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Dietary supplementation of plant bioactive-enriched aniseed straw and eucalyptus leaves modulates tissue fatty acid profile and nuggets quality of lambs

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Title Dietary supplementation of plant bioactive-enriched aniseed straw and eucalyptus leaves modulates tissue fatty acid profile and nuggets quality of lambs
Not Available
 
Creator N1. R. S. Bhatt, A. Sahoo, S. Sarkar, L. Soni, P. Sharma and Y. P. Gadekar. 2020ot Available
 
Subject phytochemicals, nutrient utilization, carcass traits, conjugated linoleic acid, functional meat
 
Description Not Available
Utilization of low-input feed resources rich in plant bioactive compounds is a promising strategy for modulating the fatty acid
profile in ruminant products. They manipulate microbes involved in rumen biohydrogenation and increase the accumulation of
desirable fatty acids at the tissue level. Therefore, the present study was undertaken to assess the effect of dietary
supplementation of aniseed straw and eucalyptus leaves on growth performance, carcass traits and fatty acid profile of finisher
lambs. Thirty-six Malpura hogget were divided into three treatment groups of 12 each, reared individually in pen (1.6 m × 1.1 m)
and fed ad libitum complete feed blocks made up of 55 parts concentrate, 5 parts molasses and 40 parts roughage. Roughage in
control (Con) was 20 parts each of ardu (Ailanthus excelsa) leaves and oat (Avena sativa) straw. In test diets, that is, Con-as and
Con-el, 10% aniseed ( Pimpinella anisum) straw and Eucalyptus rudis leaves, respectively, were added by replacing 5% each of
oat straw and eucalyptus leaves. The lambs were weighed weekly; and at the end of 3 months of feeding trial, the lambs were
slaughtered to study the carcass traits, composition and product evaluation. Average daily gain (ADG) and DM intake (DMI) was
higher (P < 0.05) in Con-as compared to Con and Con-el, while ADG and feed conversion ratio decreased (P < 0.05) by 29.4%
and 36.4%, respectively, in Con-el compared to Con. Carcass traits showed lower (P < 0.05) loin eye area and chilling loss in the
Con-el group compared to the Con-as and Con, and the total carcass fat compared to Con-as. However, the keeping quality of
meat improved in both Con-as and Con-el which was reflected by lower (P < 0.05) thiobarbituric acid-reactive substances values.
Nuggets prepared from Con and Con-as meat had superior (P < 0.05) sensory attributes with an overall palatability. Fatty acid
profile of longissimus thoracis muscle showed lower (P < 0.05) atherogenic and thrombogenic indices in Con-as and higher
(P < 0.05) in Con-el group. Moreover, in Con-as group, the proportion of C16:0 was lower (P < 0.05) and C18:3n-3 was higher
(P < 0.05), but no effect was observed on the amount of conjugated linoleic acid (CLA; C18:2 c9t11). In case of adipose tissue,
the content of CLA was higher (P < 0.05), and the ratio of n-6:n-3 was more nearer to desirable levels in Con-as group.
Therefore, it can be concluded that aniseed straw is a promising feed supplement compared to eucalyptus leaves for improving
meat quality and fatty acid profile in lambs.
Not Available
 
Date 2021-07-28T10:13:37Z
2021-07-28T10:13:37Z
2020-01-01
 
Type Research Paper
 
Identifier 1. R. S. Bhatt, A. Sahoo, S. Sarkar, L. Soni, P. Sharma and Y. P. Gadekar. 2020. Dietary supplementation of plant bioactive-enriched aniseed straw and eucalyptus leaves modulates tissue fatty acid profile and nuggets quality of lambs. Animal 14(12):2642-2651.
doi: 10.1017/S175173112000141X
http://krishi.icar.gov.in/jspui/handle/123456789/50775
 
Language English
 
Relation Not Available;
 
Publisher Elsevier