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Titolo:
Protection of starch in barley against rumen degradation by glutaraldehydeand formaldehyde as assessed by the dacron bag technique
Autore:
Ortega-Cerrilla, ME; Finlayson, HJ; Armstrong, DG;
Indirizzi:
Univleewcastle Upon Tyne, Fac Agr & Biol Sci, Dept Biol & Nutr Sci, Newcast Univ Newcastle Upon Tyne Newcastle Upon Tyne Tyne & Wear England NE1 7RU
Titolo Testata:
ANIMAL FEED SCIENCE AND TECHNOLOGY
fascicolo: 1-2, volume: 77, anno: 1999,
pagine: 83 - 90
SICI:
0377-8401(19990215)77:1-2<83:POSIBA>2.0.ZU;2-1
Fonte:
ISI
Lingua:
ENG
Soggetto:
DIGESTIBILITY; MICROORGANISMS; DEGRADABILITY; PROTEIN; MILK; CORN;
Keywords:
glutaraldehyde; formaldehyde; starch protection; dacron bag technique;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
28
Recensione:
Indirizzi per estratti:
Indirizzo: Ortega-Cerrilla, ME Colegio Postgrad, Montecillo 56230, Edo De Mexico, Mexico Colegio Postgrad Montecillo Edo De Mexico Mexico 56230
Citazione:
M.E. Ortega-Cerrilla et al., "Protection of starch in barley against rumen degradation by glutaraldehydeand formaldehyde as assessed by the dacron bag technique", ANIM FEED S, 77(1-2), 1999, pp. 83-90

Abstract

Glutaraldehyde (GCHO) and formaldehyde (HCHO) were applied to barley at three application rates (10, 20 or 30 g aldehyde kg(-1) protein) by soaking in solutions of appropriate concentrations of GCHO (for 16 h) and HCHO (for 8 or 16 h). Rumen degradability of barley dry matter (DM), starch (S) and total nitrogen (N) was determined in three rumen fistulated cows using the in sacco technique with incubation times of 2, 4, 8, 16 and 24 h. On averagetreatment of barley with aldehydes reduced rumen degradability of DM, S and total N compared to untreated barley but the effect was almost totally due to reduction in degradation due to HCHO treatments, there being very little protective effect of GCHO at rates of application lower than 30 g kg(-l)protein. For DM and S, irrespective of the aldehyde used or the length of aldehyde treatment, the reduction in rumen degradation increased with increasing application rate, the effects being most noticeable at short incubation times. Disappearance of total N was also reduced by increasing rates of application but this was most noticeable at longer incubation periods. (C) 1999 Elsevier Science B.V.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 17/01/21 alle ore 18:05:38