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Changes in cholesterol, triglycerides and body composition in pregnant mares

Mazzo, Hortencia Campos; Nogueira, Carlos Eduardo Wayne; Patten, Ruth; Noronha, Henrique dos Reis; Silva, Gabriela Castro da; Curcio, Bruna da Rosa.
Acta sci. vet. (Online); 49: Pub. 1798, Apr. 3, 2021. tab, graf
Artigo em Inglês | VETINDEX | ID: vti-30243


Background: Mares are very different from other species during pregnancy, and studies on the physiologicalchanges of this period are important. During late pregnancy, the distribution of weight and body fat are oftenused as indicators of adequate nutrition. This is a physiological period that results in an increase in metabolicdemand. There is a tendency for the Criollo breed to have a higher body condition score that becomes moreevident during pregnancy, a period when mares tend to gain more weight. The current study monitored serumcholesterol and triglyceride levels in pregnant mares during late gestation to determine a possible correlationwith the distribution of fat or body weight.Materials, Methods & Results: Four body parameters of 34 Criollo-type mares in late gestation were evaluated: body weight measured with a weight scale, body weight using a commercial weight tape, total body fatand fat thickness and the serum levels of total cholesterol and triglycerides. The fat thickness was measuredin an ultrasound device and the prediction of total body fat was calculated using an equation. According to thedays prior foaling, biometric monitoring and blood collection were carried out in five periods: F-90 (± 90 daysprior to foaling) n = 33; F-60 (± 60 days prior to foaling) n = 33; F-30 (± 30 days prior to foaling) n = 31; F-15(± 15 days prior to foaling) n = 29 and Foaling (at day of foaling) n = 14. Mares were monitored daily andaccompanied foaling was also performed, ensuring collection at the right time. Comparisons of means wereperformed between variables in addition to the Pearson correlation test. Statistical significance was establishedat P < 0.05. There was no difference in relation to the period in body composition measurements (P > 0.05). Astrong positive correlation was observed between the average weights (P < 0.001). The fat thickness showeda correlation between the weights (P < 0.01). There was no correlation with...(AU)
Biblioteca responsável: BR68.1
Localização: BR68.1