Studies on the effect of lysine and methionine supplementation of a high‐protein maize‐soyabean diet and of a low‐protein barley‐white fish meal diet on the performance of caged layers

References

• Biely , J. and March , B. E. 1964 . Protein level and amino acid balance in the laying ration . Poult. Sci. , 43 : 99 – 105 .
   Google Scholar
• Bolton , W. 1959 . Poultry nutrition , Bulletin 174, Ministry of Agriculture, Fisheries and Food London : H.M.S.O. .
   Google Scholar
• Bolton , W. 1964 . Poultry nutrition , 2nd ed. , Bulletin 174, Ministry of Agriculture, Fisheries and Food London : H.M.S.O. . (1963) amended (1964).
   Google Scholar
• Bradley , J. and Quisenberry , J. H. 1961 . Lysine and methionine supplementation of 14, 16 and 18% protein laying diets . Poult. Sci. , 40 : 1381
   Google Scholar
• Brown , W. O. , Waring , J. J. and Squance , E. 1965 . A study of the effect of variation in the calorie‐protein ratio of a medium energy diet and a high energy diet containing sucrose on the efficiency of egg production in caged layers . Br. Poult. Sci. , 6 : 59 – 65 .
   PubMedGoogle Scholar
• Combs , G. F. 1960 . Protein and energy requirements of laying hens . Proc. Univ. Md Nutr. Conf. Feed Mfrs , : 28 – 44 .
   Google Scholar
• Combs , G. F. 1962 . “ The interrelationships of dietary energy and protein in poultry nutrition ” . In Nutrition of pigs and poultry , Edited by: Lewis , D. and Morgan , J. T. London, Butterworth : University of Nottingham 8th Easter School in Agricultural Science . 1961
   Google Scholar
• Duncan , D. B. 1955 . Multiple range and multiple “f” tests . Biometrics , 11 : 1 – 42 .
   Web of Science ®Google Scholar
• Harms , R. H. , Douglas , C. R. and Waldroup , P. W. 1962 . Methionine supplementation of laying hen diets . Poult. Sci. , 41 : 805 – 812 .
   Web of Science ®Google Scholar
• Harms , R. H. and Waldroup , P. W. 1963 . Methionine hydroxy analogue and lysine supplementation of low protein laying diets . Br. Poult. Sci. , 4 : 267 – 273 .
   Google Scholar
• Heywang , B. W. , Vavich , M. G. and Reid , B. L. 1963 . Supplemental methionine in a 16 per cent protein diet for laying chickens . Poult. Sci. , 42 : 245 – 259 .
   Web of Science ®Google Scholar
• National Research Council . 1960 . Recommended nutrient requirements for poultry , Washington, D.C. : National Academy of Sciences—National Research Council .
   Google Scholar
• Olson , G. , Lockhardt , W. C. , Bryant , R. L. and Bolin , D. W. 1962 . Protein‐methionine‐energy relationship in laying diets for chickens . Rep. N. Dak. agric. Exp. St. , : 8
   Google Scholar
• Yates , F. 1933 . The principles of orthogonality and confounding in replicated experiments . J. agric. Sci. , 23 : 108 – 145 .
   Google Scholar