Effects of Body Condition and Composition on the Onset of Postpartum Ovarian Activity in Beef Cows

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AudienciaPúblico en generales_ES
CoberturaMéxicoes_ES
Fecha de ingreso2026-10-05T16:32:06Z
Fecha de publicación2011-01-01
ResumenBeef cows were evaluated from 6.5 +/- 1.6 months of gestation until 4 months postpartum, to correlate postpartum ovarian activity with body characteristics. Cows with Body Condition Score (BCS) of 4 or 5 (9-point scale) were sorted into three groups (n = 7 each): High-High (H/H), fed to maintain adequate BCS; High-Low (H/L), adequately fed prepartum but restricted (80\% of nutritional requirements) postpartum and Low-High (L/H), restricted before calving but overfed afterwards (80 and 120\%, respectively). Body composition (Backfat and rib eye area), fetal and calf development were evaluated every 14 days using ultrasound; weight and BCS were also measured. Despite ration differences, body composition and fetal measurements were similar among groups. Group L/H exhibited lower body weight and BCS (p<0.001) and calf birth weight (p<0.05) than H/H and H/L. Postpartum ovarian function was similar among groups. However, cows with average postpartum BCS scores >= 4 showed larger maximum follicle diameters than those with <4 (p<0.001). After temporary weaning at 60-90 days postpartum, only four cows ovulated. In conclusion, cows' BCS affects fetal and early calf development, maximum follicle diameter and estrous cycle onset. Follicle waves of increasing diameter are present but adequate body condition is required to reach ovulation.es_ES
URIhttps://riuat.uat.edu.mx/handle/123456789/3981
Idiomaenes_ES
EditorialMEDWELL ONLINEes_ES
RelaciónJournal of Animal and Veterinary Advanceses_ES
DerechosAcceso restringido / Suscripción (Metadatos de producción científica)es_ES
Licenciahttp://purl.org/coar/access_right/c_16eces_ES
FuenteJournal of Animal and Veterinary Advances
Palabra claveBody conditiones_ES
Palabra clavepostpartum ovarian functiones_ES
Palabra claveultrasoundes_ES
Palabra clavebody compositiones_ES
Palabra clavebeef cattlees_ES
Palabra claveMexicoes_ES
TítuloEffects of Body Condition and Composition on the Onset of Postpartum Ovarian Activity in Beef Cowses_ES
TipoArtículoes_ES
ArbitradoHa sido Arbitradoes_ES
AutorDominguez, M. A.
AutorVillanueva-Castillo, A.
AutorPonce-Acosta, M. P.
AutorCastillo-Almaguer, R.
AutorGutierrez-Rodriguez, E.
AutorMedellin-Avila, O.
AutorLopez-Zavala, R.
AutorSalinas-Chavira, J.
AutorDominguez, M. A.es_ES
AutorVillanueva-Castillo, A.es_ES
AutorPonce-Acosta, M. P.es_ES
AutorCastillo-Almaguer, R.es_ES
AutorGutierrez-Rodriguez, E.es_ES
AutorMedellin-Avila, O.es_ES
AutorLopez-Zavala, R.es_ES
AutorSalinas-Chavira, J.es_ES
InstituciónUniversidad Autónoma de Tamaulipas
InstituciónUniversidad Autónoma de Tamaulipases_ES
Número24es_ES
Rango de páginas3236-3243es_ES
Tipo de artículoIndexado
Tipo de artículoIndexadoes_ES
Volumen10es_ES

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