EFFECT OF FISH OIL SUPPLEMENTATION ON PERFORMANCE, CARCASS CHARACTERISTICS AND MEAT FATTY ACIDS PROFILE OF HOLSTEIN BULLS FED RATIONS WHIT VARIOUS PROPORTION ALFALFA HAY

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ZAKARIAPOUR BEHNAMIRI HOSSEIN; GANJKHANLOU MEHDI; ZALI ABOLFAZL

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Journal: Iranian Journal of Animal Science Year:2014 | Volume:45 | Issue:3 Page(s): 209-221

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Title

EFFECT OF FISH OIL SUPPLEMENTATION ON PERFORMANCE, CARCASS CHARACTERISTICS AND MEAT FATTY ACIDS PROFILE OF HOLSTEIN BULLS FED RATIONS WHIT VARIOUS PROPORTION ALFALFA HAY

Author(s)

ZAKARIAPOUR BEHNAMIRI HOSSEIN | GANJKHANLOU MEHDI | ZALI ABOLFAZL | Issue Writer Certificate

Keywords

HAY PROPORTIONQ1

FAT SUPPLEMENTATIONQ1

MEAT QUALITYQ2

FATTY ACIDSQ2

Abstract

In this study 36 Holstein bulls (initial BW of 345±61 kg) were randomly assigned to 6 dietary treatments, following a 3´2 factorial arrangement, with 3 concentrate level of fish oil (0, 1 and 2.1% of DM) and 2 levels of alfalfa hay versus corn silage (10 and 20 % of alfalfa hay forage) to investigate the effects of fish oil supplementation and ratio of alfalfa hay and corn silage in diet on performance, carcass characteristics and FATTY ACIDS profile. There was no difference in average daily gain, dry matter intake and feed conversion ratio among dietary treatments. The highest level of fish oil had a negative effect on dry matter intake (P<0.01) regardless of alfalfa hay level. In addition, high portion of alfalfa hay forage in diet affected DMI detrimentally, regardless of fish oil levels (P<0.01). Fish oil supplementation increased TBARS value at 2 months of storage (P<0.01). Moreover dietary inclusion of fish oil increased the concentration of Eicosapentaenoic and docosahexaenoic (P<0.01) FATTY ACIDS (P<0.01) which subsequently reduced n-6: n-3 (P<0.01). The results of this study indicate that fish oil can be supplemented to feedlot diet to enrich ruminant products by introducing some peroxides production inhibitors in storage period. Furthermore, alfalfa hay can be replaced by corn silage to mitigate the detrimental effect of supplemented fat on dry matter intake.

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APA: Copy

ZAKARIAPOUR BEHNAMIRI, HOSSEIN, GANJKHANLOU, MEHDI, & ZALI, ABOLFAZL. (2014). EFFECT OF FISH OIL SUPPLEMENTATION ON PERFORMANCE, CARCASS CHARACTERISTICS AND MEAT FATTY ACIDS PROFILE OF HOLSTEIN BULLS FED RATIONS WHIT VARIOUS PROPORTION ALFALFA HAY. IRANIAN JOURNAL OF ANIMAL SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 45(3), 209-221. SID. https://sid.ir/paper/193614/en

Vancouver: Copy

ZAKARIAPOUR BEHNAMIRI HOSSEIN, GANJKHANLOU MEHDI, ZALI ABOLFAZL. EFFECT OF FISH OIL SUPPLEMENTATION ON PERFORMANCE, CARCASS CHARACTERISTICS AND MEAT FATTY ACIDS PROFILE OF HOLSTEIN BULLS FED RATIONS WHIT VARIOUS PROPORTION ALFALFA HAY. IRANIAN JOURNAL OF ANIMAL SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2014;45(3):209-221. Available from: https://sid.ir/paper/193614/en

IEEE: Copy

HOSSEIN ZAKARIAPOUR BEHNAMIRI, MEHDI GANJKHANLOU, and ABOLFAZL ZALI, “EFFECT OF FISH OIL SUPPLEMENTATION ON PERFORMANCE, CARCASS CHARACTERISTICS AND MEAT FATTY ACIDS PROFILE OF HOLSTEIN BULLS FED RATIONS WHIT VARIOUS PROPORTION ALFALFA HAY,” IRANIAN JOURNAL OF ANIMAL SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 45, no. 3, pp. 209–221, 2014, [Online]. Available: https://sid.ir/paper/193614/en

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