The effects of soaked and un-soaked high fibre pelleted feeds on chewing time to swallow in the horse and feed volume changes in vitro: a pilot study

C. Lawrence; N. Blackie; A.D. Ellis; S. Tracey

The effects of soaked and un-soaked high fibre pelleted feeds on chewing time to swallow in the horse and feed volume changes in vitro: a pilot study

于The impact of nutrition on the health and welfare of horses

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C. Lawrence

C. Lawrence ¹Allen and Page, Norfolk Mill, Thetford, Norfolk, IP25 7SD, United Kingdom

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N. Blackie

N. Blackie ²Writtle College, Lordship Road, Chelmsford, CM1 3RR, United Kingdom

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A.D. Ellis

A.D. Ellis ³School of Animal Rural and Environmental Sciences, Nottingham Trent University, NG25 0QF, United Kingdom

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S. Tracey

S. Tracey ²Writtle College, Lordship Road, Chelmsford, CM1 3RR, United Kingdom

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类型:: 章节

Page Range:: 84–86

DOI:: https://doi.org/10.3920/978-90-8686-711-0_016

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This study aimed to investigate the relationship of volume changes of high fibre pelleted feed in vitro and chewing rates in vivo with regard to potential oesophageal obstruction in the horse. Four horses were fed five high fibre pelleted feed daily for a one week adaptation period according to manufacturers recommendations (feed 1-4 dry and feed 5 soaked for 60 seconds). At the end of each week, the chewing time (seconds) for each horse was measured for 6 consecutive feed boluses from start of intake. In vitro the pellets were put into volumetric flasks and 300 ml of water was added to 600 ml of feed volume. The in vivo experiment showed a significant difference (P<0.01) in the mean time taken to chew and swallow one bolus for soaked (28.67±15.3 seconds; mean ± SD) and un-soaked (37.84±14.6 seconds ± SD) high fibre feeds. In vitro feed 5 showed the highest expansion after 60 seconds. Feeds 3 and 4 had the highest chewing times to swallow in vivo and lowest expansion rates in vitro; therefore these feeds may be the least likely to lead to oesophageal obstruction due to swelling of pellets if fed dry.

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The impact of nutrition on the health and welfare of horses

丛编： EAAP Scientific Series, 卷： 128

ISBN:: 9789086867110

出版社:: Wageningen Academic

印刷出版日期:: 30 Oct 2010

Subjects
- Life Sciences
  - General
  - Animal & Veterinary

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The effects of soaked and un-soaked high fibre pelleted feeds on chewing time to swallow in the horse and feed volume changes in vitro: a pilot study

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The impact of nutrition on the health and welfare of horses

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