Effects of of monensin supplementationalone or in combination with Methafix on ruminal fermentation and fatty acids composition of Longissimus dorsi muscle in Farahani finishing lambs

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Alipour Mohammad Taghi; AZARFAR ARASH; KIANI ALI; KHALDARI MAJID

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Journal: Iranian Journal of Animal Science Year:2017 | Volume:48 | Issue:1 Page(s): 89-99

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Title

Effects of of monensin supplementationalone or in combination with Methafix on ruminal fermentation and fatty acids composition of Longissimus dorsi muscle in Farahani finishing lambs

Author(s)

Alipour Mohammad Taghi | AZARFAR ARASH | KIANI ALI | KHALDARI MAJID | Issue Writer Certificate

Keywords

Fatty acids compositionQ2

volatile fatty acidsQ1

di-carboxylic acidsQ1

ionophers fattening lambQ1

Abstract

This study was conducted to evaluate the effects of dietary inclusion of monensin alone or in combination with Methafix (a commercial product containing malate and fumarate) on rumen fermentation parameters and Fatty acids composition of longissimus dorsi muscle (LD) of Farhani finishing lambs. Twenty four male Farhani lambs (4-6 months old, average body weight 35. 9 ± 7. 4 kg) were used. The lambs were randomly divided into four groups and individually fed with one of the four dietary treatments; control diet (Control), Control plus 24 mg of monensin/kg of DM (Monensin), control plus 4 g of Methafix/kg DM (Metafix) and Control plus 24 mg of monensin and 4 g of Methafix/kg DM (MonMet). Results showed that Monensin and/or MonMet decreased acetate (P<0. 05) but increased propionate in comparision with control (P<0. 05). Monensin, Metafizx and MonMetall had higher concentrations of lauric, myristic and margaric acids than control (P<0. 05). However, palmitic, stearic and behenic acids content of LD were decreased by dietary supplementation with Monensin and metafix (P<0. 05). Dietary treatments had no effect on LM concentrations of all mono-unsaturated fatty acids (except for nervonic acid), eicosatetraenoic, arachidonic, eicosaenoic and α-linoleic acids (P>0. 05). However, dietary supplementation with M and ME increased LM concentrations of docosahexaenoic, docosatetraenoic, eicosapentaenoic and omega-3 fatty acids in comparison with control (P<0. 05). In conclusion, both monensin and metafix seems to be promising agents for manipulation of rumen fermentation and fatty acid composition of meat in fattening Farahani lambs, however for revealing their functional mechanisms further research is needed.

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APA: Copy

Alipour, Mohammad Taghi, AZARFAR, ARASH, KIANI, ALI, & KHALDARI, MAJID. (2017). Effects of of monensin supplementationalone or in combination with Methafix on ruminal fermentation and fatty acids composition of Longissimus dorsi muscle in Farahani finishing lambs. IRANIAN JOURNAL OF ANIMAL SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 48(1 ), 89-99. SID. https://sid.ir/paper/193593/en

Vancouver: Copy

Alipour Mohammad Taghi, AZARFAR ARASH, KIANI ALI, KHALDARI MAJID. Effects of of monensin supplementationalone or in combination with Methafix on ruminal fermentation and fatty acids composition of Longissimus dorsi muscle in Farahani finishing lambs. IRANIAN JOURNAL OF ANIMAL SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2017;48(1 ):89-99. Available from: https://sid.ir/paper/193593/en

IEEE: Copy

Mohammad Taghi Alipour, ARASH AZARFAR, ALI KIANI, and MAJID KHALDARI, “Effects of of monensin supplementationalone or in combination with Methafix on ruminal fermentation and fatty acids composition of Longissimus dorsi muscle in Farahani finishing lambs,” IRANIAN JOURNAL OF ANIMAL SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 48, no. 1 , pp. 89–99, 2017, [Online]. Available: https://sid.ir/paper/193593/en

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