The effect of enzyme treatment on the nutritive value of lucerne for equids

Murray, Jo-Anne; Longland, A. C.; Davies, David R.; Hastie, P.M.; Moore-Colyer, Meriel; Dunnett, Catherine

doi:10.1016/j.livsci.2007.01.156

Cited by 7 publications

(8 citation statements)

References 43 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This may be partly due to the greater nutrients digestibility with enzyme supplementation, which is consistent with previous results [9]. However, O'Connor-Robison et al [6] did not find a feed intake effect with cellulase in horse diets.…”

Section: Feed Intake and Nutrient Digestibilitysupporting

confidence: 85%

“…Hainze et al [8] fed horses a diet of grass hay with textured concentrate, pelleted concentrate, whole oats, or alfalfa-lucerne (Medicago sativa) supplemented with cellulase and reported that cellulase administration improved the digestion of neutral detergent fiber (NDF) and acid detergent fiber (ADF) in the oats and textured feeds, but decreased the digestion of NDF and ADF in the alfalfa-lucerne. In contrast, Murray et al [9] reported a significant reduction in in vivo digestibility of the fibrous fractions of enzyme-treated high-temperature dried lucerne and ensiled lucerne. Similarly, O'Connor-Robison et al [6] fed Arabian geldings a hay-based diet supplemented with cellulase and noted that cellulase addition decreased digestion of the fiber components.…”

Section: Introductionmentioning

confidence: 88%

“…In another study, Murray et al [9] fed Welsh-cross pony geldings on diet based on lucerne and enzyme addition at 8.9 L/tonne DM and reported that DM intake was significantly greater, whereas OMD was significantly reduced without affecting NDF digestibility compared with the Table 2 Blood chemistry and total fecal coliform count of mares fed diets supplemented with cellulase, xylanase, and cellulase þ xylanase (1:1 vol/vol) enzymes (n ¼ 4). Abbreviations: CELL, fed the control diet plus cellulase at 10 mL/animal/d; control, fed oat straw and concentrate; CX, fed the control diet plus cellulase and xylanase at 5 mL of CELL plus 5 mL of XYL/animal/d; SEM, standard error of the mean; XYL, fed the control diet plus xylanase at 10 mL/animal/d.…”

Section: Feed Intake and Nutrient Digestibilitymentioning

confidence: 99%

See 2 more Smart Citations

The Effect of Feeding Horses a High Fiber Diet With or Without Exogenous Fibrolytic Enzymes Supplementation on Nutrient Digestion, Blood Chemistry, Fecal Coliform Count, and In Vitro Fecal Fermentation

Salem

Elghandour

Kholif

et al. 2015

Journal of Equine Veterinary Science

View full text Add to dashboard Cite

a b s t r a c tSixteen Quarter Horse mares (450 to 500-kg body weight) were used in a complete randomized design to determine the effects of feeding a high fiber diet with or without exogenous fibrolytic enzymes on nutrient digestion, blood chemistry, fecal coliform count, and in vitro fecal fermentation. The treatments comprised feeding the horses (1) a basal diet without enzyme addition (control); (2) control diet plus cellulase at 10 mL/mare/ d (CELL); (3) control diet plus xylanase at 10 mL/mare/d (XYL); or (4) control diet plus a mixture of 5 mL cellulase and 5 mL xylanase/mare/d (CX). The basal concentrate diet consisted of a mixture of 50% commercial concentrate and 50% wheat bran fed at 4 kg/ horse, offered twice daily at 04:00 and 16:00 hours, and oat straw offered ad libitum at 05:00 and 17:00 hours. The enzyme allocation for each day was mixed with 1 kg of concentrate diet at 04:00 hours, and the experiment lasted for 15 days comprising 10 days of adaptation and 5 days for sample collection. The in vitro cecal fermentation with addition of 2 mL/g dry matter (DM) of each enzyme (CELL, XYL, and CX) to a basal diet of oat straw and concentrates mixture (1:1 DM) as a substrate was carried out. The mares fed enzyme-supplemented diets had greater (P < .01) oat straw and total nutrients intakes compared with the control diet. Feeding enzyme-supplemented diets increased total nutrients digestibility (P < .05) and blood total protein (P ¼ .0277) compared with the control. Feeding XYL-supplemented diet increased blood alanine transaminase and aspartate aminotransferase concentrations (P < .05) compared with control treatment. Lower fecal coliform count was obtained (P ¼ .0114) with mares fed CX diet compared with control mares. The XYL and CX treatments had decreased asymptotic gas production (GP) (P ¼ .0173) with lower rate of GP (P ¼ .0412) compared with CELL treatment. CELL and XYL treatments had decreased (P ¼ .0394) lag times compared with control and CX treatments. At 24 hours of incubation, CELL and XYL treatments decreased methane production (P ¼ .0131), whereas CX treatment increased its production at 48 hours (P ¼ .0202) compared with control treatment. No effect was observed (P > .05) with enzymes addition on carbon dioxide production at different hours of incubation compared with control treatment. Higher in vitro DM degradability values (P ¼ .0092) were obtained with the enzyme

show abstract

Section: Feed Intake and Nutrient Digestibilitysupporting

confidence: 85%

Section: Introductionmentioning

confidence: 88%

Section: Feed Intake and Nutrient Digestibilitymentioning

confidence: 99%

See 1 more Smart Citation

The Effect of Feeding Horses a High Fiber Diet With or Without Exogenous Fibrolytic Enzymes Supplementation on Nutrient Digestion, Blood Chemistry, Fecal Coliform Count, and In Vitro Fecal Fermentation

Salem

Elghandour

Kholif

et al. 2015

Journal of Equine Veterinary Science

View full text Add to dashboard Cite

show abstract

“…Salem et al [9] observed in vivo improved neutral detergent fiber (NDF) and acid detergent fiber (ADF) digestion of oat straw when mares were fed fibrous diet supplemented with fibrolytic enzymes. In contrast, Murray et al [12] reported a significant reduction in in vivo digestibility of the fibrous fractions of enzyme-treated diets.…”

Section: Introductionmentioning

confidence: 89%

“…In ruminants, supplementing diets with fibrolytic enzymes has been shown to improve feed utilization and animal performance [10,11]. Supplementing the diet of horses with exogenous fibrolytic enzymes has gained substantial interest in recent years [9,12]. Because the large intestine in the horses is a fermentation system similar to the rumen [13], improvements in feed utilization and animal performance should be expected with horses with fibrolytic enzymes supplementation.…”

Section: Introductionmentioning

confidence: 99%

In Vitro Assessment of Fecal Inocula From Horses Fed on High-Fiber Diets With Fibrolytic Enzymes Addition on Gas, Methane, and Carbon Dioxide Productions as Indicators of Hindgut Activity

Kholif

Baza-García

Elghandour

et al. 2016

Journal of Equine Veterinary Science

View full text Add to dashboard Cite

The aim of this study was to assess the effect of fecal inocula from horses fed on concentrate (restricted amount daily) and oat straw (ad libitum) supplemented with fibrolytic enzymes on in vitro hindgut activity. Cellulase (CE), xylanase (XY), and CE þ XY (1:1 vol/vol; CX) were tested at three levels (mL/g dry matter [DM]): 0, 1, and 3, in addition to control without enzyme addition. Fecal inocula were collected from 16 Quarter Horse mares supplemented with enzyme at 0 (without enzyme), or fed 5-mL enzyme/mare/d of CE (FCE), XY (FXY), or CE þ XY (1:1 vol/vol; FCX) for 15 days. The fecal content mixed with the culture media were used for incubation in bottles containing 1-g DM of substrate (a mixture of concentrate and oat straw [1:1 DM]). Gas (GP), methane (CH 4), and carbon dioxide productions were measured at 2, 4, 6, 8, 10, 12, 24, and 48 hours after incubation. Interactions occurred (P < .05) between fecal source Â enzyme product for the asymptotic GP, the rate of GP, CH 4 production, and fermentation kinetic parameters. Moreover, interactions were observed (P < .05) between fecal source Â enzyme product Â enzyme dose for the rate of GP, CH 4 production, and DM digestibility. Xylanase at 3-mL/g DM with FXY fecal increased (P < .05) the asymptotic GP, short-chain fatty acids, and microbial protein productions with lowering (P < .05) partitioning factor. At 24 and 48 hours and without enzyme, FCX and FXY, had the highest (P < .05) CH 4 production. It can be concluded that XY enzyme at 3-mL/g DM was the most effective compared with other treatments.

show abstract

Assessment of mathematical models to describe the rate of passage of enzyme-treated or sugar beet pulp-substituted lucerne silage in equids

Murray¹,

Sanderson²,

Longland³

et al. 2009

Animal Feed Science and Technology

View full text Add to dashboard Cite

The effect of enzyme treatment on the nutritive value of lucerne for equids

Cited by 7 publications

References 43 publications

The Effect of Feeding Horses a High Fiber Diet With or Without Exogenous Fibrolytic Enzymes Supplementation on Nutrient Digestion, Blood Chemistry, Fecal Coliform Count, and In Vitro Fecal Fermentation

The Effect of Feeding Horses a High Fiber Diet With or Without Exogenous Fibrolytic Enzymes Supplementation on Nutrient Digestion, Blood Chemistry, Fecal Coliform Count, and In Vitro Fecal Fermentation

In Vitro Assessment of Fecal Inocula From Horses Fed on High-Fiber Diets With Fibrolytic Enzymes Addition on Gas, Methane, and Carbon Dioxide Productions as Indicators of Hindgut Activity

Assessment of mathematical models to describe the rate of passage of enzyme-treated or sugar beet pulp-substituted lucerne silage in equids

Contact Info

Product

Resources

About