Abstract
본 연구는 강제낙각이 사슴뿔의 성장에 미치는 영향을 구명하기 위하여 꽃사슴 18두를 공시하여 뿔이 낙각 되기 40여일 전 강제 낙각을 실시하여 녹용생산량, 녹용길이 및 낙각시기에 미치는 영향을 조사하였으며 그 결과를 요약하면 다음과 같다. 1)뿔의 성장개시는 1차 년도에서 양쪽 절단구가 대조구에 비해 15일 정도 늦었으며, 다음 해 낙각시기는 절단구가 대조구보다 11-14일 빨랐다(P<0.05). 2)녹용 생산량은 1차년도에서 대조구, 한쪽 절단구 및 양쪽 절단구가 각각 775, 835 및 757g 이었고, 2차년도에서는 각각 1,004, 1,194 및 998g으로 한쪽 절단구의 녹용 생산량이 가장 많았으나 처리간에 유의성은 없었다. 3)녹용의 길이는 대조구, 한쪽 절단구 및 양쪽 절단구가 각각 25.8, 27.4 및 31.5 cm로 대조구에 비하여 한쪽 절단구 및 양쪽 절단구가 1년차에는 각각 1.6, 5.7cm 더 길었으며(P<0.05), 2년차에서도 각각 대조구보다 2.7, 2.4cm 더 길었다(P<0.05). 이러한 결과는 녹용의 생산시기 조절을 위하여 강제낙각을 응용한다면 녹용의 생산시기를 늦추거나 앞당기는데 충분히 활용할 수 있을 것으로 생각된다. The study was conducted to investigate the effects of physical stimulus on casting day of antler, velvet antler yield, length of velvet antler in Sika deer(Cervus nippon). Eigthen(18) stags were assigned into the treatment with six(6) stags for treatment. Results revealed that at the start of the velvet antler growth, compulsorily casting both pedicles group was 15 days later at first cycle but 11-14 days earlier at the second cycle than control group(P<0.05). The yields of velvet antler in control group, casting only left pedicle group and the both pedicle group were 775g, 835g and 757g at the first cycle and 1,004g, 1,194g and 998g at the second cycle, respectively. The average length of antler in control group, casting only left pedicle group and both pedicle group were 25.8cm, 27.4cm and 31.5cm, respectively. The average length of antler of the casting only left pedicle group and that of the both pedicle group showed 1.6cm and 5.7cm in first cycle and 2.7cm and 2.4cm in second cycle longer than that of control group(P<0.05). Results of the study suggest the possibility of controlling velvet antler producing point through compulsory casting method.
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