Poultry Science Association 101st Annual Meeting Program

P324 Methionine plus cystine for pullets from 7 to 12 weeks of age.
F. G. Perazzo-Costa* 1 , J. P. F. Junior 1 , M. H. M. Santana 1 , Y. Mercier 2 , A. P.
Gereart 2 , M. L. Ceccantini 3 , G. V. B. Lobato 1 , M. R. Lima 1 , and S. B. Neto 1 ,
1 Federal University of Paraiba, Areia, Paraiba, Brazil, 2 Adisseo France,
Antony, France, 3 Adisseo Brasil, Sao Paulo, SP, Brazil.
P325 Tryptophan:lysine ratio constant on performance of Japanese quails.
M. R. Lima 1 , F. G. Perazzo-Costs* 1 , L. S. Dantas 1 , L. E. Cavalcante 1 , R. M.
Correia 1 , A. P. B. Silva 1 , J. G. V. Junior 1 , G. S. Lima 1 , E. T. Nogueira 2 , and L.
Sa 2 , 1 Federak University of Paraiba, Areia, Paraiba, Brazil, 2 Ajinomoto do
Brasil, Sao Paulo, SP, Brazil.
P326 Influence of digestible tryptophan on the reproductive tract of layers.
M. R. Lima 1 , F. G. Perazzo-Costa* 1 , E. T. Nogueira 2 , L. Sa 2 , L. S. Dantas 1 , L.
E. Cavalcante 1 , R. M. Correia 1 , A. P. B. Silva 1 , G. S. Lima 1 , S. B. S. Neto 1 , J. G.
V. Junior 1 , and R. R. Guerra 1 , 1 Federal University of Paraiba, Areia, Paraiba,
Brazil, 2 Ajinomoto do Brasil, Sao Paulo, SP, Brazil.
P327 The impact of supplementing low protein diets with synthetic amino acids
on laying hen performance.
A. M. Greaves* sc , D. M. Anderson, and J. L. MacIsaac, Nova Scotia
Agricultural College, Truro, Nova Scotia, Canada.
P328 The effect of feeding low-density diets to Hy-Line W-98 and Brown laying
hens on production performance with or without the use of perches.
A. Antunes 1 , E. Baez* 1 , A. Gernat 1 , N. O’Sullivan 2 , and J. Arango 2 , 1 Escuela
Agricola Panamericana/Zamorano, Tegucigalpa, Honduras, 2 Hy-Line
International, Dallas Center, IA.
P329 A determination of order of limiting amino acids in a low crude protein
diet for laying hens.
J. H. V. Da Silva*, T. S. Melo, D. V. G. Vieira, P. B. De Lacerda, J. J. Filho,
J. M. F. Brito, E. Y. G. S. Cruz, A. N. Da Silva, and G. M. Dantas, UFPB,
Bananeiras, Paraíba, Brazil.
P330 Threonine requirements for pullets based on protein deposition and
efficiency of dietary threonine.
M. A. Bonato* 1 , N. K. Sakomura 1 , E. P. Silva 1 , D. C. Z. Donato 1 , and F.
Liebert 2 , 1 Universidade Estadual Paulista, Faculdade de Ciências Agrárias
e Veterinárias, Jaboticabal, Brazil, 2 Georg-August-Universität, Göettingen,
Germany.
P331 Comparison of two techniques for describing the nitrogen deposition
potential in pullets.
E. P. Silva* 1 , N. K. Sakomura 1 , J. A. Araujo 1 , J. C. P. Dorigam 1 , D. C. Z.
Donato 1 , and A. Sünder 2 , 1 Universidade Estadual Paulista, Faculdade de
Ciências Agrárias e Veterinárias, Jaboticabal, Brazil, 2 George-August
Universität, Göttingen, Germany.
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POSTERS