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Supplementing growing rabbit diets with chestnut hydrolyzable tannins: Effect on meat quality and oxidative status, nutrient digestibilities, and content of tannin metabolites
Meat Science ( IF 7.1 ) Pub Date : 2018-08-11 , DOI: 10.1016/j.meatsci.2018.08.007
Antonella Dalle Zotte , Marco Cullere , Giulia Tasoniero , Zsolt Gerencsér , Zsolt Szendrő , Enrico Novelli , Zsolt Matics

The study investigated the effect of dietary inclusion of chestnut hydrolyzable tannin (CHT) in growing rabbit diets on nutrients digestibility, quality and oxidative status of meat, and content of tannin metabolites. At weaning, rabbits were assigned to 5 dietary groups (n = 72 rabbits/diet): control medication-free (Co), control with coccidiostat (Cc), and T200, T400 and T600 (diets supplemented with 200, 400 and 600 g/100 kg CHT extract). Sixteen carcasses/treatment were considered and hindleg meat and Longissimus thoracis et lumborum (LTL) muscle were used for analyses. L*a*b* color values, water holding capacity, Warner Bratzler shear force, haem iron content, oxidative status and nutritional quality were unaffected by dietary treatments. Saturated fatty acids (SFA) and monounsaturated FA (MUFA) in LTL meat were higher in T600 than Cc rabbits (P < .05), even though no differences were found for SFA and MUFA digestibility. Contrarily, polyunsaturated FA digestibility was lower in T400 and T600 than Co rabbits. No tannin metabolites traces were found in rabbit meat. Results of the present study showed that feeding CHT did not improve rabbit meat quality.



中文翻译:

板栗可水解单宁补充正在生长的兔粮:对肉品质和氧化状态,营养消化率和单宁代谢物含量的影响

这项研究调查了日粮中添加板栗可水解单宁(CHT)的日粮对养分消化率,肉质和氧化状态以及单宁代谢产物含量的影响。在断奶时,将兔子分为5个饮食组(n  = 72只兔子/饮食):对照无药物治疗(Co),对照球菌抑制药(Cc)以及T200,T400和T600(饮食分别补充200、400和600 g) / 100公斤CHT提取物)。考虑了16个cas体/处理方法,并检查了后腿肉和胸大肌和腰腿(LTL)肌肉用于分析。L * a * b *颜色值,持水量,Warner Bratzler剪切力,血红素铁含量,氧化状态和营养品质不受饮食处理的影响。 尽管没有发现SFA和MUFA消化率的差异,但LTL肉中的饱和脂肪酸(SFA)和单不饱和FA(MUFA)在T600中高于Cc兔(P <.05)。相反,T400和T600的多不饱和FA消化率低于Co兔。在兔肉中未发现单宁代谢物痕迹。本研究的结果表明,喂养CHT不能改善兔肉的质量。

更新日期:2018-08-11
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