The effects of concentrate added to pineapple (Ananas Comosus linn. Mer.) waste silage in differing ratios to form complete diets, on digestion, excretion of urinary purine derivatives and blood metabolites in growing, male, Thai swamp buffaloes

被引:17
作者
Jetana, T. [1 ]
Suthikrai, W. [1 ]
Usawang, S. [1 ]
Vongpipatana, C. [2 ]
Sophon, S. [1 ]
Liang, J. B. [3 ]
机构
[1] Chulalongkorn Univ, Res & Dev Ctr Livestock Prod Technol, Fac Vet Sci, Bangkok 10330, Thailand
[2] Minist Agr & Cooperat, Dept Livestock, Anim Nutr Div, Feed & Forage Anal Sect, Pathum Thani 12000, Thailand
[3] Univ Putra Malaysia, Dept Anim Nutr, Fac Agr, Serdang 43400, Malaysia
关键词
Blood metabolite; Concentrate; Creatinine; Digestion; Pineapple; Purine derivatives; Swamp buffalo; DIFFERENT FORAGE; SHEEP; LEVEL; PROTEIN; KINETICS; CATTLE; ENERGY; STEERS; FERMENTATION; PERFORMANCE;
D O I
10.1007/s11250-008-9207-5
中图分类号
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号
0905 ;
摘要
Four, male, growing Thai swamp buffaloes (197 +/- 5.3 kg and all 1 year old) were used to evaluate the effects of concentrate added to pineapple waste silage in differing ratios, to form a complete diet, studying in vivo digestion, the rate of passage, microbial protein synthesis and blood metabolites. Animals were fed ad libitum with 4 diets, using four combinations of pineapple waste silage (P) and concentrate (C), in the proportions (on a dry matter basis) of 0.8:0.2 (P80:C20), 0.6:0.4 (P60:C40), 0.4:0.6 (P40:C60) and 0.2:0.8 (P20:C80). The results showed that the intakes of dry matter (DM), organic matter (OM), nitrogen (N), the N-balance, urinary purine derivatives (PD) excretion, the ratios of allantoin to creatinine (CR), PD to CR, the plasma urea-N (PUN) and insulin increased in the animals, but the intake of neutral detergent fiber (NDF), the coefficient of whole tract, apparent digestibility of NDF, the transit time (TT) and the mean retention time (TMRT) decreased, when the proportion of concentrate in the diet increased. This study indicated that the proportion of P40:C60 in the diet produced the best efficiency of urinary PD excretion (mmol) per digestible OM intake (kg DOMI).
引用
收藏
页码:449 / 459
页数:11
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