[1] PRATT-PHILLIPS S E.Feeding practices and nutrient intakes among elite show jumpers[J].Journal of Equine Veterinary Science,2016,43:39-43.
[2] DICKS L M T,BOTHA M,DICKS E,et al.The equine gastro-intestinal tract:an overview of the microbiota,disease and treatment[J].Livestock Science,2014,160:69-81.
[3] LUTHERSSON N,NIELSEN K H,HARRIS P,et al.Risk factors associated with equine gastric ulceration syndrome (EGUS) in 201 horses in Denmark[J].Equine Veterinary Journal,2009,41(7):625-630.

[4] FLORES R S,BYRON C R,KLINE K H.Effect of feed processing method on average daily gain and gastric ulcer development in weanling horses[J].Journal of Equine Veterinary Science,2011,31(3):124-128.

[5] RICHARDSON K,MURRAY J A M D.Fiber for performance horses:a review[J].Journal of Equine Veterinary Science,2016,46:31-39.
[6] KAYA-KARASU G,HUNTINGTON P,IBEN C,et al.Feeding and management practices for racehorses in turkey[J].Journal of Equine Veterinary Science,2018,61:108-113.
[7] HARRIS P.Feeding management of elite endurance horses[J].Veterinary Clinics of North America:Equine Practice,2009,25(1):137-153.

[8] LARSSON A,MÜLLER C E.Owner reported management,feeding and nutrition-related health problems in Arabian horses in Sweden[J].Livestock Science,2018,215:30-40.
[9] BELKAID Y,HAND T W.Role of the microbiota in immunity and inflammation[J].Cell,2014,157(1):121-141.

[10] EL AIDY S,VAN DEN BOGERT B,KLEEREBEZEM M.The small intestine microbiota,nutritional modulation and relevance for health[J].Current Opinion in Biotechnology,2015,32:14-20.
[11] KALUZNA-CZAPLINSKA J,GATAREK P,CHARTRAND M S,et al.Is there a relationship between intestinal microbiota,dietary compounds,and obesity?[J] Trends in Food Science & Technology,2017,70:105-113.
[12] WILLING B,VÖRÖS A,ROOS S,et al.Changes in faecal bacteria associated with concentrate and forage-only diets fed to horses in training[J].Equine Veterinary Journal,2009,41(9):908-914.

[13] DYER J,MEREDIZ E F C,SALMON K S H,et al.Molecular characterisation of carbohydrate digestion and absorption in equine small intestine[J].Equine Veterinary Journal,2002,34(4):349-358.
[14] LACOMBE V A,HINCHCLIFF K W,KOHN C W,et al.Effects of feeding meals with various soluble-carbohydrate content on muscle glycogen synthesis after exercise in horses[J].American Journal of Veterinary Research,2004,65(7):916-923.

[15] BULMER L,MCBRIDE S,WILLIAMS K,et al.The effects of a high-starch or high-fibre diet on equine reactivity and handling behaviour[J].Applied Animal Behaviour Science,2015,165:95-102.
[16] DESTREZ A,GRIMM P,CÉZILLY F,et al.Changes of the hindgut microbiota due to high-starch diet can be associated with behavioral stress response in horses[J].Physiology & Behavior,2015,149:159-164.
[17] PRATT-PHILLIPS S,KUTZNER-MULLIGAN J,MARVIN R,et al.The effect of feeding two or three meals per day of either low or high nonstructural carbohydrate concentrates on postprandial glucose and insulin concentrations in horses[J].Journal of Equine Veterinary Science,2014,34(11/12):1251-1256.
[18] VAN DEN BERG M,HOSKIN S O,ROGERS C W,et al.Fecal pH and microbial populations in thoroughbred horses during transition from pasture to concentrate feeding[J].Journal of Equine Veterinary Science,2013,33(4):215-222.

[19] COENEN M,KIENZLE E,VERVUERT I,et al.Recent German developments in the formulation of energy and nutrient requirements in horses and the resulting feeding recommendations[J].Journal of Equine Veterinary Science,2011,31(5/6):219-229.
[20] HILL J.Impacts of nutritional technology on feeds offered to horses:a review of effects of processing on voluntary intake,digesta characteristics and feed utilisation[J].Animal Feed Science and Technology,2007,138(2):92-117.

[21] HYMØLLER L,DICKOW M S,BRØKNER C,et al.Cereal starch,protein,and fatty acid pre-caecal disappearance is affected by both feed technological treatment and efficiency of the chewing action in horses[J].Livestock Science,2012,150(1/2/3):159-169.
[22] MÜLLER C E.Equine ingestion of haylage harvested at different plant maturity stages[J].Applied Animal Behaviour Science,2011,134(3/4):144-151.
[23] MÜLLER C E.Equine digestion of diets based on haylage harvested at different plant maturities[J].Animal Feed Science and Technology,2012,177(1/2):65-74.
[24] SICILIANO P D,GILL J C,BOWMAN M A.Effect of sward height on pasture nonstructural carbohydrate concentrations and blood glucose/insulin profiles in grazing horses[J].Journal of Equine Veterinary Science,2017,57:29-34.
[25] SÉGUIN V,LEMAUVIEL-LAVENANT S,GARON D,et al.Effect of agricultural and environmental factors on the hay characteristics involved in equine respiratory disease[J].Agriculture,Ecosystems & Environment,2010,135(3):206-215.

[26] CARSLAKE H B,ARGO C M,PINCHBECK G L,et al.Insulinaemic and glycaemic responses to three forages in ponies[J].The Veterinary Journal,2018,235:83-89.
[27] ARGO C M,DUGDALE A H A,MCGOWAN C M.Considerations for the use of restricted,soaked grass hay diets to promote weight loss in the management of equine metabolic syndrome and obesity[J].The Veterinary Journal,2015,206(2):170-177.

[28] MOORE-COLYER M J S,TAYLOR J L E,JAMES R.The effect of steaming and soaking on the respirable particle,bacteria,mould,and nutrient content in hay for horses[J].Journal of Equine Veterinary Science,2016,39:62-68.
[29] HUMER E,HOLLMANN M,STÖGMÜLLER G,et al.Steaming conditions enhance hygienic quality of the compromised equine hay with minimal losses of nonfiber carbohydrates[J].Journal of Equine Veterinary Science,2019,74:28-35.
[30] ELIA J B,ERB H N,HOUPT K A.Motivation for hay:effects of a pelleted diet on behavior and physiology of horses[J].Physiology & Behavior,2010,101(5):623-627.

[31] BERGERO D,PEIRETTI P G.Intake and apparent digestibility of permanent meadow hay and haylage in ponies[J].Journal of Equine Veterinary Science,2011,31(2):67-71.

[32] MOORE-COLYER M J S,LONGLAND A C.Intakes and
in vivo apparent digestibilities of four types of conserved grass forage by ponies[J].Animal Science,2000,71(3):527-534.

[33] MÜLLER C E.Long-stemmed vs. cut haylage in bales-effects on fermentation,aerobic storage stability,equine eating behaviour and characteristics of equine faeces[J].Animal Feed Science and Technology,2009,152(3/4):307-321.
[34] MCCUE M E,GEOR R J,SCHULTZ N.Equine metabolic syndrome:a complex disease influenced by genetics and the environment[J].Journal of Equine Veterinary Science,2015,35(5):367-375.

[35] SECOMBE C J,LESTER G D.The role of diet in the prevention and management of several equine diseases[J].Animal Feed Science and Technology,2012,173(1/2):86-101.
[36] WILLIAMSON A,ROGERS C W,FIRTH E C.A survey of feeding,management and faecal pH of Thoroughbred racehorses in the North Island of New Zealand[J].New Zealand Veterinary Journal,2007,55(6):337-341.

[37] DEBOER M L,HATHAWAY M R,KUHLE K J,et al.Glucose and insulin response of horses grazing alfalfa,perennial cool-season grass,and teff across seasons[J].Journal of Equine Veterinary Science,2018,68:33-38.
[38] JULLIAND S,MARTIN A,JULLIAND V.Effect of dehydrated alfalfa on equine gastric and faecal microbial ecosystems[J].Livestock Science,2018,215:16-20.
[39] ESSÉN-GUSTAVSSON B,CONNYSSON M,JANSSON A.Effects of crude protein intake from forage-only diets on muscle amino acids and glycogen levels in horses in training[J].Equine Veterinary Journal,2010,42(Suppl.38):341-346.
[40] 刘凯,赵芳,李晓斌,等.不同纤维和蛋白质水平饲粮对2岁焉耆马消化代谢、血浆生化指标及体增重的影响[J].动物营养学报,2016,28(6):1935-1944.
[41] 刘凯,李晓斌,陈学济,等.不同纤维和蛋白质水平饲粮对12月龄焉耆马营养物质消化代谢、血浆生化指标的影响[J].动物营养学报,2016,28(4):1274-1284.
[42] WILLIAMS C A,KRONFELD D S,STANIAR W B,et al.Plasma glucose and insulin responses of Thoroughbred mares fed a meal high in starch and sugar or fat and fiber[J].Journal of Animal Science,2001,79(8):2196-2201.

[43] BRØKNER C,BACH KNUDSEN K E,KARAMAN I,et al.Chemical and physicochemical characterisation of various horse feed ingredients[J].Animal Feed Science and Technology,2012,177(1/2):86-97.
[44] JENSEN R B,AUSTBØ D,BLACHE D,et al.The effect of feeding barley or hay alone or in combination with molassed sugar beet pulp on the metabolic responses in plasma and caecum of horses[J].Animal Feed Science and Technology,2016,214:53-65.
[45] BORGHI R T,RODRIGUES P G,MOURA R S,et al.Digestibility of nutrients and digestive health in horses submitted to moderate exercise and supplemented with diets formulated with soybean hulls[J].Journal of Equine Veterinary Science,2017,59:118-125.
[46] CIPRIANO-SALAZAR M,ADEGBEYE M J,ELGHANDOUR M M M Y,et al.The dietary components and feeding management as options to offset digestive disturbances in horses[J].Journal of Equine Veterinary Science,2019,74:103-110.
[47] AGAZZI A,FERRONI M,FANELLI A,et al.Evaluation of the effects of live yeast supplementation on apparent digestibility of high-fiber diet in mature horses using the acid insoluble ash marker modified method[J].Journal of Equine Veterinary Science,2011,31(1):13-18.

[48] SALEM A Z M,ELGHANDOUR M M Y,KHOLIF A E,et al.Influence of feeding horses a high fiber diet with or without live yeast cultures supplementation on feed intake,nutrient digestion,blood chemistry,fecal coliform count,and
in vitro fecal fermentation[J].Journal of Equine Veterinary Science,2016,39:12-19.
[49] JULLIAND S,MARTIN A,JULLIAND V.Effect of live yeast supplementation on gastric ecosystem in horses fed a high-starch diet[J].Livestock Science,2018,215:25-29.
[50] ELGHANDOUR M M Y,KHUSRO A,GREINER R,et al.Horse fecal methane and carbon dioxide production and fermentation kinetics influenced by
Lactobacillus farciminis-supplemented diet[J].Journal of Equine Veterinary Science,2018,62:98-101.
[51] DOUTHIT T L,LEVENTHAL H R,UWITUZE S,et al.
Megasphaera elsdenii attenuates lactate accumulation in cultures of equine cecal microorganisms provided with starch or oligofructose[J].Journal of Equine Veterinary Science,2019,74:1-8.
[52] SALEM A Z M,ELGHANDOUR M M Y,KHOLIF A E,et al.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[J].Journal of Equine Veterinary Science,2015,35(9):735-743.

[53] BULENS A,VAN BEIRENDONCK S,VAN THIELEN J,et al.The enriching effect of non-commercial items in stabled horses[J].Applied Animal Behaviour Science,2013,143(1):46-51.

[54] GLUNK E C,HATHAWAY M R,WEBER W J,et al.The effect of hay net design on rate of forage consumption when feeding adult horses[J].Journal of Equine Veterinary Science,2014,34(8):986-991.

[55] ELLIS A D,FELL M,LUCK K,et al.Effect of forage presentation on feed intake behaviour in stabled horses[J].Applied Animal Behaviour Science,2015,165:88-94.
[56] ELLIS A D,REDGATE S,ZINCHENKO S,et al.The effect of presenting forage in multi-layered haynets and at multiple sites on night time budgets of stabled horses[J].Applied Animal Behaviour Science,2015,171:108-116.
[57] MORGAN K,KJELLBERG L,KARLSSON BUDDE L,et al.Pilot study on work load management and feed intake time when feeding horses with small mesh haynets[J].Livestock Science,2016,186:63-68.
[58] ROCHAIS C,HENRY S,HAUSBERGER M."Hay-bags" and "Slow feeders":testing their impact on horse behaviour and welfare[J].Applied Animal Behaviour Science,2018,198:52-59.