Phosphorus retention from barley-type diets with different levels of endo-phytase in broilers

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62156489%3A43210%2F17%3A43912471" target="_blank" >RIV/62156489:43210/17:43912471 - isvavai.cz</a>

Výsledek na webu

<a href="https://mnet.mendelu.cz/mendelnet2017/mnet_2017_full.pdf" target="_blank" >https://mnet.mendelu.cz/mendelnet2017/mnet_2017_full.pdf</a>

DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Phosphorus retention from barley-type diets with different levels of endo-phytase in broilers

Popis výsledku v původním jazyce

The efficacy of low-phosphorus diets with 0.20% of available phosphorus and two levels of phytase on growth rate, feed conversion ratio and phosphorus retention was examined in broiler chickens using eight replicates per treatment. The diets contained 40% of spring barley with 201 or 305 phytase activity units per kg. Chromic oxide was included in the diets as an indigestible marker. Excreta were collected during four consecutive three-day balance periods from the 12th to the 23rd day of age. No difference was observed for body weight gain between the dietary treatment groups but feed conversion ratio was better (P &lt; 0.05) when higher phytase barley was used. The contents of total phosphorus was 4.56 and 4.72 g/kg in low and high phytase diets, respectively. In spite of the higher level of phosphorus, the coefficient of apparent phosphorus retention was higher (P &lt; 0.01) in higher than in lower phytase group. The retention of phosphorus increased (P &lt; 0.01) with duration of feeding in both low-phosphorus dietary groups.

Název v anglickém jazyce

Phosphorus retention from barley-type diets with different levels of endo-phytase in broilers

Popis výsledku anglicky

The efficacy of low-phosphorus diets with 0.20% of available phosphorus and two levels of phytase on growth rate, feed conversion ratio and phosphorus retention was examined in broiler chickens using eight replicates per treatment. The diets contained 40% of spring barley with 201 or 305 phytase activity units per kg. Chromic oxide was included in the diets as an indigestible marker. Excreta were collected during four consecutive three-day balance periods from the 12th to the 23rd day of age. No difference was observed for body weight gain between the dietary treatment groups but feed conversion ratio was better (P &lt; 0.05) when higher phytase barley was used. The contents of total phosphorus was 4.56 and 4.72 g/kg in low and high phytase diets, respectively. In spite of the higher level of phosphorus, the coefficient of apparent phosphorus retention was higher (P &lt; 0.01) in higher than in lower phytase group. The retention of phosphorus increased (P &lt; 0.01) with duration of feeding in both low-phosphorus dietary groups.

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

40201 - Animal and dairy science; (Animal biotechnology to be 4.4)

Projekt

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Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2017

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

MendelNet 2017: Proceedings of International PhD Students Conference

ISBN

978-80-7509-529-9

ISSN

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e-ISSN

neuvedeno

Počet stran výsledku

4

Strana od-do

277-280

Název nakladatele

Mendelova univerzita v Brně

Místo vydání

Brno

Místo konání akce

Brno

Datum konání akce

8. 11. 2017

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

000440194500049