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- Title
Boar taint - the effects of selected candidate genes associated with androstenone and skatole levels - a review.
- Authors
Zadinová, Kateřina; Stupka, Roman; Stratil, Antonín; Vehovský, Karel; Urbanová, Daniela; Čítek, Jaroslav
- Abstract
Androstenone and skatole are the two main components causing the so-called boar taint as well as the unpleasant taste of pork meat from boars. These substances increasingly accumulate in the adipose tissue after reaching sexual maturity. For this reason, boars are less frequently used for pork production. The most commonly used method for boar taint elimination is the castration of male pigs shortly after birth. Another way how to reduce the boar taint is the identification of candidate genes and SNPs (single nucleotide polymorphisms) that affect the androstenone and skatole levels in the adipose tissue of pigs. The aim of this review is to present and systematize the current knowledge about the genetic influences on androstenone and skatole levels. In recent years several studies focused on the identification of potential candidate genes have been carried out and a study which purpose was to verify whether these genes or their mutations may have a significant effect on androstenone and skatole levels in pigs. Several genes and their SNPs that significantly influence the levels of androstenone (CYP17A, CYB5, CYP21, SULT2A1, SULT2B1, HSD3B) and skatole (CYP2E1, CYP2A6, SULT1A1) were identified. In addition, there are other candidate genes (LH, TEAD3) whose association with the components of boar taint has not been clearly confirmed yet. Several studies also mentioned the possibility of interactions between genes themselves as well as the possibility of negative effects of the tested genes on important pig production characteristics as fertility and carcass value. It is therefore clear that thorough studies on the effect of individual genes on different components of boar taint are desirable.
- Subjects
ANDROSTENONES; SKATOLE; BOARS; SEXUAL maturity in swine; SINGLE nucleotide polymorphisms
- Publication
Animal Science Papers & Reports, 2016, Vol 34, Issue 2, p107
- ISSN
0860-4037
- Publication type
Article