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Effect of partial or complete replacement of clover hay by chamomile cake on digestibility, rumen fermentation and performance of ewes and their offsprings [electronic resource].

By:

Mohamed, A. H

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Language: English Summary language: Arabic Description: P. 1687-1696Other title:

تأثير استبدال دريس البرسيم جزئيا او كليا بكسب الشيح فى علائق النعاج على قيمتها الغذائية والاداء الانتاجى للنعاج ونتاجها [Added title page title]

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Mansoura University journal of agricultural sciences, 2004 v. 29 (4) [electronic resource].

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In: Mansoura Unviersity Journal of Agricultural Sciences 2004.v.29(4)Summary: Thirty-two ewes before lambing averaged 45.3 kg live body weight ( LBW) and aged 3-4 years were divided randomly into four similar groups. The control diet (DI) consisted of concentrate feed mixture ( CFM ) berseem hay ( BH ) and wheat straw , whereas the tested groups(D2, D3,D4 )animals received the same CFM, while the BH was substituted either by 30, 65 or 100% with chamomile cake (CC) for D2,D3 and D4, respectively. Animals were fed according to NRC ( 1989) allowances for sheep. Four digestibility trials were conducted each with three mature rams to evaluate the nutritive value of the experimental diets and their effect on digestion coefficients, some rumen liquor parameters were also studied . Results showed that the digestibility coefficients of CP . NDF, hemicellulose, NFE and nutritive values (TDN , ME, and DCP) for D2 and D3 groups were significantly (P<0.05) improved as compared with the DI group (control). Meanwhile propionic acid was significantly increased with animals fed D2 diets as compared with the control diet, whereas butyric acid was decreased. As a result to the significant improvement of digestibility and nutritive value of D2 and D3 groups, average daily milk yield (ADMY) and total milk yield (TMY) were significantly (P<0.05) higher as compared with the control group. Also, the average daily gain (ADG) for offspring of D2 and D3 groups during the period from birth up to weaning were significantly improved as compared with D1 group, which reflects the improvement in (ADMY) for D2 and D3 groups than D1 group. Moreover, average daily feed cost decreased by 9.10, 19.1 and 30.0% for D2 , D3 and D4, respectively as compared with control diet , leading to decreased feed cost /kg milk by 29.80, 30.53 and 37.02%, for D2 , D3 and D4 , respectively than D1 group ( control ). In conclusion, the CC could be successfully and economically substitute 30 or 65% of berseem hay in ewes diets.

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Thirty-two ewes before lambing averaged 45.3 kg live body weight ( LBW) and aged 3-4 years were divided randomly into four similar groups. The control diet (DI) consisted of concentrate feed mixture ( CFM ) berseem hay ( BH ) and wheat straw , whereas the tested groups(D2, D3,D4 )animals received the same CFM, while the BH was substituted either by 30, 65 or 100% with chamomile cake (CC) for D2,D3 and D4, respectively. Animals were fed according to NRC ( 1989) allowances for sheep. Four digestibility trials were conducted each with three mature rams to evaluate the nutritive value of the experimental diets and their effect on digestion coefficients, some rumen liquor parameters were also studied . Results showed that the digestibility coefficients of CP . NDF, hemicellulose, NFE and nutritive values (TDN , ME, and DCP) for D2 and D3 groups were significantly (P<0.05) improved as compared with the DI group (control). Meanwhile propionic acid was significantly increased with animals fed D2 diets as compared with the control diet, whereas butyric acid was decreased. As a result to the significant improvement of digestibility and nutritive value of D2 and D3 groups, average daily milk yield (ADMY) and total milk yield (TMY) were significantly (P<0.05) higher as compared with the control group. Also, the average daily gain (ADG) for offspring of D2 and D3 groups during the period from birth up to weaning were significantly improved as compared with D1 group, which reflects the improvement in (ADMY) for D2 and D3 groups than D1 group. Moreover, average daily feed cost decreased by 9.10, 19.1 and 30.0% for D2 , D3 and D4, respectively as compared with control diet , leading to decreased feed cost /kg milk by 29.80, 30.53 and 37.02%, for D2 , D3 and D4 , respectively than D1 group ( control ). In conclusion, the CC could be successfully and economically substitute 30 or 65% of berseem hay in ewes diets.

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