지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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It is well known that dietary protein affects the growth performance and carcass composition of poultry. Over the last several decades, numerous studies have been carried out to investigate to optimize the level of dietary protein since the protein is an important and expensive constituent in poultry feed. It is generally accepted that dietary protein should represent a balance of amino acids supporting the requirements for growth and maintenance of birds. A protein with balanced essential amino acids that matches a bird’s requirement and sufficient non-essential amino acid nitrogen to enable the synthesis of all of the non-essential amino acids, is referred to as an ‘ideal protein’. Feeding of excess protein or amino acids may result in an amount of nitrogen emission. Most common method to reduce nitrogen emission is using diet formulation which has lower dietary crude protein level and higher concentration of amino acid supplements. However, there are conflicting reports whether low protein diets supplemented with synthetic amino acids can obtain the growth performance equal to high protein diets. Excessive nitrogen excretion caused by amino acid imbalance also may influence the environment of poultry house due to ammonia production from uric acid. These environmental conditions may increase the incidence of skin problem or respiratory diseases of chickens. Various strategies based on comprehensive understanding should be tested to optimize nitrogen utilization and reduce nitrogen emission while maintaining the performance in poultry production.
목차
ABSTRACT
INTRODUCTION
PROTEIN QUALITY AND AMINO ACID BALANCE
IDEAL AMINO ACID PROFILE
LOW PROTEIN DIET AND NITROGEN UTILIZATION
AMINO ACID BALANCE AND WELFARE PROBLEMS
CONCLUSION
REFERENCES
참고문헌 (96)
참고문헌 신청
1. [학술지(정기간행물)] - Abdel-Maksoud A / 2010 / Effect of dietary crude protein, lysine level and amino acid balance on performance of broilers 0 to 18 days of age / Int J Poult Sci 9 : 21 ~ 27
2. [학술지(정기간행물)] - Abebe S / 1990 / Note on the effects of protein concentration on response dietary lysine by chicks / Brit Poult Sci 31 : 366 ~ 260
3. [학술지(정기간행물)] - Al Homidan AA / 2003 / Review of the effect of ammonia and dust concentrations on broiler performance / World’s Poult Sci J 59 : 340 ~ 349
4. [학술지(정기간행물)] - Almquist HJ / 1947 / Evaluation of amino acid requirement by observations on chicks / J Nutr 34 : 543 ~ 563
5. [학술지(정기간행물)] - Anderson DP / 1964 / Adverse effects of ammonia on chickens including resistance to infection with Newcastle disease virus / Avian Dis 8 : 369 ~ 378
2. [학술지(정기간행물)] - Abebe S / 1990 / Note on the effects of protein concentration on response dietary lysine by chicks / Brit Poult Sci 31 : 366 ~ 260
3. [학술지(정기간행물)] - Al Homidan AA / 2003 / Review of the effect of ammonia and dust concentrations on broiler performance / World’s Poult Sci J 59 : 340 ~ 349
4. [학술지(정기간행물)] - Almquist HJ / 1947 / Evaluation of amino acid requirement by observations on chicks / J Nutr 34 : 543 ~ 563
5. [학술지(정기간행물)] - Anderson DP / 1964 / Adverse effects of ammonia on chickens including resistance to infection with Newcastle disease virus / Avian Dis 8 : 369 ~ 378
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UCI(KEPA) : I410-ECN-0101-2016-527-001354595