Document Type : Research Paper

Authors

1 ferdowsi university of mashhad

2 north khorasan agriculther and natural resources research and education center

Abstract

This experiment was conducted to evaluate the effect of adding flaxseed and cannula in ewes diet on performance responses, nutrient total tract digestibility and some blood metabolites and hormones, in late gastation period of Kurdish ewes. Thirty-six ewes were randomly assigned to one of the four groups. Ewes in control group did not receive seed oil. In the 3 other groups, ewes received 6% DM of cannula, 6% DM flaxeed or 3% cannula and 3% flaxeed (DM). Fat supplementation was carried out from 60 to 7 days prepartum. There was no difference in feed intake, body weight, and nutrient total tract digestibility among the groups. However, cannula improved fat digestibility (P<0.05). Flaxseed (6%DM( increased blood glucose, cholesterol and insulin levels but decreased rumen ammonia nitrogen and blood urea nitrogen (P<0.05). Overall, the grain be considered that the addition of flaxseed , canola or mix the two without negative impact on rumen fermentation , improved some blood parameters occurs during late gestation .

Keywords

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