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http://dx.doi.org/10.5333/KGFS.2002.22.3.169

Study on the Internal Availability of Forest by-product Silage in Spotted deer (Cervus nippon)  

문상호 (건국대학교 한국녹용연구센터)
김명화 (건국대학교 한국녹용연구센터)
이상무 (건국대학교 한국녹용연구센터)
전병태 (건국대학교 한국녹용연구센터)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.22, no.3, 2002 , pp. 169-176 More about this Journal
Abstract
To determine availability as a feed source of deer of by-products that produced at reforestation areas and comprised shrubs and wild grasses, mixed forest by-product silage(FBS), arrowroot silage(ARS), bristletooth oak tree silage(BOS), white oak tree silage(WOS) were prepared to compare dry matter intake, digestibility and nitrogen balance in digestion balance trials with spotted deer. Dry matter intake was highest in WOS and lowest in ARS but there was no significant difference(P＞0.05). Digestible dry matter intake was higher in FBS and ARS that had higher dry matter digestibility than in WOS and BOS that had lower dry matter digestibility(P＞0.05). Dry matter digestibility was highest fur ARS and lowest for BOS(P＜0.05). Digestibility of crude protein was similar to that of dry matter. That of crude fiber was higher for FBS and ARS than for BOS and WOS(P＞0.05). Daily gain of body weight was slightly greater for WOS than fer other treatments(P＞0.05). Nitrogen intake was highest for ARS and lowest for BOS(P＜0.05), and fecal nitrogen was opposite to nitrogen intake(P＜0.05). Nitrogen excretion with urine was highest for ARS that had higher nitrogen intake and lowest for BOS and there was a significant difference(P＜0.05). Retained nitrogen was highest for FBS and lowest for. BOS (P＞0.05). Although there was no significant difference(P＞0.05): the ration of nitrogen intake to retained nitrogen was highest in FBS for 43.9% and lowest in BOS for 24.7%. Consequently because by-products that produced at reforestation areas had high intake and internal availability, it was evaluated to valuable feed source for deer.
Keywords
Deer; Intake; Digestibility; Nitrogen balance; Forest by-product;
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