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Registros recuperados : 1,672 | |
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Registro completo
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Biblioteca (s) : |
INIA Treinta y Tres. |
Fecha actual : |
11/11/2019 |
Actualizado : |
11/11/2019 |
Tipo de producción científica : |
Capítulo en Libro Técnico-Científico |
Autor : |
BIELLI, A.; PÉREZ-CLARIGET, R. |
Afiliación : |
A. BIELLI, Departamento de Morfología y Desarrollo, Facultad de Veterinaria, Montevideo, Uruguay; R. PÉREZ-CLARIGET, Departamento de Producción Animal y Pasturas, Facultad de Agronomía, Montevideo, Uruguay. |
Título : |
Efectos de la subnutrición durante la gestación sobre el desarrollo del aparato reproductor del cordero. |
Fecha de publicación : |
2019 |
Fuente / Imprenta : |
In: QUINTANS, G.; IEWDIUKOW, M. (Ed.). Primer Seminario Técnico de Programación Fetal. Montevideo (UY): INIA, 2019. p. 111-124. |
Serie : |
(INIA Serie Técnica; 252) |
ISBN : |
978-9974-38-436-1 |
ISSN : |
1688-9266 |
Idioma : |
Español |
Contenido : |
ABSTRACT
Fetal programming by undernourishment refers to the effects of early life subnutrition on organ development later in life. Sheep breeding in Uruguay occurs normally in autumn, with parturitions in late winter or early spring. Since pasture production and quality is lowest in winter, most pregnant sheep are subject to nutrient restriction. We hereby present four experiments which describe deleterious effects of undernourishment during gestation on reproductive organs development of the lambs. We hypothesized that intrauterine subnutrition affects reproductive organs development in male lambs. Three experiments were carried out on natural pasture in Uruguay, and one of them was carried out under indoors, controlled conditions. Our results on 70 day fetuses, newborn lambs, as well as 100 and 200 days old lambs indicate
that subnutrition during early life determines smaller testes and external genitalia, lower scrotal circumference, and lower numbers of Sertoli cells which may limit the reproductive potential of rams in adulthood. |
Palabras claves : |
DESARROLLO TESTICULAR; FETAL PROGRAMMING; NUTRITIONAL RESTRICTION; OVINOS; PROGRAMACIÓN FETAL; RESTRCCIÓN NUTRICIONAL; SHEEP; TESTICULAR DEVELOPMENT. |
Asunto categoría : |
L53 Fisiología Animal - Reproducción |
URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/13792/1/St-252-p-111-124-Bielli.pdf
|
Marc : |
LEADER 01941naa a2200265 a 4500 001 1060409 005 2019-11-11 008 2019 bl uuuu u00u1 u #d 020 $a978-9974-38-436-1 022 $a1688-9266 100 1 $aBIELLI, A. 245 $aEfectos de la subnutrición durante la gestación sobre el desarrollo del aparato reproductor del cordero.$h[electronic resource] 260 $c2019 490 $a(INIA Serie Técnica; 252) 520 $aABSTRACT Fetal programming by undernourishment refers to the effects of early life subnutrition on organ development later in life. Sheep breeding in Uruguay occurs normally in autumn, with parturitions in late winter or early spring. Since pasture production and quality is lowest in winter, most pregnant sheep are subject to nutrient restriction. We hereby present four experiments which describe deleterious effects of undernourishment during gestation on reproductive organs development of the lambs. We hypothesized that intrauterine subnutrition affects reproductive organs development in male lambs. Three experiments were carried out on natural pasture in Uruguay, and one of them was carried out under indoors, controlled conditions. Our results on 70 day fetuses, newborn lambs, as well as 100 and 200 days old lambs indicate that subnutrition during early life determines smaller testes and external genitalia, lower scrotal circumference, and lower numbers of Sertoli cells which may limit the reproductive potential of rams in adulthood. 653 $aDESARROLLO TESTICULAR 653 $aFETAL PROGRAMMING 653 $aNUTRITIONAL RESTRICTION 653 $aOVINOS 653 $aPROGRAMACIÓN FETAL 653 $aRESTRCCIÓN NUTRICIONAL 653 $aSHEEP 653 $aTESTICULAR DEVELOPMENT 700 1 $aPÉREZ-CLARIGET, R. 773 $tIn: QUINTANS, G.; IEWDIUKOW, M. (Ed.). Primer Seminario Técnico de Programación Fetal. Montevideo (UY): INIA, 2019. p. 111-124.
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