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Effect of different levels of ground flaxseed on In vitro and In vivo digestibility in Karadi lambs

Khasraw M Hassan1, Sarwar M Sadq1*, Hemn G Zahir1and Amera M Salih2

1Department of Animal Production, Faculty of Agricultural Sciences, University of Sulaimani, Kurdistan, Iraq; 2Department of AnimalResources, College of Agriculture, University of Baghdad, Iraq


This study was conducted to determine the effect of different levels of flaxseed (0, 3, 6 or 9%) on in vitro and in vivo apparent digestibility of dry and organic matter and voluntary feed intake on growth of Karadi lambs. Sixteen Karadi male lambs of eight months and weighing 45.6±0.481 kg were randomly divided into four treatments and individually penned for a period of 84 days. Results revealed that there were no significant differences among treatments in the daily intake of DM, OM, CP, CF, and NFE, ME. Ether extract (EE) was higher (P<0.05) in lambs fed 9% flaxseed both in vitro and in vivo digestibility trials. The in vivo apparent and in vitro digestibility of dry matter (DM), organic matter (OM), total digestible nutrient (TDN), digestible energy (DE) and metaboilzable energy was not influenced by the addition of flaxseed to the diet. In conclusion, the addition of 6 or 9% flaxseed to the diets does not improve intake and digestibility of nutrients. However, significantly higher digestibility of EE was noticed in lambs fed 9% flaxseed.

Keywords: Flaxseed; digestibility; Karadi lambs
To cite this article: Hassan KM, SM Sadq, HG Zahir and AM Salih, 2014. Effect of different levels of ground flaxseed on in vitro and in vivo digestibility in Karadi lambs. Res. Opin. Anim. Vet. Sci., 4(12): 644-649.

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