The effect of chemical treatment of barley on starch digestion in ruminants

Ortega-Cerrilla, María Esther; Finlayson, Heather J.; Armstrong, David G.

doi:10.1016/s0377-8401(98)00235-1

Cited by 13 publications

(6 citation statements)

References 31 publications

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“…Bradshaw et al (1992) have shown that environmental and seasonal variations can affect the chemical composition of barley cultivars. On the other hand, CP levels of the cultivars were similar to those reported by Ortega-Cerrilla et al (1999b) and Yu et al (2003).…”

Section: Discussionsupporting

confidence: 85%

“…To determine the effect of HCHO treatment, ground samples from each cultivar were treated with HCHO by spraying the barley evenly with a HCHO solution (18 g HCHO/L) at a rate of 30 g HCHO/kg of crude protein (CP) (Ortega-Cerrilla et al, 1999b). The treated barley was allowed to dry at room temperature for 24 h and was stored at room temperature pending the in vitro gas production study.…”

Section: Methodsmentioning

confidence: 99%

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Effect of cultivar and formaldehyde treatment of barley grain on rumen fermentation characteristics using <i>in vitro</i> gas production

Çölkesen¹,

Kamalak²,

Canbolat³

et al. 2007

SA J. An. Sci.

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The aim of this study was to determine the effects of cultivar and formaldehyde treatment of barley grains on rumen fermentation characteristics using the in vitro gas production technique. Amount of gas produced (mL/g organic matter (OM)) during fermentation was determined after 0, 3, 6, 12, 24, 48, 72 and 96 h of incubation in buffered rumen fluid. The gas production kinetics were described using the equation:} where b and c are the initial gas production rate constant (h -1 ) and later gas production rate constant (h -1/2 ), respectively. Cultivar and formaldehyde treatment had significant effects on gas production kinetics. Total gas production (A) ranged from 389.9 to 410.8 (mL/g OM) with the cultivar, Esterel, producing the largest volume of gas of the cultivars. Due to low gas production rates at 3, 6 and 12 h of incubation the cultivars, Viva and Cecilla, took the longest to produce 50% of their total volume of gas. Formaldehyde treatment reduced the rate (µ) of gas production at 3, 6 and 12 h of incubation, and the total volume of gas (A), but increased the time (h) to produce 50% of A and reduced the time (h) to produce 95% of A. The reduction in gas production ranged from 33.3 to 51 mL/g OM with 6 h incubation showing the highest decrease in gas production. It is concluded that formaldehyde treatment may provide an opportunity to manipulate the site of digestion of barley grain in the digestive tract of ruminants. Through the selection of suitable cultivars and through formaldehyde treatment the nutritional and health problems associated with the fermentation of barley grain in the rumen could be reduced. _______________________________________________________________________________________

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Section: Discussionsupporting

confidence: 85%

Section: Methodsmentioning

confidence: 99%

Effect of cultivar and formaldehyde treatment of barley grain on rumen fermentation characteristics using <i>in vitro</i> gas production

Çölkesen¹,

Kamalak²,

Canbolat³

et al. 2007

SA J. An. Sci.

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“…In fact previous studies (Ortega-Cerrilla et al, 1999;Dehghan-Banadaky et al, 2008;McAllister et al, 1990) reported that the treatment of barley with formaldehyde reduces the rate of in sacco digestion of barley starch. In our study, the levels of acetate tend to be higher when steers fed RSB diet (P¼0.10).…”

Section: Discussionmentioning

confidence: 94%

Effects of wheat processing and dietary fat sources on performance, ruminal and blood parameters, and steak fatty acids profile of Holstein steers

et al. 2012

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“…(1 reported by Ortega-Cerrilla et al (1999). This large difference between starch Kd values was unexpected and may be indicative of a different starch and protein matrix within the grain structure of these different varieties (Yu et al 2004).…”

Section: In Situ Rumen Degradation Characteristicsmentioning

confidence: 84%

Chemical characteristics and in situ ruminal parameters of barley for cattle: Comparison of the malting cultivar AC Metcalfe and five feed cultivars

Hart¹,

Rossnagel²,

Yu³

2008

Can. J. Anim. Sci.

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P. 2008. Chemical characteristics and in situ ruminal parameters of barley for cattle: Comparison of the malting cultivar AC Metcalfe and five feed cultivars. Can. J. Anim. Sci. 88: 711Á719. The objective of this study was to compare the most widely grown barley cultivar in Canada, AC Metcalfe, a malting type barley, with five feed cultivars. Barley cultivars were grown at one location during 3 consecutive years and barley samples were milled to pass through a 1-mm screen and analysed to determine nutritive value. Additional samples were passed through a roller mill with a gap set at 1.12 mm and incubated ruminally for 0, 2, 4, 8, 12, 24, and 48 h in 3 dry Holstein cows fitted with rumen cannulae. The rate and extent of rumen digestion were estimated. AC Metcalfe had a higher (P B0.001) concentration of NDF, and lower (PB0.05) concentrations of non structural carbohydrates, starch, ADF, total digestible nutrients, and fermentable cell wall carbohydrates compared with the mean of the feed cultivars. The malting cultivar had a higher (PB 0.001) soluble DM fraction, lower (P B0.05) CP and starch degradation rates, and a lower (PB0.001) ruminally degradable starch concentration compared with the mean of the five feed cultivars. The results demonstrate that there are only small differences in terms of chemical composition and in situ degradation kinetics between the malting cultivar AC Metcalfe and the five feed cultivars of barley reported here.

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The effect of chemical treatment of barley on starch digestion in ruminants

Cited by 13 publications

References 31 publications

Effect of cultivar and formaldehyde treatment of barley grain on rumen fermentation characteristics using <i>in vitro</i> gas production

Effect of cultivar and formaldehyde treatment of barley grain on rumen fermentation characteristics using <i>in vitro</i> gas production

Effects of wheat processing and dietary fat sources on performance, ruminal and blood parameters, and steak fatty acids profile of Holstein steers

Chemical characteristics and in situ ruminal parameters of barley for cattle: Comparison of the malting cultivar AC Metcalfe and five feed cultivars

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