자료유형 | 학위논문 |
---|---|
서명/저자사항 | Amino Acid Requirements of Health Challenged Pigs. |
개인저자 | Schweer, Wesley Paul. |
단체저자명 | Iowa State University. Animal Science. |
발행사항 | [S.l.]: Iowa State University., 2018. |
발행사항 | Ann Arbor: ProQuest Dissertations & Theses, 2018. |
형태사항 | 189 p. |
기본자료 저록 | Dissertation Abstracts International 79-11B(E). Dissertation Abstract International |
ISBN | 9780438076846 |
학위논문주기 | Thesis (Ph.D.)--Iowa State University, 2018. |
일반주기 |
Source: Dissertation Abstracts International, Volume: 79-11(E), Section: B.
Adviser: Nicholas K. Gabler. |
요약 | Porcine reproductive and respiratory syndrome virus (PRRSV) and Brachyspira hyodysenteriae (Bhyo) are two economically significant pathogenic agents in which their diseases impact pig production worldwide. Although different nutritional strateg |
요약 | In Chapter 2, an experiment was conducted to assess the impact of soybean meal (SBM) and PRRSV on AID, BEL, and calculated SID values of N and AA near peak viremia (5-8 days post inoculation |
요약 | The results from this research indicate that the mechanism by which high SBM improves the outcome of PRRSV challenged pigs does not appear to be related to increased digestibility of N or AA as there were no interactions of SBM and PRRSV (Chapte |
요약 | When hindgut disappearance of nutrients and energy were calculated, PRRSV and Bhyo acted in an opposite manner (Chapter 2 and 3, respectively). Compared to control pigs, PRRSV increased hindgut disappearance of DM and GE at peak viremia only. In |
요약 | In the final research chapter (Chapter 4), commercial pigs were utilized in an industry style production setting in which we reported that increasing the SID Lys:ME improved growth and feed efficiency in 25 kg BW and 50 kg BW PRRSV challenged pi |
요약 | In summary of this dissertation, both systemic/respiratory (PRRSV) and colitis (Bhyo) challenges did not greatly impact ileal digestibility of nutrients, energy, and AA. Further, we did not report major changes in ileal endogenous AA losses, but |
일반주제명 | Animal sciences. |
언어 | 영어 |
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