Voluntary Intake of Four Hay Types by Horses

Rodiek, A. V.; Jones, Bryn E.

doi:10.1016/j.jevs.2012.02.002

Cited by 16 publications

(10 citation statements)

References 7 publications

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“…However; WSC concentrations were decreased (P < 0.0001) in Cold 1 h, Warm 1 h and Cold 8 treatments (Table 3). Previous studies reported the NSC concentrations in teff hay to be 12% or less [6,15]. Prior to soaking, the concentration of total NSC in the teff hay used in this study was less than 10%.…”

Section: Effect Of Soaking On Carbohydrate Concentrationsmentioning

confidence: 66%

“…The forage analysis revealed the hay had an unusually high crude protein (CP) concentration (29.5%; dry matter (DM) basis). In previous reports, the CP concentration of teff hay was below 20% [6,14,15]. Because of the high CP concentration and the previous report of nitrate accumulation in teff [8], the hay sample was submitted to a commercial forage testing laboratory (Dairy One, Ithaca, NY) for nitrate analysis.…”

Section: High Nitrate Haymentioning

confidence: 99%

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Effect of Soaking on Nitrate Concentrations in Teff Hay

Hansen

Fowler

Strasinger

et al. 2016

Journal of Equine Veterinary Science

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Soaking can affect respirable dust particles and the concentrations of some nutrients in alfalfa and cool season grass hays. However, the effect of soaking on nitrates in hay has not been reported. The aim of this study was to evaluate the effects of soaking on teff hay, a warm season annual grass, that contained high concentrations of nitrate (>2.0%). Six bales of teff hay were used for the study. Six 0.5 kg samples were taken from each bale and assigned to 1 of 6 soaking treatments; no soaking (control), cold water immersion for 10 s, warm water immersion for 10 s, cold water soaking for 1 h, warm water soaking for 1 h, and cold water soaking for 8 h. After soaking, hay was dried, ground and submitted to a commercial laboratory for analysis. Data were analyzed by analysis of variance as a block design. When the main effect of treatment was significant (P < 0.05) means were separated by Tukey's honest significant difference test. Soaking for 1 or 8 h decreased WSC (P < 0.0001). Phosphorus, potassium, sodium, and zinc concentrations were reduced by soaking for 1 h or longer (P, K, Na: P < 0.0001; Zn: P = 0.003). Nitrate concentrations were reduced (P < 0.0001) to safe levels for horses (≤ 0.5%) by soaking hay for 1 h or longer but soaking also reduced the concentrations of some nutrients in the hay. Minimal differences were observed between cold and warm soaking temperatures.

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Section: Effect Of Soaking On Carbohydrate Concentrationsmentioning

confidence: 66%

Section: High Nitrate Haymentioning

confidence: 99%

Effect of Soaking on Nitrate Concentrations in Teff Hay

Hansen

Fowler

Strasinger

et al. 2016

Journal of Equine Veterinary Science

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“…Several studies have shown that a higher feed intake of grass and hay correlated with a lower content of NDF in the feedstuff (Allen et al, 2013; Rodiek & Jones, 2012; Staniar et al, 2010). As MS had a lower NDF content compared to hay, horses might have preferably ingested MS.…”

Section: Discussionmentioning

confidence: 99%

“…Not only the presence of secondary metabolites, such as bitter substances, may influence the taste of forages but also various studies have shown that horses prefer feeds rich in carbohydrates, such as sugars (Redgate et al, 2014), or high in protein (Rodiek & Jones, 2012; Van den Berg, Giagos, Lee, Brown, Cawdell‐Smith, et al, 2016; van den Berg et al, 2016; van den Berg et al, 2016). In the present study, MS had higher content of CP, NFE, such as sugars or starch, and CFAT compared to hay, which may relate to a high palatability of MS.…”

Section: Discussionmentioning

confidence: 99%

Rejection behaviour of horses for hay contaminated with meadow saffron (Colchicum autumnale L.)

Mueller

Sroka

Hass

et al. 2021

Animal Physiology Nutrition

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Background Extensively used grasslands are frequently utilised for hay production for equines. Especially, extensive meadows have a great variety of plant species, which may include plants that are poisonous for equines such as meadow saffron (Colchicum autumnale L.). To authors’ knowledge investigations about horses` avoidance behaviour towards dried meadow saffron in hay are missing. Reports of farmers are contrary to clinical symptoms described in case reports and associated with meadow saffron in hay. Objectives The aim of this study was to determine the rejection behaviour of horses for hay contaminated with meadow saffron (MS) when fed ad libitum. Study design An 18‐day feeding trial with six adult geldings to observe the rejection behaviour for hay contaminated with MS. Methods The horses were fed a basal diet containing hay ad libitum and a mineral supplement during the feeding trial. At six different daytimes, hay contaminated with 1% or 2% dried MS was provided to the horses over a duration of 1 h. The rejection behaviour was observed personally and by video recordings. If a horse ingested more than two plants of MS during one observation period, the observation was stopped and repeated at another day. When the observation period had to be stopped twice, the horse was excluded from the experiment. Results Five of six horses ingested MS during the first feeding periods. One horse rejected leaves and capsules at the beginning of the study, but it showed repeated ingestion of MS after the seventh observation period. Main limitations Lack of knowledge about secondary plant metabolites affecting taste and their variability between fresh and dried plants. Conclusions The intake of MS in hay by horses could not be ruled out with certainty. Therefore, feeding hay contaminated with MS should be avoided for equids.

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“…Compared with cool-season grasses, legumes have increased digestibility, greater crude protein (CP), and decreased fiber content (Balde, Vandersall, Erdman, Reeves, & Glenn, 1993;Elizalde, Merchen, & Faulkner, 1999;Gibbs, Potter, Schelling, Krieder, & Boyd, 1988;LaCasha, Brady, Allen, Richardson, & Pond, 1999). Legumes are also lower in nonstructural carbohydrates (Rodiek & Jones, 2012), which can be beneficial for horses diagnosed with metabolic disorders, including insulin resistance and Equine Metabolic syndrome (Frank, 2009). As a result, grass-legume pastures have the potential to be grazed by horses who have increased energy requirements or metabolic disorders.…”

Section: Benefits Of Adding Legumes To Horse Pasturesmentioning

confidence: 99%

Herbage mass, botanical composition, forage nutritive value, and preference of grass–legume pastures under horse grazing

DeBoer

Grev

Wells

et al. 2020

Crop Forage & Turfgrass Mgmt

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Cool-season perennial grasses are the foundation of productive horse pastures in the north-central United States. The addition of legumes in pastures can increase forage mass and digestible energy content, yet little research has investigated grass-legume pastures under horse grazing. The objectives of this research were to evaluate herbage mass, botanical composition, forage nutritive value, and preference of grass-legume pastures under horse grazing. Plots consisting of orchardgrass (Dactylis glomerata L.), Kentucky bluegrass (Poa pratensis L.), and meadow fescue (Festuca pratensis Huds.) were planted in monoculture and in binary mixtures with alfalfa (Medicago sativa L.) or white clover (Trifolium repens L.) and grazed by horses in Minnesota during the 2013, 2014, and 2015 grazing seasons. Herbage mass, weed mass, and forage nutritive values were determined prior to grazing, and horse preference was evaluated following grazing. When evaluating herbage mass, the inclusion of alfalfa resulted in a consistently higher mass than grass monoculture. Kentucky bluegrass mixtures resulted in a decreased mass of non-sown (weed) species and an increase in horse preference. Improved forage nutritive values were also observed with the inclusion of legumes regardless of grass species, including higher crude protein and neutral detergent fiber digestibility at 48 h and lower neutral detergent fiber. As a result, using grass-legume mixtures in pastures can provide benefits for grazing horses and pasture productivity. 1 THE IMPORTANCE OF PASTURE TO THE HORSE Forages are an important component of the equine (Equus Caballus L.) diet, and previous surveys have reported >80% Abbreviations: BCS, body condition score; BW, bodyweight; CP, crude protein; NDF, neutral detergent fiber; NDFD48, neutral detergent fiber digestibility at 48 h. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Voluntary Intake of Four Hay Types by Horses

Cited by 16 publications

References 7 publications

Effect of Soaking on Nitrate Concentrations in Teff Hay

Effect of Soaking on Nitrate Concentrations in Teff Hay

Rejection behaviour of horses for hay contaminated with meadow saffron (Colchicum autumnale L.)

Herbage mass, botanical composition, forage nutritive value, and preference of grass–legume pastures under horse grazing

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