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Hair cortisol concentrations in New Zealand white rabbits subjected to surgery
Tanja Peric, Antonella Comin, Mirco Corazzin, Marta Montillo, Federico Canavese, Marco Stebel, Alberto Prandi, 2018, izvirni znanstveni članek

Opis: The aim of this study was to assess hair cortisol concentrations in New Zealand white rabbits (Oryctolagus cuniculus) that were subjected to relocation and surgery to evaluate HPA-axis activity; in addition, we used this marker of cortisol secretion to evaluate the allostatic load of animals undergoing surgery. After a period of acclimatisation, which lasted 40 days from their arrival at the enclosure, 19 rabbits were subjected to T1–T12 dorsal arthrodesis (RS), 19 were sham-operated (SS), and 19 were non-operated (CON). Hair samples were collected at the time of arrival (ST1) at the animal facility, and seven other sets of hair samples were collected at 40-day intervals from the same area of skin for a period of 240 days as re-shaved hair (anagen phase): immediately before surgery (ST2) and after the surgery (ST3, ST4, ST5, ST6, ST7, and ST8). The transition from the rabbitry to the animal breeding facility led to a significant increase in cortisol concentration (ST2) in all of the groups. At ST3, the RS group presented higher cortisol concentrations than those of the SS group and the CON group. At ST4, the experimental groups showed similar values that remained constant until ST8. The results show that the management of rabbits undergoing surgery should be evaluated very carefully, and hair cortisol concentrations may provide a means of avoiding the dangerous cumulative effects of additional stressors close to surgery.
Najdeno v: ključnih besedah
Povzetek najdenega: ...animal welfare, cortisol, hair, HPA axis, rabbit, surgery...
Ključne besede: animal welfare, cortisol, hair, HPA axis, rabbit, surgery
Objavljeno: 09.02.2018; Ogledov: 705; Prenosov: 0
.pdf Polno besedilo (186,99 KB)

Qualitative behaviour assessment in intensively and extensively reared lambs
Raul Bodas, Tanja Peric, 2019, objavljeni povzetek znanstvenega prispevka na konferenci

Opis: Qualitative behaviour assessment (QBA, from the AWIN welfare assessment protocol for sheep) relies on the ability of humans to integrate perceived details of behaviour into descriptors with emotional connotation that can be scaled and added to other quantitative indicators. The complete AWIN protocol was performed in 14 groups (6 extensive, 2 semi-intensive and 6 intensive rearing system) of 15 young lambs (2 months of age) participating in the EcoLamb project (ERA-Net SusAn funded), which aims to holistically evaluate lamb production sustainability (meat quality, ecological footprint and animal welfare). Data on QBA (items were being scaled from 0 –absence- to 10 -all the animals fully expressed the evaluated item-), familiar approach and fleece quality tests were subjected to descriptive statistics analyses and showed herein. Extensively reared lambs scored higher in descriptors such as aggressive, defensive, physically uncomfortable or apathetic, whereas intensively reared lambs showed higher values in descriptors such as agitated and fearful but also in other as active, sociable, vigorous, subdued, calm, inquisitive and assertive. Semi-intensively reared lambs scored in between. All the animals ruminated to some extent (when observed), the quality of the fleece was always acceptable and no stereotypes were recorded. Minor lameness problems were observed in one extensive farm. Regarding familiar approach, all animals (except in one farm) voluntarily approached to human, despite a flight distance of 2 to 4 m was observed at the beginning. Although animal welfare is a real complex matter to be assessed, do animals from different rearing systems express different degree of positive emotional state?
Najdeno v: ključnih besedah
Povzetek najdenega: ...Qualitative behaviour assessment (QBA, from the AWIN welfare assessment protocol for sheep) relies on the...
Ključne besede: welfare, behaviour, lambs, sheep
Objavljeno: 16.09.2019; Ogledov: 194; Prenosov: 0
.pdf Polno besedilo (204,59 KB)

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