[fr] Cette étude vise à estimer le poids du fœtus zébu peulh à partir des mesures échographiques des
diamètres de l’abdomen (DA), du bipariétal (DBP), du cordon ombilical (DCO), de la corne utérine (DCU) et des longueurs du fémur (LF), du tibia (LT), et du dos (LD). Elle a concerné soixante et un (n = 61) utérus gravides recueillis après abattage de femelles gestantes. Toutes les gestations étaient simples. Les examens ont été réalisés en bain d’eau
au moyen d’une sonde convexe de 3,5 MHz. Les utérus ont été ensuite disséqués afin de rapporté le poids des fœtus
au moyen d’une balance. Les données ont été analysées au moyen du système de régression curvilinéaire. Les formules d’estimation du poids à partir des paramètres biométriques ont été de type y = axb , où y est le poids (g), a et b_constantes, et x est le paramètre biomètrique (mm). Toutes les structures morphologiques étudiées ont présenté des corrélations positives et hautement significatives avec le poids du fœtus (p < 0,0001). Toutefois, les DA (R2 = 0,94), DBP (R2 = 0,80), et la LF (R2 = 0,81) semblent être les plus appropriés pour l’estimation du poids du fœtus. À défaut de ces paramètres, les autres structures étudiées peuvent servir de repère dans l’estimation du poids. [en] This study aims to estimate fetal weight using ultrasound measurements of abdominal (AD),
biparietal (BPD), umbilical cord (UCD), uterine horn (UHD) diameters and femur (FL), tibia (TL), and crown rump (CRL) lengths in zebu peulh. It concerned 61 (n = 61) simple gravid uteri collected from slaughterhouse. Ultrasonographic scanning was carried out in a water bath using a real-time B-mode ultrasound machine having
3.5 MHz convex probe. The uterus was then dissected to report the weight of the fetuses using a scale. The data were
subjected to simple curvilinear regression analysis. The derived weight estimation formulas type was y = axb . Where y is the fetal weight (g), a and b are constants, and x is the biometric parameter (mm). All morphological structures studied showed positive and highly significant correlations with fetal weight (p < 0.0001). However, AD (R2 = 0.94), BPD (R2 = 0.80), and FL (R2 = 0.81) appear to be the most appropriate parameters for estimating fetal weight in zebu peulh. In the absence of these parameters, the other structures studied can be used as a benchmark in weight estimation.
Disciplines :
Veterinary medicine & animal health
Author, co-author :
Yamboue, A.T.
Zongo, M.
Traore, B.
Dialo, O.
Hanzen, Christian ; Université de Liège - ULiège > Dépt d'Ens. et de Clinique des animaux de Production (DCP) > Dépt d'Ens. et de Clinique des animaux de Production (DCP)
Language :
French
Title :
Estimation du poids du fœtus zébu peulh à partir de mesures échographiques des paramètres fœtaux
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