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Author     
J. K. Ha  (Ha JK) 42 Articles
Review Paper
Fibrobacter succinogenes, a Dominant Fibrolytic Ruminal Bacterium: Transition to the Post Genomic Era
H. S. Jun, M. Qi, J. K. Ha, C. W. Forsberg
Asian-Australas J Anim Sci. 2007;20(5):802-810.  Published online March 5, 2007
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Ruminant Nutrition and Forage Utilization
Effects of Different Selenium Sources on Performance, Carcass Characteristics, Plasma Glutathione Peroxidase Activity and Selenium Deposition in Finishing Hanwoo Steers
S. H. Lee, B. Y. Park, J. M. Yeo, Sung S. Lee, J. H. Lee, J. K. Ha
Asian-Australas J Anim Sci. 2007;20(2):229-236.  Published online November 27, 2006
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Low Ruminal pH Reduces Dietary Fiber Digestion via Reduced Microbial Attachment
Ha Guyn Sung, Yasuo Kobayashi, Jongsoo Chang, Ahnul Ha, Il Hwan Hwang, J. K. Ha
Asian-Australas J Anim Sci. 2007;20(2):200-207.  Published online November 27, 2006
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Animal Products
Growth Performance and Carcass Evaluation of Jeju Native Cattle and Its Crossbreds Fed for Long Fattening Period
W. S. Lee, W. Y. Oh, S. S. Lee, M. A. Khan, M. S. Ko, H. S. Kim, J. K. Ha
Asian-Australas J Anim Sci. 2007;20(12):1909-1916.  Published online October 30, 2007
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Ruminant Nutrition and Forage Utilization
Effects of Spent Composts of Selenium-enriched Mushroom and Sodium Selenite on Plasma Glutathione Peroxidase Activity and Selenium Deposition in Finishing Hanwoo Steers
S. H. Lee, B. Y. Park, Sung S. Lee, N. J. Choi, J. H. Lee, J. M. Yeo, J. K. Ha, W. J. Maeng, W. Y. Kim
Asian-Australas J Anim Sci. 2006;19(7):984-991.  Published online May 25, 2006
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Influence of Transgenic Corn on the In vitro Rumen Microbial Fermentation
Ha Guyn Sung, Dong Myung Min, Dong Kyun Kim, De Yun Li, Hyun Jin Kim, Santi Devi Upadhaya, J. K. Ha
Asian-Australas J Anim Sci. 2006;19(12):1761-1768.  Published online September 29, 2006
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Effect of Sample Preparation on Prediction of Fermentation Quality of Maize Silages by Near Infrared Reflectance Spectroscopy
H. S. Park, J. K. Lee, J. H. Fike, D. A. Kim, M. S. Ko, J. K. Ha
Asian-Australas J Anim Sci. 2005;18(5):643-648.  Published online November 25, 2005
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Animal Breeding and Genetics
Effects of Halogenated Compounds, Organic Acids and Unsaturated Fatty Acids on In vitro Methane Production and Fermentation Characteristics
N. J. Choi, S. Y. Lee, H. G. Sung, S. C. Lee, J. K. Ha
Asian-Australas J Anim Sci. 2004;17(9):1255-1259.  Published online January 1, 2004
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Effects of Bacterial Fraction and Proportion of Silage and Concentrate on Rumen Fermentation and Gas Production Profile
Sang S. Lee, M. B. Chang, J. K. Ha
Asian-Australas J Anim Sci. 2004;17(5):643-647.  Published online January 1, 2004
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Effects of Enzyme Application Method and Levels and Pre-treatment Times on Rumen Fermentation, Nutrient Degradation and Digestion in Goats and Steers
S. H. Hong, B. K. Lee, N. J. Choi, Sang S. Lee, S. G. Yun, J. K. Ha
Asian-Australas J Anim Sci. 2003;16(3):389-393.  Published online January 1, 2003
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Effects of Feeding System on Rumen Fermentation Parameters and Nutrient Digestibility in Holstein Steers
D. Y. Li, Sang S. Lee, N. J. Choi, S. Y. Lee, H. G. Sung, J. Y. Ko, S. G. Yun, J. K. Ha
Asian-Australas J Anim Sci. 2003;16(10):1482-1486.  Published online January 1, 2003
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Effects of Non-ionic Surfactants on Enzyme Distributions of Rumen Contents, Anaerobic Growth of Rumen Microbes, Rumen Fermentation Characteristics and Performances of Lactating Cows
S. S. Lee, B. H. Ahn, H. S. Kim, C. H. Kim, K. -J. Cheng, J. K. Ha
Asian-Australas J Anim Sci. 2003;16(1):104-115.  Published online January 1, 2003
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Estimation of Direct and Service Sire Genetic Parameters for Reproductive Traits in Yorkshire
B. W. Kim, S. D. Kim, I. J. Lee, K. H. Chung, O. S. Kwon, J. K. Ha, J. G. Lee
Asian-Australas J Anim Sci. 2002;15(9):1232-1236.  Published online January 1, 2002
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Effects of Corn Processing on In Vitro and In Situ Digestion of Corn Grain in Holstein Steers
S. Y. Lee, W. Y. Kim, J. Y. Ko, J. K. Ha
Asian-Australas J Anim Sci. 2002;15(6):851-858.  Published online January 1, 2002
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Ruminant Nutrition and Forage Utilization
Effects of Unprocessed or Steam-flaked Corn Based Diets with or without Enzyme Additive on In Vivo Nutrient Digestibility and Distribution of Corn Particles in the Feces of Holstein Steers
S. Y. Lee, W. Y. Kim, J. Y. Ko, J. K. Ha
Asian-Australas J Anim Sci. 2002;15(5):708-712.  Published online May 1, 2002
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Animal Breeding and Genetics
Distribution and Activities of Hydrolytic Enzymes in the Rumen Compartments of Hereford Bulls Fed Alfalfa Based Diet
S. S. Lee, C.-H. Kim, J. K. Ha, Y. H. Moon, N. J. Choi, K.-J. Cheng
Asian-Australas J Anim Sci. 2002;15(12):1725-1731.  Published online January 1, 2002
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Ruminant Nutrition and Forage Utilization
Effects of LCFA on the Gas Production, Cellulose Digestion and Cellulase Activities by the Rumen Anaerobic Fungus, Neocallimastix frontalis RE1
S. S. Lee, J. K. Ha, K. J. Cheng
Asian-Australas J Anim Sci. 2001;14(8):1110-1117.  Published online August 1, 2001
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The Effect of Saturated Fatty Acids on Cellulose Digestion by the Rumen Anaerobic Fungus, Neocallimatix frontalis C5-1
J. K. Ha, S. S. Lee, Z. Gao, C. -H. Kim, S. W. Kim, Jong Y. Ko, K. -J. Cheng
Asian-Australas J Anim Sci. 2001;14(7):941-946.  Published online July 1, 2001
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Degradation of Rice Straw by Rumen Fungi and Cellulolytic Bacteria through Mono-, Co- or Sequential- Cultures
J. K. Ha, S. S. Lee, S. W. Kim, In K. Han, K. Ushida, K. -J. Cheng
Asian-Australas J Anim Sci. 2001;14(6):797-802.  Published online June 1, 2001
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Effect of Unsaturated Fatty Acids on Cellulose Degradation and Fermentation Characteristics by Mixed Ruminal Microbes
I. H. Hwang, H. D. Kim, S. S. Shim, Sang S. Lee, J. K. Ha
Asian-Australas J Anim Sci. 2001;14(4):501-506.  Published online April 1, 2001
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Effect of Grass Lipids and Long Chain Fatty Acids on Cellulose Digestion by Pure Cultures of Rumen Anaerobic Fungi, Piromyces rhizinflata B157 and Orpinomyces joyonii SG4
S. S. Lee, J. K. Ha, K. H. Kim, K. J. Cheng
Asian-Australas J Anim Sci. 2000;13(1):23-30.  Published online January 1, 2000
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Review Paper
The Rumen Ecosystem : As a Fountain Sources of Nobel Enzymes - Review -
S. S. Lee, K. J. Shin, W. Y. Kim, J. K. Ha, In K. Han
Asian-Australas J Anim Sci. 1999;12(6):988-1001.  Published online September 1, 1999
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Industrial Applications of Rumen Microbes - Review -
K. J. Cheng, S. S. Lee, H. D. Bae, J. K. Ha
Asian-Australas J Anim Sci. 1999;12(1):84-92.  Published online February 1, 1999
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Ruminant Nutrition and Forage Utilization
Effects of popped soybean on concentration of ruminal peptide and blood amino acids in Holstein calves
H. D. Kim, J. K. Ha, H. Itabashi, S. W Kim, W. Y. Kim, Y. K. Ko
Asian-Australas J Anim Sci. 1998;11(2):155-161.  Published online April 1, 1998
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Review Paper
Role and potential of ruminal fungi in fiber digestion - Review -
K. Ushida, H. Matsui, Yuko Fujino, J. K. Ha
Asian-Australas J Anim Sci. 1997;10(6):541-550.  Published online December 1, 1997
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Ruminant Nutrition and Forage Utilization
Effects of different levels of concentrate in complete rations on nutrient digestibilities and ruminal metabolites in sheep and growth performance in Korean Native bulls
M. G. Baik, J. K. Ha, W. Y. Kim, In K. Han
Asian-Australas J Anim Sci. 1997;10(4):371-377.  Published online August 1, 1997
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Review Paper
Bovine growth hormone and milk fat synthesis : from the body to the molecule - Review -
W. Y. Kim, J. K. Ha, In K. Han, R. L. Baldwin
Asian-Australas J Anim Sci. 1997;10(4):335-356.  Published online August 1, 1997
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Animal Reproduction and Physiology
Hormonal regulation of insulin-like growth factor binding protein secretion by a bovine mammary epithelial cell line
W. Y. Kim, J. C. Chow, M. D. Hanigan, C. C. Calvert, J. K. Ha, R. L. Baldwin
Asian-Australas J Anim Sci. 1997;10(2):233-239.  Published online April 1, 1997
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Ruminant Nutrition and Forage Utilization
Effects of insulin on acetyl-CoA carboxylase in bovine mammary secretory cells
W. Y. Kim, J. K. Ha, R. L. Baldwin
Asian-Australas J Anim Sci. 1997;10(1):134-140.  Published online February 1, 1997
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Effect of supplementing rumen-protected lysine on growth performance and plasma amino acid concentrations in sheep
In K. Han, J. K. Ha, S. S. Lee, Y. G. Ko, H. S. Lee
Asian-Australas J Anim Sci. 1996;9(3):309-313.  Published online June 1, 1996
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Effects of the supplemental level of protected lysine on performances of holstein dairy cows
In K. Han, Y. J. Choi, J. K. Ha, Y. G. Ko, H. S. Lee, S. S. Lee
Asian-Australas J Anim Sci. 1996;9(3):287-294.  Published online June 1, 1996
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Effect of supplementing rumen-protected lysine and methionine on ruminal characteristics and nutrient digestibility in sheep
In K. Han, J. K. Ha, S. S. Lee, Y. G. Ko, H. S. Lee
Asian-Australas J Anim Sci. 1996;9(2):223-230.  Published online April 1, 1996
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Animal Reproduction and Physiology
Effect of recombinant bovine somatotropin on growth performance and carcass characteristics of finishing Korean native bulls
B. O. Kwak, J. K. Ha, B. S. Chang
Asian-Australas J Anim Sci. 1996;9(1):101-106.  Published online February 1, 1996
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Ruminant Nutrition and Forage Utilization
Isolation and identification of anaerobic rumen bacterium, Actinomyces SP.40 and enzymatic properties of β-1,4-endoglucanase
H. K. Min, Y. J. Choi, J. K. Ha, K. K. Cho, Y. M. Kwon, Y. H. Chang, S. S. Lee
Asian-Australas J Anim Sci. 1994;7(3):373-382.  Published online September 1, 1994
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Review Paper
A review of the microbial digestion of feed particles in the rumen
T. A. McAllister, H. D. Bae, L. J. Yanke, K. -J. Cheng, J. K. Ha
Asian-Australas J Anim Sci. 1994;7(3):303-316.  Published online September 1, 1994
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Swine Nutrition and Feed Technology
Effect of Cimaterol on the growth performance, carcass characteristics and tissue metabolism in broiler chicks fed different dietary energy
Y. G. Kim, I. K. Han, J. K. Ha, Y. J. Choi, M. H. Lee
Asian-Australas J Anim Sci. 1994;7(1):103-112.  Published online March 1, 1994
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Ruminant Nutrition and Forage Utilization
Utilization of rice straw by ruminants as Influenced by grass hay supplementation
In K. Han, J. K. Ha, W. N. Garrett
Asian-Australas J Anim Sci. 1993;6(4):561-567.  Published online December 1, 1993
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Effect of soybean extrusion on nitrogen metabolism, nutrient flow and microbial protein synthesis in the rumen of lambs
J. Y. Ko, J. K. Ha, N. H. Lee, C. S. Yoon
Asian-Australas J Anim Sci. 1992;5(3):571-582.  Published online September 1, 1992
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Swine Nutrition and Feed Technology
Effects of cimaterol (CL 263,780) on growth performance and carcass quality of broilers fed on different levels of dietary protein and energy
Y. Y. Kim, I. K. Han, J. K. Ha, Y. J. Choi, M. Lee
Asian-Australas J Anim Sci. 1991;4(4):383-393.  Published online December 1, 1991
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Ruminant Nutrition and Forage Utilization
Some factors influencing tri-L-alanine disappearance and rumen bacterial growth yield in vitro
J. K. Ha, J. J. Kennelly, S. C. Lee
Asian-Australas J Anim Sci. 1991;4(4):369-375.  Published online December 1, 1991
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Influence of processing on the site and extent of digestion of high moisture barley in cattle
J. J. Kennelly, J. K. Ha
Asian-Australas J Anim Sci. 1990;3(4):323-330.  Published online December 1, 1990
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The energy value of rice straw for ruminants as influenced by treatment with anhydrous ammonia or mixing with alfalfa
I. K. Han, J. K. Ha, W. N. Garrett, N. Hinman
Asian-Australas J Anim Sci. 1989;2(2):115-121.  Published online June 1, 1989
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