학술논문
동물행동학 연구
이용수 74
- 영문명
- Study of the Animal Behaviour: Grazing Behaviour of Jeju Native Ponies
- 발행기관
- 제주학회
- 저자명
- 강민수(Kang M. S.) 이현종(H. J. Lee) 정창조(C. C. Choung)
- 간행물 정보
- 『제주도연구』제주도연구 제25권, 355~368쪽, 전체 14쪽
- 주제분류
- 사회과학 > 지역학
- 파일형태
- 발행일자
- 2004.06.30
4,480원
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국문 초록
영문 초록
The eating and resting behaviour of 10 lactating Jeju native mare ponies on pasture with free access to water were recorded frome 10:00 hr. Lactating mares on the pasture spent 57.0%(239 minute) of the time foraging in spring and 47.9% to 71.1% in summer and 60.8%(219 minute) in fall. Time spent for resting by mares was 24.1% during May and 35% in July, 18.1% in August and 22.8% in October. As the foals grew older, the number of feedings decreased with the highest in May at 11.8 times during the observation period. 7.3 times in June, 9.9 times in July and 5.5 times in November. A similar tendency was observed in suckling time, greatest in Jun(73 sec.) 79 seconds in May, 54 seconds in July and 32.1 seconds in November. Number of urinations during observation was greater in spring(3.0) and summer(3.0), but decreased in fall(1.4 times). Number of defecations gradually increased frome spring(3.0 times) and higher in July(4.6 times) and lowest in November(3.3 times). Fresh weight feces frome one defecation on the pasture were 1.177g in May, 840g in June, 1.418g in July and 1,271g in October, however the lowest values were recorded during the off grazing season(778g). Mounting interval of stallion was 33.8 minutes when the sallion was introduced to the breeding mares on the first week. However, the time was delayed to 260 minutes after one week of introduction of the stallion. The time spent for mounting, intermission and ejaculation of stallion was 26.9 seconds on the first day, and no difference were observed at the end of breeding season.
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