Open AccessIncreasing propionate acid production in Bali cattle through ZnSO4 and Zn-Cu isoleusinate supplementation as a strategy to mitigate methane gas production
Author(s) -
Erna Hartati,
Ahmed A. Saleh,
Edi Djoko Sulistijo,
Gustaf Oematan,
Imanuel Benu,
Y L Henuk
Publication year - 2020
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.179
H-Index - 26
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/454/1/012066
Subject(s) - propionate , rumen , zinc , chemistry , zoology , randomized block design , fermentation , butyrate , hay , sulfate , nuclear chemistry , food science , biochemistry , biology , agronomy , organic chemistry
The study aimed to evaluate zinc sulfate and Zn-Cu isoleusinat supplementation with concentrates on rumen fermentation of Bali cattle. The experiment design used randomized block design. The animal randomized, assigned into four groups of treatment diet. They were T 0 = Ammoniated kume grass standing hay + concentrate (60:40); T 1 = T 0 + 150 mg ZnSO 4 /kg DM concentrate + 1 % Zn-Cu isoleusinate; T 2 = T 0 + 150 mg ZnSO 4 /kg DM concentrate + 2 % Zn-Cu isoleusinate; and T 3 = T 0 + 150 mg ZnSO 4 /kg DM concentrate + 3 % Zn-Cu isoleusinate. Supplementation zinc sulfate and Zn-Cu isoleusinate in the concentrate did not increase significantly NH3 concentration, total VFA, acetate, and butyrate production. However, supplementation zinc sulfate and Zn-Cu isoleusinate increase significantly (P<0.01) propionate production, decrease propionate and acetate ratio. The best of rumen fermentation achieved at level of ZnSO4 and Zn-Cu isoleusinate supplementation 150 mg ZnSO 4 kg −1 . Concentrate and 2% Zn-Cu isoleusinat kg −1 diet. It can concluded supplementing Bali cattle with combination of 1.5% lemuru oil, 150 mg ZnSO4/kg DM concentrate and 2% Zn-Cu isoleucinate / kg DM ration had increased NH 3 , VFA concentrations, C3 production, but decreased C2 and C2/C3 ratio which positively correlated with decrease in CH4 gas production.