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1.
Braz. j. vet. res. anim. sci ; 43(supl): 120-128, 2006. tab, graf
Article in Portuguese | LILACS | ID: lil-473516

ABSTRACT

A exigência nutricional das éguas é mais alta nos primeiros três meses de lactação. A energia é importante para que possam manter a condição corporal e produzir leite para os potros. Investigou-se o efeito da variação do peso corporal de éguas em lactação mantidas sob uma dieta suplementada por um concentrado com quatro níveis (0, 4, 8 e 16%) de óleo de babaçu. Foram utilizadas 16 éguas sem raça definida e em lactação e com peso vivo médio de 441,2 kg. O concentrado usado na suplementação dos animais foi de 1,5% do peso vivo, sendo composto de quirera de milho, farelo de soja e farelo de trigo com 16% de proteína bruta. A água e o volumoso constituído de Napier e suplemento mineral foram fornecidos ad libitum. As éguas foram colocadas em baias individuais (4 x 5 m) onde receberam as 4 dietas, uma vez ao dia. As dietas foram oferecidas durante 42 dias. Ao término do experimento observou-se que a suplementação com óleo de babaçu não afetou condição corporal das éguas. Os resultados indicaram que, em condições tropicais, pode-se suplementar a alimentação com até 4% de óleo de babaçu.


Mares have the highest nutrient requirement in the first three months of lactation. Energy is important for mares to maintain body condition and produce milk for their foals. The effect on body weight changes were investigated through supplemental coconut oil (CO) at four levels (0, 4, 8 and 16%) in concentrate fed to 16 multiparous mares in early lactation with average body weight 441.2 Kg. Mares were fed 1,5% live weight with concentrate composed of com meal, wheat bran and soybean meal with 16% crude protein. The forage was Napier grass, mineral supplement and water "ad libitum". Mares were allotted to 16 pens (4x5m) and randomly assigned to receive four diets once a day during 42 days. At the end of the experiment the CO supplementation did not affect mares body condition The results indicated that in tropical conditions level at 4% CO supplementation had better results for lactating mares.


Subject(s)
Animals , Female , Horses , Lactation/physiology , Dietary Supplements/adverse effects , Vegetable Fats
2.
Braz. j. vet. res. anim. sci ; 43(supl): 109-119, 2006. graf, tab
Article in Portuguese | LILACS | ID: lil-473517

ABSTRACT

Foi investigada a suplementação de dietas com óleo de babaçu nos níveis de (0, 4, 8 e 16%) na composição do sangue e leite de éguas em lactação. Utilizaram-se 16 éguas em lactação, sem raça definida com peso vivo médio de 441,2 kg. As éguas foram suplementadas com 1,5% do peso vivo com uma mistura composta de quirera de milho, farelo de trigo e farelo de soja com 16% de proteína bruta. A água e o volumoso constituído de Napier e suplemento mineral, foram oferecidos ad libitum. Colocadas em baias individuais com 4 x 5m as éguas recebiam as dietas tratamento uma vez ao dia.Elas foram alimentadas durante 42 dias. Coletaram-se amostras de 50 ml de sangue para análise de triglicerídeos e colesterol total e 250 ml de leite colhido manualmente para as análises de acidez, teor de gordura e colesterol. O sangue apresentou, ao término do experimento, os seguintes teores: triglicerídeos (24, 32, 28 e 25 mg dl(elevado a -1)), colesterol (107, 136, 126 e 129 mg dl(elevado a -1)) e para o leite, os teores encontrados foram: (acidez 10,9,8 e 7º D),gordura (0,6; 1,1; 0,9 e 0,9 %), colesterol na gordura do leite (366,5; 308,6; 447,9 e 491,0 mg.100g(elevado a -1)). A suplementação com óleo de babaçu aumentou os níveis de triglicerídeos e colesterol plasmáticos com efeito linear. Quanto ao leite, diminuiu o teor de acidez e aumentou os teores de gordura com efeito linear, mas não afetou o teor de colesterol.


The effect of dietary supplementation with coconut oil (CO) with four levels (0, 4, 8 and 16%) on the variation of blood and milk composition of lactating mares were investigated. Sixteen lactating mares were used with average live weight of 441.2 kg. Mares were supplemented with 1,5% of live weight with concentrate composed of com meal, wheat bran and soybean meal with 16% crude protein. Forage was Napier grass and mineral supplement and water supplied "ad libitum". Mares were allotted to 16 pens (4x5m) and randomly assigned to receive each of four diets once a day during 42 days. Samples of blood (50 ml) were collected for analysis of triglycerides and cholesterol. Samples of milk (250 ml) were collected manually for analyses of acidity, fat and cholesterol. At the end of the experiment the supplementation with CO showed respectively for blood: triglycerides, 24; 32; 28 and 25 mg dl (involution -1); cholesterol, 107; 136; 126 and 129 mgdl (involution -1) and for milk: acidity, 10; 9; 8 and 7 °D; fat, 0,6; 1,1; 0,9 and 0,9%. Cholesterol in the fat of the milk, 366.5; 308.6; 447.9 and 491.0 mg.100g (involution -1). The supplementation with CO, increased the triglycerides levels and plasmatic cholesterol, with linear effect; they reduced the level of acidity and increased fat content of milk with linear effect and they had no effect on cholesterol content in the milk.


Subject(s)
Animals , Female , Blood Chemical Analysis/adverse effects , Horses , Milk/adverse effects , Dietary Supplements/analysis , Vegetable Fats
3.
São Paulo; s.n; 1999. 74 p. ilus, tab, graf.
Thesis in Portuguese | LILACS | ID: lil-263372

ABSTRACT

Mares have the highest nutrient requirement in the first three months of lactation. Energy is important for mares to maintain body condition and produce milk for their foal. Nutrients for milk production come from feeding and are carried by blood to mammary gland. The effect on body weight changes blood for cholesterol and triglycerides, milk for fat content and foals development were investigated through supplemental dietary fat coconut oil (CO) at four levels (0,4,8 and 16 per cent) in concentrate fed to 16 multiparous thoroughbred mares in early lactation with average body weight ñ 441,2 Kg. Mares were fed 1,5 per cent live weight with concentrate composed of corn meal wheat bran and soybean meal with 16 per cent crude protein...


Subject(s)
Animals , Animal Nutritional Physiological Phenomena , Dietary Supplements , Fats , Fatty Acids, Volatile , Lactation , Oils/analysis , Substrates for Biological Treatment , Animal Feed , Cholesterol/blood , Energy Requirement , Lipids/metabolism , Triglycerides/blood , Weight Gain
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