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http://dx.doi.org/10.5333/KGFS.2017.37.2.176

Study on the Determination of Crude Protein Requirement for Maintenance of fattening Black Goat(Capra hircus coreanae)  

Yun, Yeong Sik (Division of Food Bio Science, College of Medical Life Sciences, Konkuk University)
Jang, Se Young (Division of Food Bio Science, College of Medical Life Sciences, Konkuk University)
Seong, Hye Jin (Division of Food Bio Science, College of Medical Life Sciences, Konkuk University)
Tang, Yu Jiao (Division of Food Bio Science, College of Medical Life Sciences, Konkuk University)
Ding, Yu Ling (Division of Food Bio Science, College of Medical Life Sciences, Konkuk University)
Park, Jae Hyun (Institute of Livestock Environmental Management)
Moon, Sang Ho (Division of Food Bio Science, College of Medical Life Sciences, Konkuk University)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.37, no.2, 2017 , pp. 176-182 More about this Journal
Abstract
This study was conducted to evaluate the protein requirement for maintenance of fattening Korean black goat (Capra hircus coreanae). Six male goats with average initial body weight (BW) of $31.78{\pm}4.54kg$ and an average age of 8 months were used in this study. The experiment had a replicated duplicated $3{\times}3$ Latin square design for balancing carryover effects. In the course of the experiment, each of Black goats were fed three diets that were formulated to contain T1 (13%), T2 (16%) and T3 (19%) levels of crude protein (CP). A 14-day diet adjustment period was followed by a 5-day collection period. Dry matter intake (DMI) of groups fed diets with T2 was 966.67g/d which was higher than group fed diets with T1 and T3 were 925.14g/d and 936.08g/d each. Average daily gains (ADG) of black goats were the highest in T2(167.13g/d) But, there was no significant difference. Dietary protein levels affected the apparent digestibility of CP (p<0.05). A significant difference was found in CP intake among treatments and goats receiving T3, T2, and T1 recorded 181.23, 154.57, and 128.78g CP/d, respectively. This was excepted because CP intake is proportional to CP content of diet, which from highest to lowest was as follows: T3 (19%) > T2 (16%) > T1 (13%). Intercept of the regression equation between CP intake and CP balance indicated that maintenance CP requirement was 1.63g/BW0.75.
Keywords
Black goat; Maintenance; Crude Protein Requirement; Digestibility;
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Times Cited By KSCI : 6  (Citation Analysis)
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