Comparación del aceite de krill y aceite de salmón en la mejoría de la condición dérmica en perros (Canis lupus familiaris) en una clínica del centro de Guayaquil.

Abstract

Skin dryness and scaling in dogs are common dermatological alterations that may compromise skin integrity and coat quality. The aim of this study was to compare the effects of krill oil and salmon oil supplementation on the dermal condition of dogs treated at a veterinary clinic in central Guayaquil. A quantitative study with an experimental design, comparative scope, and cross-sectional approach was conducted, evaluating krill oil and salmon oil supplementation over a 45-day period in dogs presenting skin dryness or scaling. The methodology included coat evaluation through trichogram analysis, as well as skin assessment using tape impression and superficial skin scraping, considering cytological and microbiological parameters. Statistical analysis was performed using analysis of variance (ANOVA) to compare differences between treatment groups. Intra-group differences at days 0, 15, 30, and 45 were assessed using the non-parametric Kruskal–Wallis test. The results demonstrated a statistically significant association between the type of supplement and modulation of the hair follicle cycle. Dogs supplemented with krill oil showed a significant increase in the anagen phase and a reduction in the telogen phase (p < 0.05), whereas the salmon oil group exhibited a significant increase in the catagen phase (p < 0.05). In conclusion, marine oil supplementation exerted a positive effect on skin and coat condition, with krill oil showing the greatest impact on hair cycle modulation.