Duangsuda Chokchaloemwong

Duangsuda Chokchaloemwong
Nakhon Ratchasima Rajabhat University | NRRU · Northeastern Research Institute of Petrified Wood and Mineral Resources

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12
Publications
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107
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Introduction

Publications

Publications (12)
Conference Paper
Carcharodontosauria is a clade of theropods with a wide distribution in Laurasia and Gondwana from the Late Jurassic to the Late Cretaceous. However, carcharodontosaurs have been poorly known so far in the Early to mid-Cretaceous of Asia. For the first time, a definitive carcharodontosaurian theropod is established from a series of autapomorphies a...
Article
Full-text available
The isolated fossil remains of an allosauroid theropod from the Lower Cretaceous Khok Kruat Formation of Khorat, Thailand, are described in this study. Detailed observations support the establishment of a new allosauroid, Siamraptor suwati gen. et sp. nov. This new taxon is based on a composite cranial and postcranial skeleton comprising premaxilla...
Article
Full-text available
In contrast to the nearly global occurrence of fossil turtle eggs and eggshells, Southeast Asia had long been void of such fossil record. Consequently, the study of the turtle reproductive paleobiology was difficult in the region, despite that it helps to understand the evolutionary success of turtles through the Mesozoic. Here, we describe the fir...
Article
The dopaminergic (DAergic) system plays a pivotal role in incubation behavior via the regulation of prolactin (PRL) secretion in birds, however the role of the DA/PRL system in rearing behavior is poorly understood. The objective of this study was to investigate the relationship between the DA/PRL system and rearing behavior in a gallinaceous bird,...
Article
Full-text available
Oxytocin (OT) is known to induce and regulate maternal behaviors in mammals via the supraoptic nucleus and paraventricular nucleus (PVN), whereas the function of mesotocin (MT; the avian homolog of OT) is poorly understood in birds. To elucidate the association of MT and the regulation of maternal behaviors in birds, we studied changes in the numbe...
Article
Changes in the number of hypothalamic gonadotropin releasing hormone-I (GnRH-I) neurons within the Nucleus commissurae pallii (nCPa) were associated with the reproductive cycle of native Thai chickens. In order to further understand the association of GnRH-I in the regulation of brooding behavior in this bird, the native Thai chickens were divided...
Article
Full-text available
Plasma leptin concentrations were investigated during the reproductive cycle in the native Thai chicken. The plasma leptin concentration was high during non-laying (0.69±0.15ng/ml), lowered to a minimum concentration during egg laying (0.07±0.02ng/ml), and gradually increased during egg incubation and rearing of the chicks (0.53±0.22 and 0.74±0.29n...
Article
Vasoactive intestinal peptide (VIP) is the avian prolactin releasing factor and changes in the concentrations of plasma prolactin (PRL) are found during the avian reproductive cycle. This study investigated the changes in the VIP/PRL system of native Thai hens rearing their young as compared to hens deprived of rearing their chicks. The number of V...
Article
Gonadotropin releasing hormone-I (GnRH-I) is known to regulate the avian reproductive system. We investigated the roles of GnRH-I in the regulation of the reproductive system of the native Thai chicken. The distribution of GnRH-I neurons and changes in GnRH-I-immunoreactive (-ir) neurons throughout the reproductive stages and between incubating and...

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