The effect of feed restriction and housing system on performance, organ proportion and microbiota
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60460709%3A41210%2F24%3A98458" target="_blank" >RIV/60460709:41210/24:98458 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.17221/172/2023-CJAS" target="_blank" >https://doi.org/10.17221/172/2023-CJAS</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.17221/172/2023-CJAS" target="_blank" >10.17221/172/2023-CJAS</a>
Alternative languages
Result language
angličtina
Original language name
The effect of feed restriction and housing system on performance, organ proportion and microbiota
Original language description
The aim of the present study was to evaluate the effects of feed restriction and the combination of feed restriction with pasture on the performance parameters of fast-growing chickens, the proportion of internal organs and the caecum microbiota. In the experiment, one-day-old Ross 308 chickens were divided into three groups. Group 1 was fed ad libitum (AL), group 2 was restricted on feed at a rate of 70% ad libitum (R), group 3 was restricted to the same age and level as group 2, and was restricted to 22 days on pasture (FR). Feed restriction and the combination of feed restriction and pasture significantly reduced body weight beginning at the age of 14 days and at the end of the experiment (at 35 days), mortality, and the European Production Efficiency Factor (EPEF) but improved the feed conversion ratio (FCR) beginning at the 4th week of age. Conversely, feed restriction and the combination of feed restriction and pasture significantly increased the proportion of liver, gizzard and Lactobacillus in the caecum. In summary, feed restriction and the combination of feed restriction in the free range had negative effects on growth, feed conversion ratio and economic profit, presumably because of the short realimentation period and because pasture did not have a beneficial effect.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
40101 - Agriculture
Result continuities
Project
<a href="/en/project/QK1910387" target="_blank" >QK1910387: Quality and safety meat of chicken fed with insect meal, limited feed intake and pasture</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach
Others
Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Czech Journal of Animal Science
ISSN
1212-1819
e-ISSN
1805-9309
Volume of the periodical
69
Issue of the periodical within the volume
2
Country of publishing house
CZ - CZECH REPUBLIC
Number of pages
7
Pages from-to
68-74
UT code for WoS article
001168344600001
EID of the result in the Scopus database
2-s2.0-85187343923