Antioxidant Activity of Different Tissues from Rabbits Fed Dietary Bovine Colostrum Supplementation

Author:

Serra Valentina1ORCID,Castrica Marta1ORCID,Agradi Stella1ORCID,Curone Giulio1ORCID,Vigo Daniele1ORCID,Di Giancamillo Alessia2ORCID,Modina Silvia Clotilde1ORCID,Riva Federica1ORCID,Balzaretti Claudia Maria1ORCID,De Bellis Roberta3,Brecchia Gabriele1ORCID,Pastorelli Grazia1ORCID

Affiliation:

1. Department of Veterinary Medicine and Animal Sciences, University of Milan, Via dell’Università 6, 26900 Lodi, Italy

2. Department of Biomedical Sciences for Health, University of Milan, Via Mangiagalli 31, 20133 Milan, Italy

3. Department of Biomolecular Sciences, University of Urbino “Carlo Bo”, Via A. Saffi 2, 61029 Urbino, Italy

Abstract

Recent advances in animal nutrition have indicated that bovine colostrum (BC), due to its content of macronutrients, micronutrients and bioactive compounds, is an excellent health supplement. To the best of our knowledge, no studies on the effect of BC on antioxidant status have been performed in rabbits. This study aimed to investigate the effect of two BC concentrations on antioxidant status and gene expression of antioxidant enzymes in some tissues of rabbits. Thirty New Zealand White male rabbits were randomly divided into three experimental diets, containing 0% (CON), 2.5%, and 5% of BC (BC-2.5 and BC-5, respectively). The activity of antioxidant enzymes in plasma (catalase: CAT; glutathione peroxidase: GPx; superoxide dismutase: SOD), and the enzymes’ gene expression in the liver and longissimus dorsi muscle, were determined. Results showed no significant differences, neither in plasma nor in tissues. A significant tissue-related effect has been observed regarding the mRNA levels of SOD and GPx, which were higher in the LD (p = 0.022) and liver (p = 0.001), respectively. Further studies, considering modifications of the length and dosage of dietary BC supplementation, are required to update the current state of knowledge in rabbits, as well as to fully understand the potential value of BC for possible application in farming use.

Funder

UNIMI Research Support Plan

Publisher

MDPI AG

Subject

General Veterinary,Animal Science and Zoology

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