Stress neuroendocrine profiles in five pig breeding lines and the relationship with carcass composition
| Autor: | Marta Gil, M. Font i Furnols, M. Hortós, A. Foury, Sarah C. Blott, D. Carrión, N. A. Geverink, Pierre Mormède, Marina Gispert, Graham Plastow |
|---|---|
| Přispěvatelé: | Psychoneuroimmunologie, nutrition et génétique, Université Bordeaux Segalen - Bordeaux 2-Institut National de la Recherche Agronomique (INRA)-Centre National de la Recherche Scientifique (CNRS), Institute of Agrifood Research and Technology (IRTA), PIC International Group, Partenaires INRAE, Sygen International Plc |
| Jazyk: | angličtina |
| Rok vydání: | 2007 |
| Předmět: |
medicine.medical_specialty
Sympathetic nervous system HYPOTHALAMIC-PITUITARY-ADRENAL AXIS Urine Adrenocorticotropic hormone Biology cortisol SF1-1100 03 medical and health sciences Basal (phylogenetics) chemistry.chemical_compound stress Internal medicine medicine genetics Allele ComputingMilieux_MISCELLANEOUS 030304 developmental biology Morning 2. Zero hunger 0303 health sciences Creatinine ETAT D'ENGRAISSEMENT 0402 animal and dairy science 04 agricultural and veterinary sciences GENETIQUE 040201 dairy & animal science fatness Animal culture Endocrinology medicine.anatomical_structure chemistry HPA [SDV.SA.SPA]Life Sciences [q-bio]/Agricultural sciences/Animal production studies Animal Science and Zoology catecholamines Hormone |
| Zdroj: | Animal, Vol 1, Iss 7, Pp 973-982 (2007) animal animal, Published by Elsevier (since 2021) / Cambridge University Press (until 2020), 2007, 1 (7), pp.973-982. ⟨10.1017/S1751731107000249⟩ Animal Animal, Published by Elsevier (since 2021) / Cambridge University Press (until 2020), 2007, 1 (7), pp.973-982. ⟨10.1017/S1751731107000249⟩ |
| ISSN: | 1751-7311 1751-732X |
| DOI: | 10.1017/S1751731107000249⟩ |
| Popis: | Stress neuroendocrine systems (hypothalamic–pituitary–adrenal axis and sympathetic nervous system) were studied in 100 female pigs from each of the five main genetic lines used in Europe for pork production: Pietrain, Large White, Landrace, Duroc and Meishan. Levels of cortisol and catecholamines were measured in urine collected at the farm, after transportation to the slaughterhouse and the next morning before slaughter. With the exception of the Pietrain line that showed intermediate levels of cortisol despite its extreme leanness, a significant positive relationship was found between basal cortisol levels and fatness, both across and within (except in Pietrain and Duroc) lines. Basal cortisol levels were 2.46-fold higher in Meishan (20.46 ng/mg creatinine) than in Large White pigs (8.30 ng/mg creatinine), the two extreme breeds. Post-transportation levels were highest but proportional to basal levels, suggesting that the adrenal reactivity to adrenocorticotropic hormone is a major source of variability between lines. Levels of catecholamines were less variable between lines but correlated also with fatness, partlyviapartial correlations with cortisol levels. In serum collected at exsanguination, creatine kinase activity was correlated with muscularity across the five breeds. However, this was due to a much larger activity than expected in Pietrain pigs, although all animals were negative for the allele of the ryanodine receptor gene responsible for stress sensitivity. Serum glucose levels were inversely related to fatness. These data show that the differences between breeds or lines can be utilised by cross-breeding and that this can lead to changes in stress hormones and in turn to some degree of changes in carcass traits. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|