:43:47Z
2020-09-09T06:43:47Z
2020-01-28
 
Type Article
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/41071
 
Language English
 
Relation Not Available;
 
Publisher Elsevier