Cechy metryczne przewodu pokarmowego oraz efekty produkcyjne kurcząt rzeźnych żywionych mieszankami pełnoporcjowymi zawierającymi drożdże gorzelnicze i piwne

• Authors: Możanowicz Natalia , Król Barbara , Słupczyńska Maja , Hikawczuk Tomasz , Sierżant Kamil , Wilk Martyna

Title variants

EN

Growth performance and gastrointestinal tract allometry of broiler chickens fed with complete feed mixtures including distiller’s and brewer’s yeast

• Languages of publication: PL

Abstracts

PL

Celem badań było określenie wpływu drożdży gorzelniczych i piwnych podawanych w mieszankach pełnoporcjowych dla kurcząt rzeźnych na wybrane parametry przewodu pokarmowego oraz efekty produkcyjne. Badania przeprowadzono na 90 kurczętach rzeźnych rasy Hubbard odmiany białej, które w 28. dniu życia przydzielono do 5 grup żywieniowych. Czynnikiem różnicującym grupy żywieniowe był rodzaj i poziom drożdży zastosowanych w mieszance pełnoporcjowej typu finisher. Zwierzęta z grupy kontrolnej otrzymywały mieszankę bez dodatku drożdży, natomiast w grupach doświadczalnych zastosowano 2 i 4% udziału drożdży gorzelniczych (grupy II i III) oraz 2 i 4% udziału drożdży piwnych (grupy IV i V). Uzyskane wyniki wskazują, że kurczęta rzeźne otrzymujące w mieszance pełnoporcjowej drożdże, zarówno gorzelnicze, jak i browarniane, charakteryzowały się lepszymi (P≤0,05) wskaźnikami produkcyjnymi: przyrostami masy ciała, pobraniem paszy oraz współczynnikiem wykorzystania paszy na 1 kg przyrostu masy ciała niż ptaki z grupy kontrolnej. Nie stwierdzono istotnego wpływu dodatku drożdży na allometrię przewodu pokarmowego.

EN

The aim of the study was to determine the effect of distiller’s and brewer’s yeast added to complete feed mixtures for broiler chickens on selected allometric parameters of digestive tract as well as birds growth performance. The experiment was carried out on 90 Hubbard white broiler chickens randomly divided on 28 d. of the experiment into 5 experimental groups differed by kind and amount of yeasts in complete feed mixtures as follows: group I (negative control), groups II and III – distillers yeast in amount of 2 and 4%, respectively and groups IV and V – brewer’s yeast in amount of 2 and 4%, respectively. Obtained research data indicated that chickens fed with complete feed mixture containing both, brewer’s and distillers yeast addition, had higher body weight gains (P≤0.05) in comparison with control group what was clearly confirmed in lower (P≤0.05) FI and FCR. Yeast administration, both distillers and brewers, added to concentrate mixtures did not significantly affect the selected parameters of chicken digestive tract.

Keywords

PL

drożdże gorzelnicze; drożdże piwne; brojlery; allometria przewodu pokarmowego; wskaźniki produkcyjne

EN

distiller’s yeast; brewer’s yeast; broiler; digestive tract allometry; growth performance

• Publisher: Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu
• Journal: Prace Naukowe Uniwersytetu Ekonomicznego we Wrocławiu
• Year: 2018
• Issue: 542
• Pages: 122-131

Contributors

author

Możanowicz Natalia

author

Król Barbara

author

Słupczyńska Maja

author

Hikawczuk Tomasz

author

Sierżant Kamil

author

Wilk Martyna

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