Effects of Feeding Different Levels of Whole and Ground Flaxseed in Late Pregnancy on the Performance of Karakul Ewes
محورهای موضوعی :
S.H. Hosseini
1
(Department of Animal Science, Faculty of Agriculture, University of Zabol, Zabol, Iran)
M.R. Dehghani
2
(Department of Animal Science, Faculty of Agriculture, University of Zabol, Zabol, Iran)
A. Karimi
3
(Department of Animal Science, Fars Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Shiraz, Iran)
M. Yousef Elahi
4
(Department of Animal Science, Faculty of Agriculture, University of Zabol, Zabol, Iran)
M.J. Abarghuei
5
(Department of Animal Science, Fars Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Shiraz, Iran)
کلید واژه: apparent digestibility, flaxseed, Karakul ewe, performance, pregnancy,
چکیده مقاله :
This study were conducted to determine the effect of different levels of flaxseed, whole and ground (8 and 15%), in late pregnancy on the performance of ewes. 30 Karakul ewes (ages between 2 and 2.5 years old, mean weight of 55±2.5 kg) were used in a completely randomised design with five treatments and six repli-cates. Treatments include: 1) control diet, a diet without flaxseed; 2) a diet containing 8% whole flaxseed (WFS-L); 3) a diet containing 15% whole flaxseed (WFS-H); 4) a diet containing 8% ground flaxseed (GFS-L); and 5) a diet containing 15% ground flaxseed (GFS-H). The addition of flaxseed (whole and ground) had no significant effect on dry matter intakes or body weight changes in ewes and lambs (P>0.05), but in comparison, crude protein and ether extract digestibility was significantly (P<0.05) higher in ewes fed whole and ground flaxseed compared to those fed the control diet. The yield and composition of colos-trum were not affected by experimental treatments (P>0.05), except for colostrum protein, which increased by using treatments with whole flaxseed (P<0.05). Glucose and cholesterol in blood plasma were signifi-cantly increased in ewes fed whole and ground flaxseed compared to the control treatment. (P<0.05), and the highest blood glucose and cholesterol levels were observed in the treatment of 15% whole flaxseed. The research showed that whole flaxseed (15%) can be added to sheep's diets, and it can be concluded that proc-essing flaxseed for ewes in late pregnancy might not be necessary to improve performance.
This study were conducted to determine the effect of different levels of flaxseed, whole and ground (8 and 15%), in late pregnancy on the performance of ewes. 30 Karakul ewes (ages between 2 and 2.5 years old, mean weight of 55±2.5 kg) were used in a completely randomised design with five treatments and six repli-cates. Treatments include: 1) control diet, a diet without flaxseed; 2) a diet containing 8% whole flaxseed (WFS-L); 3) a diet containing 15% whole flaxseed (WFS-H); 4) a diet containing 8% ground flaxseed (GFS-L); and 5) a diet containing 15% ground flaxseed (GFS-H). The addition of flaxseed (whole and ground) had no significant effect on dry matter intakes or body weight changes in ewes and lambs (P>0.05), but in comparison, crude protein and ether extract digestibility was significantly (P<0.05) higher in ewes fed whole and ground flaxseed compared to those fed the control diet. The yield and composition of colos-trum were not affected by experimental treatments (P>0.05), except for colostrum protein, which increased by using treatments with whole flaxseed (P<0.05). Glucose and cholesterol in blood plasma were signifi-cantly increased in ewes fed whole and ground flaxseed compared to the control treatment. (P<0.05), and the highest blood glucose and cholesterol levels were observed in the treatment of 15% whole flaxseed. The research showed that whole flaxseed (15%) can be added to sheep's diets, and it can be concluded that proc-essing flaxseed for ewes in late pregnancy might not be necessary to improve performance.
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