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Assessment of positive experiences using associative learning
ID Zupan Šemrov, Manja (Avtor), ID Terčič, Dušan (Avtor), ID Gobbo, Elena (Avtor)

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Izvleček
To determine whether differences in positive experiences can influence associative learning ability, 2 tasks were conducted with 90 laying hens at the peak of the laying period. The selected hens were reared in a larger flock under the same housing conditions without perches, so they had the same rearing experiences and were moved to either enriched cages or to the floor system at 16 wk of age. They belonged to 3 breeds (Slovenian barred hen: Ba; brown hen: Br; silver hen, S), with 30 hens per breed. The predictor signal, the sound of a clicker, with a 3-second delayed reinforcer (commercial layer feed) was used to mark the desired behaviour (pecking for feed). Hens that associated feed with a clicker (85.06%) were taught 2 tasks, the colour discrimination task (CD) and the target following task (TF). In the CD, the hens had to discriminate between yellow, red and blue colors and peck at a yellow magnet only. In the TF, the desired behaviour was to follow a target, a purple ball on a stick, from 1 perch to another and peck it at the end of the perch. The main results of the hens associating the signal with feed were that the Ba hens learned faster than the S hens (P = 0.006) and required fewer clicker sounds than the Br hens in the CD (P = 0.003). Floor hens that completed CD or TF or both took less time to complete the task (CD, P = 0.03, TF, P = 0.06; both tasks, P = 0.02) or with fewer clicker sounds (CD task; P = 0.02) than cage hens. Although these results suggest that Ba hens and floor hens showed better associate learning performance, probably because they perceived their environment as more rewarding and thus potentially more positive, caution is needed in interpretation considering social experiences and that the ability to perch and the ability to move quickly on a perch can be confounded in TF and both tasks can be confounded with foraging ability.

Jezik:Angleški jezik
Ključne besede:laying hen, associative learning, floor system, enriched cage, positive welfare
Vrsta gradiva:Članek v reviji
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:BF - Biotehniška fakulteta
Status publikacije:Objavljeno
Različica publikacije:Objavljena publikacija
Leto izida:2024
Št. strani:10 str.
Številčenje:Vol. 103, iss. 12, art. 104282
PID:20.500.12556/RUL-164328 Povezava se odpre v novem oknu
UDK:636.5:591.5
ISSN pri članku:1525-3171
DOI:10.1016/j.psj.2024.104282 Povezava se odpre v novem oknu
COBISS.SI-ID:206593283 Povezava se odpre v novem oknu
Datum objave v RUL:22.10.2024
Število ogledov:63
Število prenosov:4
Metapodatki:XML DC-XML DC-RDF
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Gradivo je del revije

Naslov:Poultry science
Skrajšan naslov:Poult. sci.
Založnik:Poultry Science Association
ISSN:1525-3171
COBISS.SI-ID:520795929 Povezava se odpre v novem oknu

Licence

Licenca:CC BY-NC-ND 4.0, Creative Commons Priznanje avtorstva-Nekomercialno-Brez predelav 4.0 Mednarodna
Povezava:http://creativecommons.org/licenses/by-nc-nd/4.0/deed.sl
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Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:perutnina, kokoši nesnice, obnašanje živali, etologija, učenje, pozitivne izkušnje, uhlevitev, talna reja, obogatene kletke

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