Forages and grazing in horse nutrition

Foreword.- Part 1. Plant physiology and its relation to feeding value.- Grass physiology and its relation to nutritive value in feeding horses.- Changes in chemical composition of different grass species and -mixtures in equine pasture during grazing season.- Phytoestrogen coumestrol and its metabolite in mares’ plasma after clover mixed pasture and alfalfa pellets ingestion.- Fermentation parameters and total gas production of equine caecal and faecal inocula.- White clover (Trifolium repens L.): do non-structural carbohydrates account?.- Part 2. Nutritional assessment of forage quality.- Nutritional assessment of forage quality.- Prediction of organic matter digestibility of forages in horses using different chemical, biological and physical methods.- Repeatability and reproducibility of digestibility measurements in horses fed forage based diets.- The effect of three different treatments on the respirable particle content, total viable count and mould concentrations in hay for horses.- Degradation of grass and grass fructan by equine gastrointestinal digesta in vitro.- Nitrogen digestion of a large range of hays by mobile nylon bag technique (MNBT) in horses.- Evaluation of ADL, AIA and TiO2 as markers to determine apparent digestibility in ponies fed increasing proportions of concentrate.- The effect of steaming and soaking treatments on respirable dust content of hay and the potential environmental polluting impact of the waste water produced.- The use of frozen equine faeces to assess the nutritional quality of forages using an in vitro gas production technique.- Part 3. Grazing / Ingesting behaviour.- Grazing systems and the role of horses in heathland areas.- How do horses graze pastures and affect the diversity of grassland ecosystems?.- The effect of pasturerestriction on dry matter intake of foraging donkeys in the United Kingdom.- Variations in voluntary feed intake in 2 year old Standardbred geldings in training fed a forage only diet ad libitum.- Effect of forage presentation on feed intake behaviour in stabled horses.- The effect of wearing a grazing muzzle vs. not wearing a grazing muzzle on intakes of spring, summer and autumn pastures by ponies.- Inhibition of lamellar separation caused by endotoxins by Polymyxin B in an ex vivo/ in vitro model of equine laminitis.- Acclimatisation of horses to a novel feeding system.- Part 4. Grazing and pasture management.- Grazing and pasture management considerations from around the world.- Farm grazing management with horses in two French grassland regions: Normandy and Auvergne.- Grassland management practice on Irish Thoroughbred stud farms.- Heavy grazing by horses on heathlands of different botanical composition.- Foraging behaviour of equines grazing on partially improved heathlands.- Effect of cultivated or semi-natural pasture on changes in live weight, body condition score, body measurements and fat thickness in grazing Finnhorse mares.- Part 5. Impact of harvest, preservation and storage conditions on forage quality.- Impact of harvest, preservation and storage conditions on forage quality.- Horse feed hygiene evaluation with microbial and sensory examination.- Effect of Vivaflor 03 on the colonic ecosystem of horses fed a high forage diet.- Effects of a deoxynivalenol contaminated diet on feed intake and health status in horses.- Aerobic stability of sugar cane in natura hydrolysed with calcium oxide to be used in equine diets.- Nutritional composition of white oat (Avena sativa L.) with different levels of dry matter for use in the diet of horses.- Effect of storage period on the chemical composition and beta-carotene concentration in estilosantes hay varieties for feeding equine.- Part 6. Forage feeding systems.- Forage feeding systems; Jansson et al.- Forage analyses as a base of feeding of horses.- Effects of foaling season on growth and development of Lusitano suckling foals raised on extensive grazing systems.- Effects of traditional versus novel feeding management on 24 hour time budget of stabled horses.- Effect of inoculation of laminitic-prone, equine faecal inocula with varying forage sources with or without live yeast (Saccharomyces cerevisiae) on in vitro gas production parameters.- Feeding forage before or after oats affects caecum pH profiles of the horse.- The usage of forage analyses in optimizing horse nutrition in Finland.- Blood glucose, lactate, urea, β-hydroxybutyrate, NEFA and insulin in Norwegian trotter horses fed different diets.- Lusitano horses in Portugal without access to pasture are at risk of having low serum levels of vitamin E: a pilot study.- Effect of yucca (Yucca schidigera) on ammonia levels from equine excreta in the stable.- Influence of fat supplementation on mare’s milk composition.- Effect of omega-3 and omega-6 fatty acids supplementation on development of equine and mule nursing foals.- Part 7. Forage digestion and utilization by equids.- The fermentation of hay and starch when incubated in vitro with faecal inoccula from either normal healthy horses or horses with a history of laminitis.- In vitro gas production from colon contents in electrolyte supplemented horses.- Effects of electrolyte supplementation on colonic contents and faeces in horses.- Effect of the inclusion of ricinoleic acid from castor oil (Ricinus communis L.) in equine diet based on Bermuda grass hay: glycemic and insulinemic response.- Effect of the use of Saccharomycescerevisiae on apparent digestibility in horses diet.- Effect of ricinoleic acid from castor oil (Ricinus communis L.) inclusion in equine diet on total apparent digestibility.- Part 8. Evaluating body condition.- Relationship between body condition and neck crest score systems and subcutaneous fat, tissue and muscle ultrasonic measurements in horses.- Evaluation of body condition score in horses by ultrasonography.- Relationship between ultrasound subcutaneous fat depth, body condition score and body subcutaneous fat distribution in Miranda breed jennets.- Part 9. Management of parasitism in grazing equids.- Ethnoveterinary applied to Equidae in the Alentejo, south Portugal.- A combined trial of chemotherapy and biological control measures against parasites in grazing horses.- Effect of Duddingtonia flagrans chlamydospores on the control of parasite infection in grazing horses.- Parasite control in Miranda Donkeys as a way of keeping animal welfare.- Addition of Duddingtonia flagrans chlamydospores to the concentrate feed can improve the successful of control measures against strongyle infection in horses.- Part 10. Sustainable development of rural areas with horses.- Equids contribution to sustainable development in rural areas: a new challenge for the third millennium.- Socio-economic impact of horse production on rural areas: a comparison between Ireland and France.- Territories and grassland exploitation by horses in France.- The Portuguese Garrano breed: an efficient and sustainable production system.- Quantitative assessment of enteric methane emission and nitrogen excretion by equines.- Inorganic, soluble faecal phosphorus excretion in growing horses fed forage-only diets.- Part 11. Other horse topics.- Effects of body weight restriction on blood and adipose tissue adipokines and macrophage activation in obese and insulin-resistant ponies.- Study of the lymphocyte proliferation of neonate foals from mares supplemented with linseed oil and soybean oil.- Author index.- Sponsors.