Comparison of the histology of the skin of the Windsnyer, Kolbroek and Large White pigs

Journal of the South African Veterinary Association

 
 
Field Value
 
Title Comparison of the histology of the skin of the Windsnyer, Kolbroek and Large White pigs
 
Creator Moyo, Davison Gomes, Monica Erlwanger, Kennedy H.
 
Subject veterinary science; comparative anatomy pigs; skin; sweat glands; melanin; thermoregulation; climate change
Description The skin is a protective barrier, and an endocrine, sensory and thermoregulatory organ. We investigated whether the skin of local pigs had beneficial anatomical traits compared to exotic pigs to withstand the increased heat loads predicted under future climate change scenarios. Full-thickness skin specimens were obtained from the dorsal interscapular, lateral thoraco-abdominal and ventral abdominal regions of intact boars (age 6–8 months) of two local breeds of pigs (Windsnyer [n = 5] and Kolbroek [n = 4]) and an exotic pig breed (Large White [n = 7]). The skin sections were stained with a one-step Mallory–Heidenhain stain and Fontana stain (melanin). Sweat gland perimeter was measured using Image J software. The Windsnyer breed had the thinnest dermis layer while the Large White had the thickest dermis layer across all the three body regions (analysis of variance [ANOVA]; p  0.001). The Windsnyers had widely spaced dermal pegs compared to the other breeds. The Windsnyers had significantly more superficial and larger (~1 mm depth; 4.4 mm perimeter) sweat glands than the Kolbroek (~3 mm depth; 2.2 mm perimeter) and Large White (~4 mm depth; 2.0 mm perimeter) pigs (ANOVA; p  0.001). The Windsnyers had visibly more melanin in the basal layer, the Kolbroek pigs had very little and the Large Whites had none. The functionality of the sweat glands of the Windsnyer breed needs to be established. The skin from the Windsnyer breed possesses traits that may confer a protective advantage for the increased solar radiation and ambient temperatures predicted with climate change.
 
Publisher AOSIS
 
Contributor NRF, University of the Witwatersrand and the Oppenheimer Memorial Trust
Date 2018-09-25
 
Type info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion — —
Format text/html application/epub+zip application/xml application/pdf
Identifier 10.4102/jsava.v89i0.1569
 
Source Journal of the South African Veterinary Association; Vol 89 (2018); 10 pages 2224-9435 1019-9128
 
Language eng
 
Relation
The following web links (URLs) may trigger a file download or direct you to an alternative webpage to gain access to a publication file format of the published article:

https://jsava.co.za/index.php/jsava/article/view/1569/2102 https://jsava.co.za/index.php/jsava/article/view/1569/2101 https://jsava.co.za/index.php/jsava/article/view/1569/2103 https://jsava.co.za/index.php/jsava/article/view/1569/2100
 
Coverage — — —
Rights Copyright (c) 2018 Davison Moyo, Monica Gomes, Kennedy H. Erlwanger https://creativecommons.org/licenses/by/4.0
ADVERTISEMENT