The effect of genotype on the behaviour of free range chickens

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62156489%3A43110%2F17%3A43911777" target="_blank" >RIV/62156489:43110/17:43911777 - isvavai.cz</a>

Alternative codes found

RIV/62156489:43210/17:43911777

Result on the web

<a href="https://doi.org/10.5513/JCEA01/18.3.1937" target="_blank" >https://doi.org/10.5513/JCEA01/18.3.1937</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.5513/JCEA01/18.3.1937" target="_blank" >10.5513/JCEA01/18.3.1937</a>

Result language

angličtina

Original language name

The effect of genotype on the behaviour of free range chickens

Original language description

The purpose of this experiment was to investigate the behaviour of fast- and slow growing chickens, when the birds had access to the outdoors. Fifty of both 1-day-old male chicks of a laying hybrid ISA BROWN (IB) and broilers ROSS 308 (RS) were kept in two pens in the same building. In each group ten birds were marked with a colored spray. From three weeks of age the birds had access to the outdoors. From the age of one to seven weeks old, one day a week the marked birds were observed from 8:00 to 18:00 every ten minutes and the activity was noted. At 49 and 90 days old twenty birds were slaughtered and the strength of bones was measured. The behaviour was expressed as percentage of the time spent in activity. The average time that the birds spent eating during the 7 week period was almost the same in IB and RS. On average, IB birds spent significantly higher (P&lt;0.05) an amount of time moving around, but until the fifth week of age there was no significant difference between these genotypes. In IB, movement was the more frequent activity. The resting sitting down was the most frequent activity in RS and since three weeks of age they spent significantly more (P&lt;0.05) time with this activity than IB. On average, the IB birds spent significantly more (P&lt;0.05) time scratching than did the RS. No aggression or pecking was observed in the IB males during the whole test period. The strength of the femur was significantly higher in RS in comparison with IB in both ages (49d - P&lt;0.001, 90d - P&lt;0.05). Although the rules for organic farming dictate that the chickens have to have enough outdoor area to move around in, the fast growing broilers do not use it.

Czech name

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Czech description

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Type

J_SC - Article in a specialist periodical, which is included in the SCOPUS database

CEP classification

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OECD FORD branch

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

Project

—

Continuities

S - Specificky vyzkum na vysokych skolach

Publication year

2017

Confidentiality

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

Name of the periodical

Journal of Central European Agriculture

ISSN

1332-9049

e-ISSN

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Volume of the periodical

18

Issue of the periodical within the volume

3

Country of publishing house

HR - CROATIA

Number of pages

14

Pages from-to

632-645

UT code for WoS article

—

EID of the result in the Scopus database

2-s2.0-85029799923