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Effects of Reduced Dietary Crude Protein on Gaseous Pollutant Emissions from a Swine Research Building

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자료유형	E-Book
개인저자	Liu, Shule.
단체저자명	Purdue University. Agricultural and Biological Engineering.
서명/저자사항	Effects of Reduced Dietary Crude Protein on Gaseous Pollutant Emissions from a Swine Research Building.
발행사항	[S.l.] : Purdue University., 2018
발행사항	Ann Arbor : ProQuest Dissertations & Theses, 2018
형태사항	200 p.
소장본 주기	School code: 0183.
ISBN	9780438016828
일반주기	Source: Dissertation Abstracts International, Volume: 79-10(E), Section: B. Adviser: Jiqin Ni.
요약	Swine production is a primary source of protein and fat to human society, in the meanwhile, it continuously emits undesirable pollutant gases, including ammonia (NH3), hydrogen sulfide (H2S), carbon dioxide (CO2), methane (CH4), and nitrous oxid
요약	A comparison study with reduced dietary crude protein (CP) with supplemental amino acid (AA) was conducted with 720 pigs in a 12-room research building for 155 days that covered from weaned to finishing stages. The pigs were divided into three 4
요약	Group cycle mean NH3 emissions from the control, T1, and T2 groups were 68.9 +/- 40.0, 46.7 +/- 19.5, and 29.8 +/- 10.6 g d-1 AU-1 (AU = 500 kg live mass), respectively. Emissions from the T1 and T2 groups were reduced by 33.0% and 57.2%, respec
요약	To study these variabilities, the 12 pig rooms were divided into sixty-six 2-room pairs, and the variables measured in each pair of two rooms were differenced to create a dataset showing the variabilities of NH3 emission and other measured varia
요약	Different from its effects on lowering NH3 emissions, reduced dietary CP and AA supplements increased hydrogen sulfide (H2S) emissions. The group cycle means H2S emission rates were 4.0 +/- 2.9, 4.3 +/- 3.2, and 5.4 +/- 4.0 g d-1 AU -1, respecti
요약	The dietary treatment of CP-reduction also influenced the emission of greenhouse gases (GHG). The dietary CP reduction was related to higher CO 2 emission (p < 0.05). The two CP reduced groups had lower N2O emissions (p < 0.01). The CH 4 emissio
일반주제명	Agricultural engineering.
언어	영어
기본자료 저록	Dissertation Abstracts International79-10B(E). Dissertation Abstract International
대출바로가기	http://www.riss.kr/pdu/ddodLink.do?id=T14996892