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Statements

Subject Item
n2:RIV%2F00027014%3A_____%2F12%3A%230001691%21RIV13-MZE-00027014
rdf:type
skos:Concept n14:Vysledek
rdfs:seeAlso
http://www.agriculturejournals.cz/publicFiles/76874.pdf
dcterms:description
A 2 x 2 factorial design experiment examined the effect of dietary non-phytate phosphorus (NPP) (1,3 and 4,0 g/kg) and 3-phytase (F) (0 and 150 FTU/kg) on the performance indicators of hens, physical parameters of eggs, phosphorus (P) content of the eggshells, and the pH of the digestive tract of laying hens. Two hundred and forty hens (ISA Brown) were housed in enriched cages and fed a wheat-maize-based diet. A significant effect of both NPP and F was found for the yolk colour (P = 0,016) and shell thickness (P = 0,038). The F supplement or higher level of NPP alone and in combination increased the value of the yolk colour and shell thickness. The supplementation of the basal diet with F significantly increased the laying performance, especially with regard to the egg weight and feed conversion ratio. The higher dose of NPP had a negative effect on the egg production, feed intake, and feed conversion ratio. The lower level of NPP (1,3 g/kg) decreased the internal egg quality and shell quality, except for the shell strength. In contrast, the addition of 3-phytase to the diet increased the shell thickness and shell weight. The P content in the eggshells was not influenced by the dietary treatment. The higher level of NPP or F increased the pH in the gizzard to a value suitable for F activity. The hens fed a diet containing 1,3 g/kg NPP achieved a higher performance; moreover, the F supplement at 150 FTU/kg increased the external quality of the eggs. A 2 x 2 factorial design experiment examined the effect of dietary non-phytate phosphorus (NPP) (1,3 and 4,0 g/kg) and 3-phytase (F) (0 and 150 FTU/kg) on the performance indicators of hens, physical parameters of eggs, phosphorus (P) content of the eggshells, and the pH of the digestive tract of laying hens. Two hundred and forty hens (ISA Brown) were housed in enriched cages and fed a wheat-maize-based diet. A significant effect of both NPP and F was found for the yolk colour (P = 0,016) and shell thickness (P = 0,038). The F supplement or higher level of NPP alone and in combination increased the value of the yolk colour and shell thickness. The supplementation of the basal diet with F significantly increased the laying performance, especially with regard to the egg weight and feed conversion ratio. The higher dose of NPP had a negative effect on the egg production, feed intake, and feed conversion ratio. The lower level of NPP (1,3 g/kg) decreased the internal egg quality and shell quality, except for the shell strength. In contrast, the addition of 3-phytase to the diet increased the shell thickness and shell weight. The P content in the eggshells was not influenced by the dietary treatment. The higher level of NPP or F increased the pH in the gizzard to a value suitable for F activity. The hens fed a diet containing 1,3 g/kg NPP achieved a higher performance; moreover, the F supplement at 150 FTU/kg increased the external quality of the eggs.
dcterms:title
Efficacy of contrast levels of non-phytate phosphorus and Aspergillus niger phytase in hens fed wheat-maize-based diets Efficacy of contrast levels of non-phytate phosphorus and Aspergillus niger phytase in hens fed wheat-maize-based diets
skos:prefLabel
Efficacy of contrast levels of non-phytate phosphorus and Aspergillus niger phytase in hens fed wheat-maize-based diets Efficacy of contrast levels of non-phytate phosphorus and Aspergillus niger phytase in hens fed wheat-maize-based diets
skos:notation
RIV/00027014:_____/12:#0001691!RIV13-MZE-00027014
n14:predkladatel
n18:ico%3A00027014
n3:aktivita
n19:Z
n3:aktivity
Z(MZE0002701403)
n3:cisloPeriodika
11
n3:dodaniDat
n12:2013
n3:domaciTvurceVysledku
n9:7480954 n9:7126875 n9:3458504 n9:1698362
n3:druhVysledku
n7:J
n3:duvernostUdaju
n16:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
133523
n3:idVysledku
RIV/00027014:_____/12:#0001691
n3:jazykVysledku
n6:eng
n3:klicovaSlova
laying hen, egg production, feed intake, eggshell quality, pH
n3:klicoveSlovo
n4:feed%20intake n4:laying%20hen n4:pH n4:eggshell%20quality n4:egg%20production
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[47A49A606B84]
n3:nazevZdroje
Czech Journal of Animal Science
n3:obor
n5:GH
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
4
n3:rokUplatneniVysledku
n12:2012
n3:svazekPeriodika
57
n3:tvurceVysledku
Marounek, Milan Skřivan, Miloš Englmaierová, Michaela Dlouhá, Gabriela
n3:wos
000311401100001
n3:zamer
n15:MZE0002701403
s:issn
1212-1819
s:numberOfPages
7