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Inspire SNU for World Frontier/Leader of Education and Research in Ruminant Nutrition & Physiology
¹ÝÃßµ¿¹°/Ruminants
Vision and Goals of Ruminant Nutrition & Physiology Lab
¿¬±¸ºÐ¾ß/Research focuses
Major sites of research
¿µ¾ç¿¡ÇÇÀ¯Àüü (Nutriepigenomes): Technology Fusion
¹ÝÃßµ¿¹°ÀÇ Á߿伺
¹ÝÃßµ¿¹°ÀÌ ¼¼°è ÀûÀ° (red meat) »ý»êÀÇ 35-40%¸¦ ´ã´ç. Á¥¼Ò, »ê¾ç, ¸é¾ç µîÀÇ ¹ÝÃßµ¿¹°ÀÌ Àΰ£ÀÌ ¸Ô°í ¸¶½Ã´Â Á¥ÀÇ 100%¸¦ »ý»ê
¹ÝÃßÀ§¿¡¼­ ¼­½ÄÇÏ´Â ¹Ì»ý¹°ÀÇ µµ¿òÀ¸·Î Á¶»ç·á³» ±¸Á¶Åº¼öÈ­¹° (cellulose, hemicellulose, lignin µî)À» ºÐÇØÇÏ¿© ¿¡³ÊÁö·Î ÀÌ¿ë °¡´É.
  - ¹ÝÃßÀ§¾× g ´ç 109 – 1010 ¹ÚÅ׸®¾Æ ¼­½Ä
  - À°Áö ¸éÀû Áß °æÀÛ °¡´ÉÁö¿ªÀº ¾à 10%ÀÎ ¹Ý¸é, ¹ÝÃßµ¿¹°Àº À°Áö ¸éÀûÀÇ 70%¸¦ ÀÌ¿ëÇÒ ¼ö ÀÖÀ½
¹ÝÃßµ¿¹°Àº Àΰ£ÀÌ ½Ä·®À¸·Î ÀÌ¿ëÇÏÁö ¸øÇÏ´Â Ç®, ÀÛ¹° ºÎ»ê¹° µîÀ» ÀÌ¿ëÇÒ ¼ö À־ »ç¶÷°ú Á÷Á¢ÀûÀÎ ½Ä·® °æÇÕµµ´Â ¸Å¿ì ³·À½. µÅÁö³ª °¡±Ý »ç·á´Â 90% ÀÌ»óÀÌ »ç¶÷ÀÌ ¸ÔÀ» ¼ö ÀÖ´Â ¿ø·á·Î ±¸¼ºµÇ¾î À־ Àΰ£°ú ½Ä·® °æÇÕµµ°¡ ³ôÀ½.
¹ÝÃßµ¿¹°¿¡¼­ °³¼±ÇØ¾ß ÇÒ Á¡
CH4°ú CO2°¡ »ý¼ºµÇ¾î »ç·á¿¡³ÊÁöÀÇ 2-15%°¡ Çã½ÇµÊ
¹ÝÃßÀ§ ¹Ì»ý¹°ÀÇ ¹ßÈ¿ ÀÛ¿ëÀ¸·Î ÀÎÇØ ´ÜÀ§µ¿¹°¿¡ ºñÇØ ¿¡³ÊÁö, Áú¼Ò ÀÌ¿ëÈ¿À²ÀÌ ³·À½
´ÜÀ§µ¿¹°¿¡ ºñÇØ ºÐ´¢ ¹è¼³·®ÀÌ ¸¹À½
Importance/advantages
Provide high-quality proteins: 35-40% of red meat, 100% of milk
Can utilize grasses, hay, and other-cellulose rich foods by rumen microbes.
  - 109 – 1010 bacterial cells/g of rumen fluid.
  - About 70% of Earth's land could be used for ruminants.
  - Only 10% of land can be used for grain cultivation.
Low rate of food competence with human
  - ruminants: 10-30%, poultry and pigs: over 90%
Concerns
Generate methane (CH4) and CO2 (2-15% loss of feed energy)
Low feed efficiency: greater loss of dietary nitrogen by rumen microbe fermentation
Greater production of wastes (urine and feces).
(Data sources : Kim et al. 2013. Ruminant Nutrition and Physiology, Seoul, SNU Press)
GOALS
Goal Research focus Anticipated outcomes
High productivity Improvement of feed efficiency &
growth rate
Production cost down
Decrease in methane and waste
Nutritious/high-quality
products
Improvement of beef quality, taste &
fatty acid composition
High value-added, brand beef,
Increased beef consumption
Climate change &
Environmental issues
Temperature stress, methane mitigation &
reduction in N waste
Stress-adaptation strategies
Decrease in methane and N waste