Digestibility studies in broiler chickens: Influence of genotype, age, sex and method of determination

References

• Cherry , J.A. and Siegel , P.B. 1978 . Selection for body weight at eight weeks of age: 15. Feed passage and intestinal size of normal and dwarf chicks. . Poultry Science, , 57 : 336 – 340 .
   Web of Science ®Google Scholar
• Chwalibog , A. , Heckel , S. and Thorbek , G. 1978 . Protein‐ and energy metabolism in growing broilers in relation to sex and feeding level. . Zeitschrtfl für Tierphysiologie, Tierernährung und Futtermittelkunde, , 42 : 87 – 99 .
   Google Scholar
• Genstat 5 Committee (1987) Genstat 5 Reference Manual, Genstat 5 committee of the Statistics Department Rothamsted Experimental Station (Oxford, Clarendon Press)
   Google Scholar
• Gruhn , K. and Zander , R. 1989 . Comparative investigations of the digestion performance between colostomized hens and roosters with wheat and maize. . Archiv für Geflügelkunde, , 53 (2) : 86 – 90 .
   Web of Science ®Google Scholar
• Haakansson , J. and Eriksson , S. 1974 . Digestibility, nitrogen retention and consumption of metabolizable energy by chickens on feeds of low and high concentration. . Swedish Journal of Agricultural Research, , 4 : 195 – 207 .
   Google Scholar
• Haakansson , J. , Eriksson , S. and Svensson , S.A. 1978 . The influence of feed energy level on feed consumption, growth and development of different organs of chicks . Swedish University of Agricultural Sciences, Report, , 59 : 1 – 54 .
   Google Scholar
• J⊘rgensen , H. , S⊘rensen , P. and Eggum , B.O. 1990 . Protein and energy metabolism in broiler chickens selected for either body weight gain or feed efficiency. . British Poultry Science, , 31 : 517 – 524 .
   PubMed Web of Science ®Google Scholar
• van der Klis , J.D. , Verstegen , M.W.A. and de Wit , W. 1990 . Absorption of minerals and retention time of dry matter in the gastrointestinal tract of broilers. . Poultry Science, , 69 : 2185 – 2194 .
   PubMed Web of Science ®Google Scholar
• Leenstra , F.R. and Pit , R. 1987 . Fat deposition in a broiler sire strain. 2. Comparisons among lines selected for less abdominal fat, lower feed conversion ratio and higher body weight after restricted and ad libitum feeding. . Poultry Science, , 66 : 193 – 202 .
   Web of Science ®Google Scholar
• Leenstra , F.R. , Pit , R. , van der Steen , H.A.M. and Van Arendonk , J.A.M. 1988 . “ Consequences of selection for feed conversion in broiler chicks, ” . In Advances in Animal Breeding: Proceedings of the World Symposium in Honour of Professor R.D. Politiek, , Edited by: Korver , S. 160 – 161 . Wageningen : Pudoc .
   Google Scholar
• McNab , J.M. and Shannon , D.W.F. 1972 . Studies of the process of digestion in the fowl: dry matter and total nitrogen. . British Poultry Science, , 13 : 495 – 502 .
   PubMed Web of Science ®Google Scholar
• Moughan , P.J. and Smith , W.C. 1987 . A note on the effect of cannulation of the terminal ileum of the growing pig on the apparent ileal digestibility of amino acids in ground barley. . Animal Production, , 44 : 319 – 321 .
   Google Scholar
• National Research Council (NRC) . 1984 . Nutrient Requirements of Poultry , New York, , USA : National Academic Press .
   Google Scholar
• Shafey , T.M. and McDonald , M.W. 1991 . The effects of dietary concentrations of minerals, source of protein, amino acids and antibiotics on the growth of and digestibility of amino acids by broiler chickens. . British Poultry Science, , 32 : 535 – 544 .
   PubMed Web of Science ®Google Scholar
• Slump , P. 1969 . Characterization of the nutritive value of food proteins by amino acid composition and the effect of heat and alkali treatment on the availability of amino acids. , The Netherlands : Utrecht . Dissertation
   Google Scholar
• Slump , P. , van Beek , L. , Janssen , W.M.M.A. , Terpstra , K. , Lenis , N.P. and Smits , B. 1977 . A comparative study with pigs, poultry and rats of the amino acid digestibility of diets containing crude protein with diverging digestibilities. . Zeitschrift fur Tierphysiologie, Tierernährung und Futtermittelkunde, , 39 : 257 – 272 .
   PubMedGoogle Scholar
• S⊘rensen , P. , Chwalibog , A. and Eggum , B.O. 1983 . Protein and energy metabolism in two lines of chickens selected for growth on high or low protein diets. . British Poultry Science, , 24 : 237 – 250 .
   PubMed Web of Science ®Google Scholar
• Summers , D.J. and Robblee , A.R. 1985 . Comparison of apparent amino acid digestibilities in anesthetized versus sacrificed chickens using diets containing soyabean meal and canola meal. . Poultry Science, , 64 : 536 – 541 .
   Web of Science ®Google Scholar
• Terpstra , K. 1979 . “ Total‐ and digestible amino acids, ” . In Proceedings of the 2nd European Symposium on Poultry Nutrition, , Edited by: Kan , C.A. and Simons , P.C.M. 97 – 101 . Beekbergen : The Netherlands .
   Google Scholar
• Terpstra , K. and de Hart , N. 1974 . The estimation of urinary nitrogen and faecal nitrogen in poultry excreta. . Zeitschrift für Tierphysiologie, Tiererndhrung und Futtermittelkunde, , 32 : 306 – 320 .
   PubMedGoogle Scholar
• Wallis , I.R. and Balnave , D. 1984 . The influence of environmental temperature, age and sex on the digestibility of amino acids in growing broiler chickens. . British Poultry Science, , 25 : 401 – 407 .
   PubMed Web of Science ®Google Scholar
• Webb , K.E. 1990 . Intestinal absorption of protein hydrolysis products: a review. . Journal of Animal Science, , 6 : 3011 – 3022 .
   Google Scholar
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   Google Scholar