2011
DOI: 10.1016/j.theriogenology.2011.04.014
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Abstract: In spite of numerous, substantial advances in equine reproduction, many stages of embryonic and fetal morphological development are poorly understood, with no apparent single source of comprehensive information. Hence, the objective of the present study was to provide a complete macroscopic and microscopic description of the equine embryo/fetus at various gestational ages. Thirty-four embryos/fetuses were aged based on their crown rump length (CRL), and submitted to macroscopic description, biometry, light and… Show more

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Cited by 46 publications
(85 citation statements)
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“…In Aly (), similar morphological characteristics are described for the mesonephros in dromedary embryos of 0.9 cm of CRL, although the EGA of these embryos is not mentioned. These features are also in agreementwith the observations in equines at days 19–25 of gestation (Franciolli et al., ).…”
Section: Discussionsupporting
confidence: 93%
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“…In Aly (), similar morphological characteristics are described for the mesonephros in dromedary embryos of 0.9 cm of CRL, although the EGA of these embryos is not mentioned. These features are also in agreementwith the observations in equines at days 19–25 of gestation (Franciolli et al., ).…”
Section: Discussionsupporting
confidence: 93%
“…By day 21, coinciding with the descriptions for other mammals (Franciolli et al., ; Hyttel, Sinowatz, & Vejlsted, ), the limbs were still undifferentiated. By 25–29 days, they were differentiated but without fingers.In agreement with previous reports for the equine and bovine (Evans & Sack, ), the presence of fingers was identified in 3.5–4.8 cm CRL embryos (EGA 30–39 days) in conjunction with the initiation of joint development and the outline of the intervertebral discs.…”
Section: Discussionsupporting
confidence: 81%
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“…In adult horses, the hoof wall of thoracic limbs increases by 0.63cm and that of pelvic limbs by 0.72cm (GLADE & SALZMAN, 1985), within the 270-365 d required to complete its growth down to the weight-bearing margin (KAINER, 2006). Recent studies investigated hoof formation during pregnancy (FRANCIOLLI et al, 2011) and evaluated the time necessary for the fetal hoof to grow down from the coronary band to the distal margin (CURTIS et al, 2014). However, no studies conducted so far have investigated the biometrics of natural hoof growth from birth to weaning.…”
Section: Introductionmentioning
confidence: 99%