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Michael Alan Horrox
A Yorkshire practitioner whose expertise led him to work with a variety of species. He enjoyed involvement in a number of veterinary groups, as well as local organisations in his home town.
Journal Article
Behaviour during transportation predicts stress response and lower airway contamination in horses
This study aimed to document the effects of an eight hour journey on behavioural, clinical, haematological, environmental and respiratory parameters, and to identify possible associations between factors. Twelve horses underwent clinical examination, respiratory endoscopy with tracheal wash (TW) aspiration, and collection of venous and arterial blood before (BJ) and after the journey (AJ). TW were submitted for conventional quantitative bacteriological evaluation and genetic microbiome analyses. Behaviour was assessed in stables prior to transportation and throughout the journey. Transportation caused mild, but significant, effects on fluid and electrolyte balance and an acute phase response, characterized by neutrophilia, hyperfibrinogenaemia and hyperglobulinaemia. The proportion of neutrophils in TW, tracheal mucus and TW bacterial concentration was increased AJ, with preferential replication of Pasteurellaceae. Horse behaviour en route predicted clinical and respiratory outcomes. The frequency of stress related behaviours was greatest in the first hour of the journey, and balance-related behaviours were most common in the final hour of the journey. Horses which lowered their heads less frequently en route and showed more stress-related behaviours had higher physiological stress (serum cortisol and heart rate on arrival), increased tracheal mucus and inflammation scores, and higher TW bacterial concentration AJ (P<0.05). Six horses with abnormal lung auscultation AJ proved to have had higher tracheal inflammation scores at preloading (P = 0.017), an overall higher concentration of bacteria in their TW (P = 0.013), and an increased percentage of neutrophils in TW at five days AJ (P = 0.003) in comparison to the other horses. While transport-related health problems are multifactorial, clinical examination, including auscultation and endoscopic inspection of the lower respiratory tract before and after journey, and behavioural observation en route may identify animals at increased risk of transport associated respiratory disease.
Journal Article
A good horse is never a bad color : tales of training through communication and trust
In A Good Horse Is Never a Bad Color, Mark Rashid continues to share his talent for training horses through communication rather than force. Rashid uses humorous, feel-good stories to relate his techniques of teaching horses by examining their view of the world. This book is a must-have for compassionate horse trainers and owners. Tales of Arabs, appaloosas, and paints--mistrusted and mistreated because of their breed--will give readers a new perspective on these breeds and others. This new edition features added introductory notes for each chapter that contribute to a better understanding of Rashid's philosophy and methods.
Book
Quick-soak fibre feed for horses
The company reports that the feed offers a full range of vitamins and minerals, prebiotic FOS (fructooligosaccharides) and probiotic live yeast for digestive health and contains protein to help maintain topline and muscle tone. Research and development manager, Clare Barfoot, said: 'There is something very comforting about feeding soaked feeds, which is why bran mashes and sugar beet have been so popular in years gone by, but these traditional practices take time and don't provide a balanced ration.
Journal Article
Decorated horses
Looks at horses and their history with human beings, examining how they have been used in hunting, warfare, performance, competition, ceremony, and celebration, with illustrations that showcase how people decorate them.
Book
Ancient genomes revisit the ancestry of domestic and Przewalski’s horses
The domestication of horses was very important in the history of humankind. However, the ancestry of modern horses and the location and timing of their emergence remain unclear. Gaunitz et al. generated 42 ancient-horse genomes. Their source samples included the Botai archaeological site in Central Asia, considered to include the earliest domesticated horses. Unexpectedly, Botai horses were the ancestors not of modern domestic horses, but rather of modern Przewalski's horses. Thus, in contrast to current thinking on horse domestication, modern horses may have been domesticated in other, more Western, centers of origin. Science , this issue p. 111 The earliest herded horses were ancestors of feral Przewalski’s horses but not of modern domesticated horses. The Eneolithic Botai culture of the Central Asian steppes provides the earliest archaeological evidence for horse husbandry, ~5500 years ago, but the exact nature of early horse domestication remains controversial. We generated 42 ancient-horse genomes, including 20 from Botai. Compared to 46 published ancient- and modern-horse genomes, our data indicate that Przewalski’s horses are the feral descendants of horses herded at Botai and not truly wild horses. All domestic horses dated from ~4000 years ago to present only show ~2.7% of Botai-related ancestry. This indicates that a massive genomic turnover underpins the expansion of the horse stock that gave rise to modern domesticates, which coincides with large-scale human population expansions during the Early Bronze Age.
Journal Article