References

Aravind, K.L., V.S. Patil, G. Devegowda, B. Umakantha and S.P. Ganpule, 2003. Efficacy of esterified glucomannan to counteract mycotoxicosis in naturally contaminated feed on performance and serum biochemical and hematological parameters in broilers. Poult. Sci., 82: 571-576.
Direct Link  |  

Corzo, A., E.T. Moran, Jr., D. Hoehler and A. Lemmell, 2005. Dietary tryptophan need of broiler males from forty-two to fifty-six days of age. Poult. Sci., 84: 226-231.
CrossRef  |  PubMed  |  Direct Link  |  

Corzo, A., M.T. Kidd, J.P. Thaxton and B.J. Kerr, 2005. Dietary tryptophan effects on growth and stress responses of male broiler chicks. Br. Poult. Sci., 4: 478-484.
CrossRef  |  Direct Link  |  

Denbow, D.M., F.C. Hobbs, R.M. Hulet, P.P. Graham and L.M. Poter, 1993. Supplemental dietary tryptophan effects on growth, meat quality and brain catecholamine and indolamine concentration in turkeys. Br. Poult. Sci., 34: 715-724.
Direct Link  |  

Duncan, D.B., 1955. Multiple range and multiple F tests. Biometrics, 11: 1-42.
CrossRef  |  Direct Link  |  

Han, Y.M., H. Suzuki and D.H. Baker, 1991. Histidine and tryptophan requirement of growing chicks. Poult. Sci., 70: 2148-2153.
Direct Link  |  

Harms, R.H. and G.B. Russell, 2000. Evaluation on tryptophan requirement of the commercial layer by using a corn-soybean meal based diet. Poult. Sci., 79: 740-741.
Direct Link  |  

Koid, K. and T. Ishibashi, 1995. Threonine requirement in female broilers affected by age and dietary amino acid level. Jap. Poult. Sci., 32: 371-378.
Direct Link  |  

Mullen, B.J. and R.J. Martin, 1992. The effect of dietary fat on diet selection may involve central serotonin. Am. J. Physiol., 263: R559-R563.
Direct Link  |  

NRC., 1994. Nutrient Requirements of Poultry. 9th Edn., National Academy of Sciences, USA., pp: 19-34.

Peganova, S. and K. Eder, 2003. Interactions of various supplies of isoleucine, valine, leucine and tryptophan on the performance of laying hens. Poult. Sci., 82: 100-105.
CrossRef  |  Direct Link  |  

Rogers, R. and G.M. Pesti, 1990. The influence of dietary tryptophan on broiler chick growth and lipid metabolism as mediated by dietary protein levels. Poult. Sci., 69: 746-756.
Direct Link  |  

Rosa, A.P., G.M. Pesti, H.M. Edwards and R. Bakalli, 2001. Tryptophan requirements of different broiler genotypes. Poult. Sci., 80: 1718-1722.
Direct Link  |  

SAS Institute, 1996. SAS User's Guide: Statistics. Version 7.0, SAS Inst. Inc., Cary, NC., USA.

Shan, A.S., K.G. Sterling, G.M. Pesti, R.I. Bakalli, J.P. Driver and A.A. Tejedor, 2003. The influence of temperature on the thereonine and tryptophan requirements of young broiler chickens. Poult. Sci., 82: 1154-1162.
Direct Link  |  

Shea-Moore, M.M., O.P. Thomas and J.A. Mench, 1996. Decrease in aggression in tryptophan supplemented broiler breeder males are not due to increases in blood niacin level. Poult. Sci., 75: 370-374.
Direct Link  |  

Smith, N.J. and P.W. Waldroup, 1988. Estimation of the tryptophan requirement of male broiler chickens. Poult. Sci., 67: 1174-1177.
Direct Link  |  

Steinhart, V.H. and M. Kirchgessner, 1984. Investigations on the requirement of tryptophan for broilers. Arch. Geflugelkunde, 48: 150-155.

Takman, J.M., J.K. Tews and A.E. Harper, 1990. Dietary disproportions of amino acids in the rat: Effects on food intake, plasma and brain amino acids and brain serotonin. J. Nutr., 120: 521-533.
PubMed  |  Direct Link  |