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Akademický článek

The relationship between phosphorus retention and fibroblast growth factor 23 in broiler breeders

Autor: A.D. Magnuson, N. Boonsinchai, J. Caldas, J. England, C. Coon

Publikováno v: Poultry Science, Vol 103, Iss 8, Pp 103889- (2024)

ABSTRACT: Previous studies with broiler breeders indicate a P retention threshold when fed daily dietary levels of non-phytate P (NPP) exceeding 320 mg. Fibroblast growth factor 23 (FGF23) is a hormone secreted by osteocytes which modulates P retenti

Externí odkaz: https://doaj.org/article/20962108c336405daa146ef690f4e089

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Akademický článek

Interactions of the branched-chain amino acids. 1. Influence of dietary isoleucine and leucine on the valine requirement of male Cobb MV × 500 broilers for a 29- to 42-day finisher period

Autor: C.W. Maynard, G.J. Mullenix, C.J. Maynard, J.T. Lee, J. Caldas, J.Z. Hiltz, S.K. Orlowski, M.T. Kidd

Publikováno v: Journal of Applied Poultry Research, Vol 31, Iss 2, Pp 100246- (2022)

SUMMARY: Branched-chain amino acid requirements have traditionally been determined using dose-response titrations without accounting for the influence of branched-chain amino acid antagonism. As recent data has indicated that inherent levels of the n

Externí odkaz: https://doaj.org/article/32c88e6e3da04413b0fdc65f47fba5cf

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Akademický článek

Impact of varying starter amino acid density and energy on 42 d male Cobb MV × Cobb 500 broiler performance and processing

Autor: R.A. Hirai, L. Mejia, C. Coto, J. Caldas, C.D. McDaniel, K.G.S. Wamsley

Publikováno v: Journal of Applied Poultry Research, Vol 29, Iss 4, Pp 1004-1019 (2020)

Summary: Previous research has shown that feeding high amino acid density (AAD) diets or increased AME improved broiler performance, though the relationship between AAD and AME on performance needs to be further explored. Therefore, the objective of

Externí odkaz: https://doaj.org/article/c003189e33854629ba22e4091965f963

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Akademický článek

Impact of feeding varying grower digestible lysine and energy levels to female Cobb MV × Cobb 500 broilers from 14 to 28 D on 42 D growth performance, processing, and economic return

Autor: R.A. Hirai, L. Mejia, C. Coto, J. Caldas, C.D. McDaniel, K.G.S. Wamsley

Publikováno v: Journal of Applied Poultry Research, Vol 29, Iss 3, Pp 600-621 (2020)

Summary: Previous research in our laboratory has revealed that feeding crumbled diets with various levels of starter digestible Lys (dLys) and AME affects early feed conversion ratio (FCR) of Cobb MV × Cobb 500 broilers. However, overall performance

Externí odkaz: https://doaj.org/article/59358f4db86f42f99071dfabdef3ef83

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Akademický článek

Impact of feeding bigheaded carp fish meal on meat quality and sensory attributes in organic broiler chickens

Autor: I. Upadhyaya, K. Arsi, A. Fanatico, B. Wagle, S. Shrestha, A. Upadhyay, C.N. Coon, C.M. Owens, B. Mallmann, J. Caldas-Cueva, M.N. Riaz, M.B. Farnell, D.J. Donoghue, A.M. Donoghue

Publikováno v: Journal of Applied Poultry Research, Vol 31, Iss 1, Pp 100224- (2022)

SUMMARY: Novel protein feeds are needed in ecological and organic poultry production to supply natural sources of amino acids, particularly methionine. Synthetic amino acids are increasingly banned in certified organic production. Carp is an invasive

Externí odkaz: https://doaj.org/article/d54dafd71d3c4ed4989d2751356c036a

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Akademický článek

Evaluating the Response of Cobb MV × Cobb 500 Broilers to Varying Amino Acid Density Regimens for a Small Bird Program

Autor: R.A. Hirai, L. Mejia, C. Coto, J. Caldas, C.D. McDaniel, K.G.S. Wamsley

Publikováno v: Journal of Applied Poultry Research, Vol 28, Iss 4, Pp 943-962 (2019)

SUMMARY: Primary breeder companies are continuously striving to improve existing commercial broiler crosses to increase performance and reduce cost. The objective of this study was to evaluate the response of a new commercial broiler cross (Cobb MV �

Externí odkaz: https://doaj.org/article/afb5ffba8ee149ccaa1689c285e3ba67

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Akademický článek

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