主要生态环境变化对离体瘤胃菌丛降解粗纤维能力的影响-应用生态学报.PDF

1997 10 8 5 CH INESE JOURNA L OF APPLIED ECOLOGY , Oct. 1997, 8( 5)∃531~ 534 * 胡代泽 邓茂常 郎家文 谭祖群 王淑娟 杨 忠 ( , 6100 15) . 905231 , 30 ~ 40 ! , 60~ 72 r∀min- 120 min∀h- 1 C/ N 10/ 1. 5 d 36~ 41% . Influenceof ecoenvironment on crude fibre resolvability of ruminal microbial flora in vitro culture. Hu Daiz , D ng Maochang , Lang Jiaw n, T an Zuqun, Wang Shujuan and Yang Zhong (Sichuan Natural Resources Institute, Chengdu 6 10015). Chin. J. App l. Ecol. , 1997, 8 ( 5) : 531~ 534. With th quipm nts simulat ing th nvironm nt in a ruminant# s paunch th in vitro f rm nta tion of ruminal microbial flora w as p rform d to study th influ nc of major cological condi tions on crud fibr r solvability. It shows that th crud fibr r solvability is th strong st at th t mp ratur of 30~ 40 ! , stirring int nsity of 60~ 72 r∀min- 1 wit h 20 min∀h- 1 and C/ N of 10/ 1 in cultur m dium. Th fibr r solving rat may r ach 36~ 4 1% aft r fiv days of f r m ntation. Keywords Ruminal microbial flora, Ecological condition, Crud fibr r solvability. , 1 . , , . 905231 . 5. , , , . C/ N , , . * ( . , 1995 10 20 , 1996 8 9 . 532