The effect of the order of feeding oats and chopped alfalfa to horses on the rate of feed intake and chewing activity

Brüssow, N; Voigt, K. D.; Vervuert, Ingrid; Hollands, Teresa; Cuddeford, D.; Coenen, Manfred

doi:10.21836/pem20050713

Cited by 7 publications

(6 citation statements)

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“…Rate of intake varied significantly (p < 0.05) between the different feeds (Brüssow et al., 2005). The quickest intake was measured for oats alone [11.5 ± 2.2 min/kg dry matter (DM)] and the oats/alfalfa mixture (A + O, 11.4 ± 2.1 min/kg DM).…”

Section: Resultsmentioning

confidence: 99%

The effect of mixing and changing the order of feeding oats and chopped alfalfa to horses on: glycaemic and insulinaemic responses, and breath hydrogen and methane production

Vervuert

Voigt

Hollands³

et al. 2009

Animal Physiology Nutrition

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The aim of this study was to investigate the effects of feeding oats alone before or after feeding chopped alfalfa or, in admixture with the alfalfa on the glycaemic and insulinaemic responses of horses as well as post-prandial breath hydrogen and methane excretion. Horses were fed in a randomized order, chopped alfalfa as a source of dietary fibre and unprocessed oats as a source of starch. Chopped alfalfa intake was adjusted to a crude fibre intake of 0.5 g/kg bodyweight (BW) per meal and the oats intake was adjusted to a starch intake of 2 g/kg BW per meal. The feeds were offered in three different ways: (i) alfalfa followed by oats (A/O), (ii) oats followed by alfalfa (O/A) or (iii) a mixture of alfalfa and oats (A + O). Oats alone were used as a control. Blood and breath were collected after the test meal was fed at the end of a 11.5-h overnight fast following a 10-day acclimatization period. The highest glycaemic and insulinaemic responses were measured when the A/O and O/A diets orders were fed, whereas most hydrogen was produced after feeding oats alone. It was concluded that adding alfalfa chaff to a meal of oats prolonged the pre-caecal digestion of starch, but there was no evidence for any effect on pre-caecal starch digestibility.

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Section: Resultsmentioning

confidence: 99%

The effect of mixing and changing the order of feeding oats and chopped alfalfa to horses on: glycaemic and insulinaemic responses, and breath hydrogen and methane production

Vervuert

Voigt

Hollands³

et al. 2009

Animal Physiology Nutrition

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“…The most rapid rate of intake was measured when horses were fed the mixed diet A + O (Table 1); this has been described in greater detail by Brüssow et al (2005).…”

Section: Resultsmentioning

confidence: 99%

“…The nature of the fibre source may be important. Alfalfa provides short chaff which does not slow down feed intake by horses (Brüssow et al 2005) although nothing is known about transit time in the gastrointestinal tract, pancreatic flow and the effectiveness of amylase in the chyme following ingestion of oats and alfalfa. Taking all the results together, it seems that the influence of dietary fibre on the glycaemic and insulinaemic responses is overestimated.…”

Section: Dietmentioning

confidence: 99%

Insulinaemic and glycaemic responses following chages in the order of feeding oats and chopped alfralfa to horses

Vervuert¹,

Voigt²,

Brüssow³

et al. 2005

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“…In the present study, feeding restricted amounts of hay induced more restlessness before offering the meals in our horses, and some individuals showed behavioural changes like loose tongue syndrome or faeces intake. To offset some of the problems associated with the rapid consumption of concentrate, it is common practice to recommend that roughage be fed before feeding concentrate or that chopped roughage is mixed with the concentrate (Zeyner et al., 2004; Brüssow et al., 2005; Bochnia et al., 2008). However, the results shown above clearly demonstrate that restricted amounts of hay (0.6 kg/100 kg BW) did not affect the subsequent mastication process of maize; amplitude and duration of MAP during the chewing cycle were similar to that measured when maize was fed after a 12‐h fast.…”

Section: Discussionmentioning

confidence: 99%

“…In particular, the rate of intake varies from approximately 10 min/kg for concentrates to approximately 45 min/kg for roughages. Chewing frequency ranged from 67–90 chews/min for concentrates to <90 chews/min for different types of roughage (Brüssow et al., 2005; Brøkner et al., 2008).…”

Section: Introductionmentioning

confidence: 99%

Electromyographic evaluation of masseter muscle activity in horses fed (i) different types of roughage and (ii) maize after different hay allocations

Vervuert

Brüssow

Bochnia

et al. 2012

Animal Physiology Nutrition

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Summary The aims of this study were to monitor electromyographic (EMG) activity of masseter muscle in healthy horses fed (i) different types of roughage and (ii) maize after different hay allocations. Four horses were offered the following three diets ad libitum: hay, haylage or straw/alfalfa chaff (SAC). In a second trial, four horses were fed cracked maize (CM) and hay in three different orders: (i) CM after a 12‐h overnight fast; (ii) CM immediately after restricted hay intake (0.6 kg hay/100 kg BW); or 3) CM after hay intake ad libitum. The activity of the masseter muscle was determined by EMG (IED®), and the following were measured: amplitude (muscle action potential = MAP, maximum voltage) and duration of MAP (s). The intake of hay or haylage was associated with intense masseter muscle activity (MAP: hay, 10 ± 1.7 V; haylage, 11 ± 3.3 V; and duration of MAP: hay, 0.31 ± 0.04 s; haylage, 0.30 ± 0.04 s). Similar intense chewing was measured for SAC (MAP 13 ± 3.8 V), although duration of the chewing cycle was relatively short (0.22 ± 0.03 s, diet p < 0.05), which is possibly related to the shorter fibre length. CM was consumed rapidly, with less intense masseter muscle activity (MAP 6.0 ± 1.5 V). Hay intake before CM did not affect chewing force of CM, but duration of chewing cycle was significantly prolonged by feeding hay ad libitum before CM was fed. The consumption of hay, haylage or SAC was associated with intensive masseter muscle activity that was likely to stimulate salivary flow rate. In contrast to roughage, concentrates like CM are consumed rapidly with less intensive masseter muscle activity. This situation is associated with a low salivary flow that may have an adverse effect on gastric function.

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The effect of the order of feeding oats and chopped alfalfa to horses on the rate of feed intake and chewing activity

Cited by 7 publications

References 0 publications

The effect of mixing and changing the order of feeding oats and chopped alfalfa to horses on: glycaemic and insulinaemic responses, and breath hydrogen and methane production

The effect of mixing and changing the order of feeding oats and chopped alfalfa to horses on: glycaemic and insulinaemic responses, and breath hydrogen and methane production

Insulinaemic and glycaemic responses following chages in the order of feeding oats and chopped alfralfa to horses

Electromyographic evaluation of masseter muscle activity in horses fed (i) different types of roughage and (ii) maize after different hay allocations

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