Crowing-type chicken is one of the important chicken breeds in Indonesia. This study was conducted to investigate the crowing characters of Pelung chicken and the effect of exon 7 FoxP2 gene polymorphism in mute chicken. Chicken were obtained from local breeder. Pelung chicken crowing and morphology characterizations were conducted in Cianjur, West Java, Indonesia. Chicken breeding (♀ ...

The chicken domestication process represents a typical model of artificial selection, and gives significant insight into the general understanding of the influence of artificial selection on recognizable phenotypes. Two Japanese domesticated chicken varieties, the fighting cock (Shamo) and the long-crowing chicken (Naganakidori), have been selectively bred for dramatically different phenotypes....

Abstract All birds produce vocalizations as a form of tcommunication with other individuals. Different from songbirds, crowing is singing vocalization produced by chickens that cannot be learned through imitation. Some genes are assumed to responsible for this activity. The long-crowing have melodious and long sound, so they categorized chickens. They part the biodiversity in Indonesia, which h...

The "cock-a-doodle-doo" crowing of roosters, which symbolizes the break of dawn in many cultures, is controlled by the circadian clock. When one rooster announces the break of dawn, others in the vicinity immediately follow. Chickens are highly social animals, and they develop a linear and fixed hierarchy in small groups. We found that when chickens were housed in small groups, the top-ranking ...

To examine the sex differences in the crowing behavior of the Japanese quail, we investigated the effects of sex steroids on calling behaviors using female birds, and the data were compared with those obtained in our previous study in male birds which was performed using the same experimental procedures as those in the present study. We injected the female quails daily from 11 to 41 days after ...

AKB is a native chicken from West Sumatra. The Minang people reportedly call it Balenggek which has cascading rhythmic crowing sound. comes crosses of the Red Junglefowl (Gallus gallus) with local chickens. source wealth for livestock in Indonesia that needs to be protected and preserved . This research consisted two stages. first stage aimed identify qualitative quantitative characteristics se...

interesting questions related to a hot topic will eventually be revealed by somebody. Therefore, I try to study what other people do not. One thing I try to keep in mind is whether my questions are of general interest. My major interest lies in the underlying mechanism of seasonality. Because research on this topic requires a long time, few people want to work on this topic. I used quail as a m...