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Becú-Villalobos, D.; Tornadú, I.G.; Shroeder, G.; Salado, E.E.; Gagliostro, G.; Delavaud, C.; Chilliard, Y.; Lacau-Mengido, I.M. "Effect of fat supplementation on leptin, insulin-like growth factor I, growth hormone, and insulin in cattle" (2007) Canadian Journal of Veterinary Research. 71(3):218-225
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Abstract:

We investigated the effect of fat supplementation on plasma levels of hormones related to metabolism, with special attention to leptin, in cows in early lactation and in feedlot steers. In experiment 1, 34 lactating cows received no fat or else 0.5 or 1.0 kg of partially hydrogenated oil per day in addition to their basal diet from day 20 before the expected calving date to day 70 postpartum. In experiment 2, part of the corn in the basal concentrate was replaced with 0.7 kg of the same oil such that the diets were isocaloric; 18 cows received the fat-substituted diet and 18 a control diet from day 20 before the expected calving date to day 75 postpartum. In experiment 3, calcium salts of fatty acids were added to the basal diet of 14 feedlot steers for 80 d; another 14 steers received a control diet. The basal plasma levels of leptin were higher in the cows than in the steers. Dietary fat supplementation did not affect the leptin levels in the lactating cows but lowered the levels in the feedlot steers despite greater energy intake and body fatness (body weight) in the steers receiving the supplement than in those receiving the control diet. The levels of insulin-like growth factor I and insulin were decreased with dietary fat supplementation in the lactating cows but were unaffected in the steers, suggesting that responses to fat ingestion depend on the physiological state of the animal, including age and sex. Finally, no effects of supplementary fat on the level of growth hormone were demonstrated in any of the models.

Registro:

Documento: Artículo
Título:Effect of fat supplementation on leptin, insulin-like growth factor I, growth hormone, and insulin in cattle
Autor:Becú-Villalobos, D.; Tornadú, I.G.; Shroeder, G.; Salado, E.E.; Gagliostro, G.; Delavaud, C.; Chilliard, Y.; Lacau-Mengido, I.M.
Filiación:Laboratorio de Regulación Hipofisaria, Instituto de Biología y Medicina Experimental, Vuelata de Obligado 2490, 1428 Buenos Aires, Argentina
Instituto Nacional de Tecnología Agropecuaria, Estación Experimental Balcarce, 7620 Balcarce, Argentina
INRA, Unité de Recherches sur lesHerbivores, Theix 63122 Saint-Genes-Champanelle, France
Palabras clave:calcium chloride; calcium salt; corn oil; fatty acid derivative; growth hormone; insulin; leptin; somatomedin C; age distribution; animal experiment; animal food; article; body fat; body weight; breeding; caloric intake; cattle; concentration response; controlled study; diet supplementation; fat intake; fat substitute; female; growth hormone blood level; hormone metabolism; lactation; nonhuman; sex difference; Age Factors; Animal Nutrition Physiology; Animals; Cattle; Dietary Fats, Unsaturated; Dietary Supplements; Dose-Response Relationship, Drug; Female; Growth Hormone; Hydrogenation; Insulin; Insulin-Like Growth Factor I; Lactation; Leptin; Male; Pregnancy; Pregnancy, Animal; Random Allocation; Sex Factors; Animalia; Bos; Zea mays
Año:2007
Volumen:71
Número:3
Página de inicio:218
Página de fin:225
Título revista:Canadian Journal of Veterinary Research
Título revista abreviado:Can. J. Vet. Res.
ISSN:08309000
CODEN:CJVRE
CAS:calcium chloride, 10043-52-4; corn oil, 8001-30-7; growth hormone, 36992-73-1, 37267-05-3, 66419-50-9, 9002-72-6; insulin, 9004-10-8; somatomedin C, 67763-96-6; Dietary Fats, Unsaturated; Growth Hormone, 9002-72-6; Insulin, 11061-68-0; Insulin-Like Growth Factor I, 67763-96-6; Leptin
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08309000_v71_n3_p218_BecuVillalobos

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Citas:

---------- APA ----------
Becú-Villalobos, D., Tornadú, I.G., Shroeder, G., Salado, E.E., Gagliostro, G., Delavaud, C., Chilliard, Y.,..., Lacau-Mengido, I.M. (2007) . Effect of fat supplementation on leptin, insulin-like growth factor I, growth hormone, and insulin in cattle. Canadian Journal of Veterinary Research, 71(3), 218-225.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08309000_v71_n3_p218_BecuVillalobos [ ]
---------- CHICAGO ----------
Becú-Villalobos, D., Tornadú, I.G., Shroeder, G., Salado, E.E., Gagliostro, G., Delavaud, C., et al. "Effect of fat supplementation on leptin, insulin-like growth factor I, growth hormone, and insulin in cattle" . Canadian Journal of Veterinary Research 71, no. 3 (2007) : 218-225.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08309000_v71_n3_p218_BecuVillalobos [ ]
---------- MLA ----------
Becú-Villalobos, D., Tornadú, I.G., Shroeder, G., Salado, E.E., Gagliostro, G., Delavaud, C., et al. "Effect of fat supplementation on leptin, insulin-like growth factor I, growth hormone, and insulin in cattle" . Canadian Journal of Veterinary Research, vol. 71, no. 3, 2007, pp. 218-225.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08309000_v71_n3_p218_BecuVillalobos [ ]
---------- VANCOUVER ----------
Becú-Villalobos, D., Tornadú, I.G., Shroeder, G., Salado, E.E., Gagliostro, G., Delavaud, C., et al. Effect of fat supplementation on leptin, insulin-like growth factor I, growth hormone, and insulin in cattle. Can. J. Vet. Res. 2007;71(3):218-225.
Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08309000_v71_n3_p218_BecuVillalobos [ ]