We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Genetic Architecture of Innate Fear Behavior in Chickens.
- Authors
Ishikawa, Akira; Sakaguchi, Marina; Nagano, Atsushi J.; Suzuki, Sae
- Abstract
The genetic architecture of innate fear behavior in chickens is poorly understood. Here, we performed quantitative trait loci (QTL) analysis of innate responses to tonic immobility (TI) and open field (OF) fears in 242 newly hatched chicks of an F2 population between the native Japanese Nagoya breed and the White Leghorn breed using 881 single nucleotide polymorphism markers obtained by restriction site-associated DNA sequencing. At genome-wide 5% significance levels, four QTL for TI traits were revealed on chromosomes 1–3 and 24. Two of these loci had sex-specific effects on the traits. For OF traits, three QTL were revealed on chromosomes 2, 4 and 7. The TI and OF QTL identified showed no overlaps in genomic regions and different modes of inheritance. The three TI QTL and one OF QTL exerted antagonistic effects on the traits. The results demonstrated that context-dependent QTL underlie the variations in innate TI and OF behaviors.
- Subjects
CHICKENS; FEAR in animals; SINGLE nucleotide polymorphisms; BEHAVIOR; QUANTITATIVE genetics; NUCLEOTIDE sequence; BEHAVIOR genetics
- Publication
Behavior Genetics, 2020, Vol 50, Issue 6, p411
- ISSN
0001-8244
- Publication type
Article
- DOI
10.1007/s10519-020-10012-0