›› 2007, Vol. 34 ›› Issue (4): 7-10.

• 动物营养与饲料科学 • Previous Articles     Next Articles

Comparative Study of the Clearance Time and the Passage Rate of Feed Residues Between Cockerel and Drake

FAN Hongping1,2,HOU Shuisheng1,LIU Jianhua2,WANG Wenwu1,HUANG Wei1,ZHAO Ling1，YU Junying1   

  1. 1.Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, The Key Lab of Animal Nutrition,Beijing 100094, China; 2.The Center for Agri-food Quality & Safety, The Ministry of Agriculture, Beijing 100081, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2007-04-20 Published:2007-04-20

Abstract: A 2×7 factorial experiment was used to study the effects of animal (cockerel and drake) and removal period of digesta (4、8、14、24、32、38、48 h) on the residual amount of dry matter in digestive tract. The results indicated that the empting chyme in different part of the drake digestive tract were faster than that of cockerel. When removal period was 48h, there were more dry matters in drake digestive tract. Therefore, the collection time for cockerel was 32 and for drake was 24 h. 

Key words: cockerel; drake; the clearance time of feed residues

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