2015
DOI: 10.1016/j.smallrumres.2015.06.003
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Oestrous response and characterization of the ovulatory wave following oestrous synchronization using PGF2α alone or combined with GnRH in ewes

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Cited by 20 publications
(21 citation statements)
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“…Pregnancy loss was reduced in synchronized low‐prolific Rahmani ewes using a double injection of PGF2α by treatment of GnRH at the time of estrus or 7 days post‐mating (Hashem, El‐Azrak, et al, 2015). Tighter synchrony of ovulation was reported in treated ewe with ovsynch‐protocol compared with double PGF2α injection; although, conception rate and litter size did not differ between the two regimes (Hashem, El‐Zarkouny, Taha, & Abo‐Elezz, 2015). In this study, similar to study of Alnimer, Tabbaa, Amasheh, and Alzyoud (2005), there was no difference in conception and the first lambing rates between hormonal treated ewes and the ram effect.…”
Section: Discussionmentioning
confidence: 98%
“…Pregnancy loss was reduced in synchronized low‐prolific Rahmani ewes using a double injection of PGF2α by treatment of GnRH at the time of estrus or 7 days post‐mating (Hashem, El‐Azrak, et al, 2015). Tighter synchrony of ovulation was reported in treated ewe with ovsynch‐protocol compared with double PGF2α injection; although, conception rate and litter size did not differ between the two regimes (Hashem, El‐Zarkouny, Taha, & Abo‐Elezz, 2015). In this study, similar to study of Alnimer, Tabbaa, Amasheh, and Alzyoud (2005), there was no difference in conception and the first lambing rates between hormonal treated ewes and the ram effect.…”
Section: Discussionmentioning
confidence: 98%
“…Similar results were found by Rutigliano (2010) stated that that the level of progesterone concentration was only less than 1.0 ng/ml, when synchronized ewes by two injections of PGF 2α . However, Hashem et al (2015) reported that the serum progesterone concentrations at the end of treatment were 6.50 and 5.62 ng/ml in GPG protocol and duple injections with PGF 2α , respectively. These differences may be due to difference dose of PGF 2α and GnRH.…”
Section: Serum Progesterone Level Around the Time Of Treatmentmentioning
confidence: 96%
“…To determine the health status of the uterus, goats were subjected to transrectal ultrasonography (B-mode transrectal linear array probe, 5.0 MHz, Pie Medical Equipment B.V., Maastricht, Netherlands) 7, 20, and 40 at days postpartum as described by Hasem et al [21]. Briefly, the probe was fixed in a 1 cm × 30 cm plastic rod to facilitate probe insertion into the rectal cavity; then, the probe was lubricated with a hydrosoluble gel and sheathed with a 2 cm × 35 cm polyvinyl chloride pipe to avoid certain damage to the rectal mucosa.…”
Section: Determination Of Udder and Uterus Health Bioindicatorsmentioning
confidence: 99%