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Master's Dissertation
DOI
https://doi.org/10.11606/D.10.2007.tde-22022008-160519
Document
Author
Full name
Waleska Tobo Pastori
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
Pirassununga, 2007
Supervisor
Committee
Gobesso, Alexandre Augusto de Oliveira (President)
Mesquita Neto, Francisco Duque de
Rennó, Francisco Palma
Title in Portuguese
Suplementação com óleo de soja para eqüinos
Keywords in Portuguese
Colesterol
Digestibilidade
Gordura
Lipoproteínas
Potros
Abstract in Portuguese
Em um delineamento em Quadrado Latino 4X4 balanceado, foram utilizados quatro potros, filhos do mesmo garanhão, com idade entre 10 e 12 meses e peso médio de 270 kg (dp ± 9,80 Kg). Foram analisados os efeitos, por regressão simples polinomial, da inclusão dos níveis de 5, 10, 15 e 20 % de óleo de soja, no concentrado, sobre aceitabilidade, coeficiente de digestibilidade aparente da matéria seca (CDAMS), matéria orgânica (CDAMO), proteína bruta (CDAPB), extrato etéreo (CDAEE), fibra insolúvel em detergente neutro (CDAFDN), em detergente ácido (CDAFDA) e sobre a concentração plasmática de colesterol total (COL) e suas frações nas lipoproteína de densidade muito baixa (VLDL-C), lipoproteína de densidade baixa (LDL-C), lipoproteína de densidade alta (HDL-C) e triglicérides totais (TRG). O aumento do nível de inclusão de óleo afetou (p<0,05) o CDAMO, CDAFDN e CDAFDA, apresentando uma resposta quadrática, com diminuição da digestibilidade após o valor esperado de 10,7%, 9,5% e 10,5% EE na dieta, respectivamente. Observou-se resposta linear (p<0,05) dos tratamentos sobre a concentração plasmática de colesterol e LDL-C, apresentando diminuição 0,65 mg/dL de colesterol e 0,58 mg/dL de LDL-C para cada 1% de aumento no EE no concentrado. A inclusão de óleo de soja afetou a digestibilidade da dieta, principalmente na fração parede celular e diminuiu a concentração plasmática de colesterol e HDL-C.
Title in English
Supplementation with soybean oil for equine
Keywords in English
Cholesterol
Digestibility
Fats
Foals
Lipoproteins
Abstract in English
In a balanced 4x4 Latin Square design, 04 foals from the same stallion were used. They aged between 10 and 12 months and their average weight was 270±9.80 kg. The effects of soybean oil inclusion at the concentrated on acceptability, coefficient of apparent digestibility to dry matter (CADAMS), organic matter (CADOM), crude protein (CADCP), ethereal extract (CADEE), neutral detergent fiber (CADNDF), acid detergent (CADADF) and the plasma concentrations of total cholesterol (COL) and the fractions in Very Low Density Lipoprotein (VLDL - C), low-density lipoprotein (LDL-C), high-density lipoprotein (HDL-C) and total triglycerides (TRG), at the following levels of 5, 10, 15 and 20%, were analyzed by simple polynomial regression. Increase in the level of oil inclusion affected (P<0.05) CADOM, CADNDF and CADADF, showing a quadratic response. For those parameters, digestibility was decreased after inclusion of 10.7%, 9.5% and 10.5 of EE% in the diet, respectively. There was a linear response (P<0.05) to the treatments on the cholesterol plasma concentration and LDL-C; each 1% of increase in EE on the diet caused a decreased of 0.65 mg/dL on cholesterol and 0.58 mg / dL on LDL-C. The inclusion of soybean oil affected the digestibility of the diet, mainly on cell wall fraction, and decreased the concentration of plasma cholesterol and HDL-C.
 
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Waleska_Tobo_Pastori.pdf (316.85 Kbytes)
Publishing Date
2008-03-07
 
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