tailieunhanh - BÁO CÁO " DETERMINATION OF THE DIGESTIBILITY OF SOME PLANT INGREDIENTS FOR GRASS CARP (Ctenopharyngodon idella) "

The present study aimed at evaluating the apparent digestibility of rice bran, corn meal and cassava meal for grass carp (Ctenopharyngodon idella). The digestibility of nutrients of these plant-ingredients were determined using the indirect method with the incorporation of Cr2O3. Rice bran appeared to have a high digestibility of dry matter (), protein ( %) and ash ( %) for grass carp. Corn meal has also high digestibility of dry matter (), protein () and ash (). | J. Sci. Devel. Vol. 10 No. 7 986-992 Tạp chí Khoa học và Phát triển 2012. Tập 10 số 7 986-992 DETERMINATION OF THE DIGESTIBILITY OF SOME PLANT INGREDIENTS FOR GRASS CARP Ctenopharyngodon idella Tran Thi Nang Thu Faculty of Animal Science and Aquaculture Hanoi University of Agriculture Email trannangthu@ Received date Accepted date ABSTRACT The present study aimed at evaluating the apparent digestibility of rice bran corn meal and cassava meal for grass carp Ctenopharyngodon idella . The digestibility of nutrients of these plant-ingredients were determined using the indirect method with the incorporation of Cr2O3. Rice bran appeared to have a high digestibility of dry matter protein and ash for grass carp. Corn meal has also high digestibility of dry matter protein and ash . There was no statistically significant difference when comparing the digestibility of protein and ash between rice bran and corn meal for grass carp. The dry matter protein and minearl digestibility of cassava was and respectively and appeared to be inferior to rice bran or corn meal. Our results indicated that the grass carp digests rice bran and corn meal better than cassava meal. Keywords Cassava meal corn meal digestibility grass carp rice bran. Xác định độ tiêu hóa của một số nguyên liệu thực vật đối với cá trắm cỏ Ctenopharyngodon idella TÓM TẮT Nghiên cứu này nhằm mục đích xác định độ tiêu hóa của cá trắm cỏ Ctenopharyngodon idella đối với 3 loại nguyên liệu là cám gạo bột ngô và bột sắn. Việc xác định độ tiêu hóa của các dưỡng chất trong các nguyên liệu có nguồn gốc thực vật được thực hiện theo phương pháp gián tiếp có sử dụng chất đánh dấu Cr2O3. Cám gạo cho kết quả cao về độ tiêu hóa vật chất khô 80 3 protein 87 9 và chất khoáng 97 4 . Tương tự bột ngô cũng cho kết quả khá cao về độ tiêu hóa vật chất khô 88 9 protein và chất khoáng 92 7 . Không có sự khác biệt có ý nghĩa thống kê khi so .

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