期刊
MEAT SCIENCE
卷 160, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.meatsci.2019.107945
关键词
Cistus ladanifer L.; Condensed tannins; Lamb meat; Fatty acids; Carcass quality
资金
- Alentejo2020 program through European Fund for Regional Development (ERDF) [ALT20-03-0145-FEDER-000023]
- Fundacao para a Ciencia e a Tecnologia (FCT), Portugal [SFRH/BD/84406/2012, SFRH/BPD/76836/2011, UID/CVT/00276/2019, UID/AGR/00115/2019]
- Fundação para a Ciência e a Tecnologia [UID/AGR/00115/2019, SFRH/BD/84406/2012] Funding Source: FCT
Thirty-six lambs were used to evaluate the effect of three levels of Cistus ladanifer condensed tannins (CT; 0, 1.25 and 2.5%) and two ways of CT supply (C. ladanifer aerial parts and C. ladanifer CT extract) on lamb growth performance, carcass composition, meat quality and FA composition of intramuscular and subcutaneous fat. The basal diet was composed of dehydrated lucerne supplemented with 60 g/kg of soybean oil. The highest amount of CT (2.5%) had detrimental effects on growth performance, particularly when the aerial part of C. ladanifer was used. Conversely, 1.25% CT in diets did not affect growth performance and meat quality, and inclusion of C. ladanifer CT extract in diet at this level increased t11-18:1, but not c9,t11-18:2 content in fat. Feeding C. ladanifer CT extract might be a good approach for enhancing the nutritional value of ruminant fat, but further studies are needed to ensure upregulation of endogenous synthesis of c9,t11-18:2.
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