The regional distribution and relative frequency of gastro-intestinal endocrine cells were studied during the postnatal development(1 day old, 1 month old, 6-month-old and adult) of the Korean native goat by silver techniques.
Argyrophil positive cells were found throughout the gastrointestinal tract at postnatal stages, and they were most predominant in the fundic gland regions. In general, the number of these cells was observed to decrease gradually from the stomach to the rectum except for the colon which showed a temporary increase. Increasing with age, these cells decreased from the birth to the 1 month of age and increased markedly from the 6-month-old in the stomach and the small intestine, whereas these cells were remarkably decreased in the 6-month-old and again increased in the adult.
Argentaffin positive cells were observed in the entire gastrointestinal tract of all postnatal stages except for the colon in the 6-month-old. The highest number of these cells was also observed in the colon of the 1 day old, the duodenum of the 1 month old and the adult, and in the pyloric gland region of the 6-month-old, respectively. These cells in the other parts were observed with almost similar frequency. As the goat age, these cells were observed to increase in frequency in the other parts except for the fundic gland region. Thus, the number of these cells which reacted to the silver staining was observed to increase throughout the gastrointestinal tract according to the animal age.
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