Performance of eventing horses fed high fat diet

Godói, Fernanda Nascimento de; Almeida, Fernando Queiroz de; Migon, Eduardo Xavier Ferreira Glaser; Almeida, Hélio Fernando Moura de; Monteiro, Ana Beatriz Fonseca; Santos, Tiago Marques dos

doi:10.1590/s1516-35982010000200016

Cited by 5 publications

(5 citation statements)

References 11 publications

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“…Godoi et al (2010) evaluating horses under the same exercise protocol as in this study, also observed a similar lactate concentration profile immediately after the end of the test, with values ranging from 6.2 to 4.1 mmol dL -1 . It is possible to have a plasma concentration of lactate as an indicator of excessive training or even that of less trained or conditioned individuals, once the maintenance of its high levels can indicate a possible exhaustion in both situations.…”

Section: Resultssupporting

confidence: 70%

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Creatine and maltodextrine dietetic supplementation in eventing horses at training

et al. 2011

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-This study was carried out to evaluate the creatine and maltodextrine dietetic supplementation of eventing horses. The experimental period consisted of 56 days, with 20 horses, which were randomly divided into four groups with different diets. Diets were: diet without supplement (Control); diet supplemented with creatine, 44.4 mg/kg body weight/day (20 g creatine/horse/day); diet supplemented with creatine, 88.8 mg/kg body weight/day (40 g creatine/horse/day); diet supplemented with maltodextrine, 222.2 mg/kg body weight/day (100 g/horse/day), during three days before each test. Every horse was submitted to three tests. Blood samples and heart rate were collected at rest, immediately after the tests and 10 and 20 minutes after the test. Supplementation with creatine (44.4 mg/kg body weight/day) and maltodextrine reduced plasma concentration of lactate in horses during tests. Supplementation of creatine and maltodextrine did not alter serum concentration of aspartate aminotransferase, γ-glutamyltransferase, urea or creatinine, but training affected blood biochemical variables in eventing horses.

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Section: Resultssupporting

confidence: 70%

“…Godoi et al (2010), evaluating eventing horses observed similar values of heart rate at rest, ranging from 33 to 40 beats/min. However, immediately after the end of the test, following the same protocol used in this study, horses presented more elevated heart rate values, ranging from 102 to 133 beats/min.…”

Section: Resultsmentioning

confidence: 76%

Creatine and maltodextrine dietetic supplementation in eventing horses at training

et al. 2011

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“…2). Pösö et al (1993), ao avaliarem equinos de corrida, e Godoi et al (2010), ao estudarem equinos CCE, também não observaram diferença na concentração de ureia nos equinos antes e após o exercício, com valores médios de 108mg/dL e 34,2mg/dL, respectivamente. A semelhança entre os testes nos valores da concentração de ureia dos equinos pode estar associada ao tipo de exercício realizado, com predomínio da via glicolítica e anaeróbia para geração de energia, em detrimento do catabolismo proteico para suprimento energético observado em provas de resistência (Snow et al, 1982).…”

Section: Resultsunclassified

“…TylerMcGowan et al (1999) observaram aumento do hematócrito de repouso entre a primeira e sétima semanas de treinamento, e não observaram maiores alterações da sétima à 32ª semana. Godoi et al (2010) observaram aumento somente na concentração de hemoglobina em equinos de CCE submetidos a 82 dias de treinamento. Segundo Kingston (2004) e Castejón et al (2007), o aumento do hematócrito e da concentração de hemoglobina após o treinamento está relacionado ao aumento da eritropoiese devido à maior produção de eritropoetina, como consequência da hipoxia tecidual à qual a musculatura esquelética é submetida periodicamente durante o treinamento.…”

Section: Resultsunclassified

Hematologia e bioquímica sérica de equinos de concurso completo de equitação em treinamento

Santiago¹,

Almeida

Silva

et al. 2013

Arq. Bras. Med. Vet. Zootec.

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Avaliaram-se a hematologia e a bioquímica sérica em equinos de concurso completo de equitação (CCE) em treinamento durante testes de esforço incremental em esteira ergométrica de alta velocidade. Foram utilizados 16 equinos em delineamento experimental inteiramente ao acaso com quatro tratamentos e quatro repetições em esquema de parcelas subdivididas, utilizando-se como fontes de variação nos tratamentos a idade e o histórico de treinamento em CCE. As parcelas foram constituídas pelos testes incrementais realizados nas fases inicial e final do treinamento. As subparcelas foram representadas pelos tempos de avaliação e coletas. Os equinos do grupo experimental novos iniciantes apresentaram valor médio do hematócrito de 43,24%, sendo inferior ao hematócrito do grupo adultos iniciantes, 45,63%, novos experientes, 46,39%, e competidores, 47,74%. Houve diferença (P<0,05) entre os testes físicos realizados nas fases inicial e final do treinamento, com redução na concentração plasmática de glicose, de 112 para 98,88mg/dL, nas concentrações séricas de creatinina, de 1,41 para 1,29mg/dL, e de proteínas totais, de 6,52 para 6,38g/dL, na contagem de monócitos, de 0,54 para 0,48 10³/mm³, e com aumento na concentração plasmática de lactato, de 3,31 para 3,79mmol/L, na concentração sérica de ácido úrico, de 1,44 para 1,77mg/dL, no hematócrito, de 44,19 para 46,90%, na concentração de hemoglobina, de 14,33 para 15,10g/dL, e na contagem de leucócitos totais, de 9,26 para 9,61 10³/mm³. O treinamento dos equinos de CCE aumentou o condicionamento físico dos equinos, com maior capacidade de metabolização do lactato após o exercício e aumento nos valores basais do hematócrito e da concentração de hemoglobina.

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“…Equines that consumed oil in quantities of 500 grams daily showed better recovery with better post-test heart rate and hematocrit values (Mattos et al, 2006). Godoi et al (2010) evaluated physiological, hematological and biochemical parameters of Eventing horses during a training period consuming a diet with 10% soybean oil inclusion and subjected to physical effort tests. The trial lasted 82 days, performing three physical effort tests: in the beginning, the 60 th and 82 th day.…”

Section: High Fat Diets and Performance Of Horsesmentioning

confidence: 99%

Soybean Oil in Horses’ Diets

Almeida¹,

Godói²

2011

Soybean and Nutrition

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There is interest in the use of oils and fat in horses' diets aiming to increase energy consumption by animals with high energy requirements, provide essential fatty acids, increase the absorption of fat-soluble vitamins, reduction of the caloric increment, increase energy efficiency and reduce dust from ration avoiding upper respiratory tract diseases (Palmiquist, 1988). High-performance athletic horses are usually fed diets with high inclusion levels of grain to reach energy requirements, which can cause intestinal acidosis, gastrointestinal mucosal injury and disorders in the microbial ecosystem, causing colic and laminitis. According to Holland et al. (1996), horses fed diets with oil reduced the activity and excitability. Horses use non-structural carbohydrates such starch, maltose and sucrose as a primary source of energy, being hydrolyzed and absorbed as glucose in the small intestine. However, intestinal amylase activity is limited in the equine species and, because of the low stomach capacity, providing large amounts of starch in the diet compromises digestion in the small intestine, increasing intake of rapidly fermentable carbohydrate in the coloncecum, which may contribute to metabolic complications such as endotoxemy, colic and laminitis (NRC, 2007). Critical capacity for overload of hydrolysable carbohydrate digestion is approximately 0.4% of horse body weight (Potter et al., 1992). It is known that the intake of concentrate containing high levels of fats presents some a d v a n t a g e s i n m e t a b o l i c p o i n t o f v i e w a n d t h i s k i n d o f d i e t c a n r e d u c e t h e r i s k o f gastrointestinal disturbances, because the intake of fat stimulates the flow of digesta in the jejunum and ileum (Meyer et al., 1997). Oils and fats are used in horse diets to replace the hydrolysable and rapidly fermentable carbohydrates that are present in grains and cereals (Frape, 2004). Oils and fats addition in the diets of high activities sport horses aim to reach the high energy requirements and, according to NRC (2007), the increase on performance of athletic horses fed diets containing oils is due to better the energy / weight relation, with a reduction in dry matter intake and gastrointestinal tract weight; lower metabolic heat production associated to digestion and exercise; greater physical performance resulting from a lower muscle glycogen use, best performance in short distance running energy from anaerobic glycolysis and acidemia reduction during high intensity exercise. High fat level diets reduce the activity of lipase in adipose tissue and increase their activity in muscle, increase muscle glycogen stores, increasing the energy of the glycolytic pathway, www.intechopen.com Soybean and Nutrition 252 with fatigue delay during aerobic exercise with large duration, increase or maintain blood glucose concentration during extensive exercise and slow lactic acid accumulation during anaerobic exercise (Frape, 2004), more over improving respiratory and cardiac recovery post-exercise (Mattos et...

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Performance of eventing horses fed high fat diet

Cited by 5 publications

References 11 publications

Creatine and maltodextrine dietetic supplementation in eventing horses at training

Creatine and maltodextrine dietetic supplementation in eventing horses at training

Hematologia e bioquímica sérica de equinos de concurso completo de equitação em treinamento

Soybean Oil in Horses’ Diets

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