References
- Akester , A.R. , Anderson , R.S. , Hill , K.J. and Osbaldiston , G.W. 1967 . A radiographic study of urine flow in the domestic fowl . British Poultry Science , 8 : 209 – 215 .
- Björnhag , G. and Sperber , I. 1977 . Transport of various food components through the digestive tract of turkeys, geese and guinea fowl . Swedish Journal of Agricultural Research , 7 : 57 – 66 .
- Clemens , E.T. , Stevens , C.E. and Southworth . 1975 . Sites of organic acid production and pattern of digesta movement in the gastrointestinal tract of geese . Journal of Nutrition , 105 : 1341 – 1350 .
- Karasawa , Y. 1989 . Effect of colostomy on nitrogen nutrition in the chicken fed a low protein diet plus urea . Journal of Nutrition , 119 : 1388 – 1391 .
- Karasawa , Y. and Maeda , M. 1992 . Effect of colostomy on the utilisation of dietary nitrogen in the fowl fed on a low protein diet . British Poultry Science , 33 : 815 – 820 .
- Karasawa , Y. and Maeda , M. 1994 . A role of caecum in nitrogen nutrition of the chicken fed moderate protein diet and low protein diet plus urea . British Poultry Science , 35 : 383 – 391 .
- Karasawa , Y. , Koji , T. and Maeda , M. 1992 . Occurrence of intraportally‐infused urea‐15N in the urine of domestic fowl . British Poultry Science , 33 : 1095 – 1100 .
- Karasawa , Y. , Ono , T. and Koh , K. 1994 . Inhibitory effect of penicillin on caecal urease activity in chickens fed a low protein diet plus urea . British Poultry Science , 35 : 157 – 160 .
- Karasawa , Y. , Tasaki , I. , Yokota , H. and Shibata , F. 1973 . Effect of infused glutamine on uric acid synthesis in chickens fed high and low protein diets . Journal of Nutrition , 103 : 526 – 529 .
- Koike , T.I. and McFarland , L.D. 1966 . Urography in the unanaesthetized hydropenic chicken . American Journal of Veterinary Research , 27 : 1130 – 1133 .
- Lee , D.J.W. 1977 . Urease activity in the digestive tract of the chick and its role in the utilisation of urea as a source of non‐amino nitrogen . British Poultry Science , 18 : 449 – 458 .
- Leveille , G.A. and Fisher , H. 1958 . The amino acid requirements for maintenance in the adult rooster. I. Nitrogen and energy requirements in normal and protein depleted animals receiving whole egg protein and amino acid diets . Journal of Nutrition , 66 : 441 – 453 .
- McNabb , F.M.A. and McNabb , R.A. 1975 . Proportions of ammonia, urea, urate and total nitrogen in avian urine and quantitative methods for their analysis on a single urine sample . Poultry Science , 54 : 1498 – 1505 .
- Poppema , T.F. and Duke , G.E. 1992 . The effectiveness of ligating or detaching ceca as an alternative to cecectomy . Poultry Science , 71 : 1384 – 1390 .
- Pudelkiewicz , W.J. , Stutz , W.W. and Matterson , L.D. 1968 . Determination of uric acid in avian excreta by the use of uricase and differential spectrophotometry . Poultry Science , 47 : 1274 – 1277 .
- Skadhauge , E. 1968 . Cloacal storage of urine in the rooster . Comparative Biochemistry and Physiology , 24 : 7 – 18 .
- Snedecor , G.W. and Cochran , W.G. 1967 . Statistical Methods , Ames, Iowa : University Press .