The mule (Equus mulus) as a recipient of horse (Equus caballus) embryos: Comparative aspects of early pregnancy with mares

Camargo, Carlos Eduardo; Rechsteiner, Sandra Mara da Encarnação Fiala; Macan, Rodrigo Chaves; Kozicki, Luiz Ernandes; Gastal, M.O.

doi:10.1016/j.theriogenology.2019.10.029

Cited by 4 publications

(3 citation statements)

References 35 publications

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“…However, according to the latest reports, such differences may be catered for by using appropriate hormonal preparations [ 2 , 9 ]. Recent studies have reported successful pregnancies and foal births in recipient mules even [ 61 , 62 ].…”

Section: Discussionmentioning

confidence: 99%

Factors affecting the efficiency of equine embryo transfer (EET) in polo mares under subtropical conditions of Pakistan

Mahmood,

Ali Channa,

Ghafoor

et al. 2024

PLoS ONE

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Equine embryo transfer (EET) is a prominent technology in the equine breeding industry, and its efficacy is affected by a number of factors. The current study aimed to determine the effects of the breed of donor/recipient mares, estrus/ovulation induction treatment, cooled transportation of embryos, and synchrony between donor and recipient mares on the efficiency of the EET under subtropical conditions of Pakistan. A total of eighty-four (n = 84) Polo-playing donor mares (Argentino-polo = 41 and Anglo-Arab = 43) and seventy (n = 70) recipient mares (light breed = 26 and heavy breed = 44) were used for EET. The donor mares exhibiting natural estrus (n = 28) were detected by teaser a stallion, and corpus luteum (CL) having mares (n = 56) were treated with prostaglandin (150 μg of Cloprostenol) for estrus induction. The mares’ follicular growth was monitored through ultrasonography until the dominant follicle’s size reached 35 mm or more with a moderate to obvious uterine edema score. Afterward, the mares were treated either with GnRH, i.e., 50 μg of Lecirelin acetate (n = 41) or Ovusyn, i.e., 1500 IU hCG (n = 43). Insemination with chilled semen was performed 24 hours later. The embryos were collected non-surgically, 7 or 8 days after ovulation, from the donor mares. The collected embryos were transferred into the well-synchronized recipient mares as fresh (n = 44) or chilled (n = 26) embryos. The pregnancy after ET was checked through ultrasonography. Statistical analysis revealed that the embryo recovery rate (ERR) remained significantly higher (P<0.05) for the Prostaglandin (PG) treated group of donors as compared to the natural heat group of donors. The breed of donor mares, type of ovulatory treatment given, and day of embryo collection did not significantly (P>0.05) affect the ERR. There was no significant effect of the type (fresh vs chilled), classification, and stage of development of embryo on pregnancy outcomes (P>0.05). ET pregnancy rate was significantly affected by the breed of recipient mares and ovulation synchrony between donor and recipient mares (P<0.05). In conclusion, under the subtropical conditions of Pakistan, PG-based estrus induction of donor mares, breed of recipient mares, and ovulation synchrony between the donor and recipient mares had a substantial effect on the efficiency of EET.

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Section: Discussionmentioning

confidence: 99%

Factors affecting the efficiency of equine embryo transfer (EET) in polo mares under subtropical conditions of Pakistan

Mahmood,

Ali Channa,

Ghafoor

et al. 2024

PLoS ONE

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“…Bagal (Equus mulus) adalah hewan hasil hibridisasi bersifat interspesifik yakni persilangan antara kuda (Equus caballus) dan keledai (Equus asinus) [3]. Secara spesifik dikatakan bahwa hewan bagal (mule) ini merupakan hasil perkawinan antara kuda betina (female horse) dengan keledai jantan (male donkey) [4].…”

Section: Pendahuluanunclassified

“…Hal tersebut berdampak pada pertemuan pasangan kromosom normal, yang kemudian mengakibatkan proses pembelahan meiosis menjadi terhenti. Namun, di samping itu, pada beberapa litearur telah menemukan bagal fertil yang dibuktikan dengan metode kariotipe [3].…”

Section: Pendahuluanunclassified

Perilaku Bagal (Equus mulus) dalam Perspektif Islam dan Sains

JAENUDDIN¹

2023

Preprint

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Bagal (Equus mulus) merupakan hewan hibrida dari hasil perkawinan silang antara kuda dengan keledai. Hewan ini memiliki sifat yang lebih unggul dibandingkan parentalnya sendiri. Dalam perspektif Islam, bagal dijadikan sebagai hewan tunggangan dan perhiasan. Makna hewan tunggangan yaitu bahwa bagal dimanfaatkan sebagai alat transportasi maupun alat pengangkut barang. Kemudian, makna perhiasan sendiri berupa salah satu hewan yang diciptakan-Nya dengan keindahan yang mampu memberikan rasa kagum terhadap manusia. Terdapat beberapa manfaat bagal dalam pandangan al-Qur’an, diantaranya sebagai sarana transportasi, pengangkut logistik dan sebagai hewan ternak. Sedangkan, dalam perspektif sains, bagal menjadi hewan yang menarik untuk diteliti karena merupakan hasil hibridisasi. Ada beberapa perilaku bagal yang telah diamati oleh para peneliti, diantaranya berupa perilaku sosial yang cenderung lebih dekat dengan sama jenisnya berupa perilaku sosialisai dan bermain, kemudian perilaku normal dengan berguling dan perawatan diri, perilaku abnormal ketika sakit, perilaku bawaan yang menunjukkan keunggulan bagal, perilaku stereotip berupa gelisah, perilaku makan yang tidak pemilih, perilaku kawin bagal betina yang mirip dengan kuda betina sedangkan perilau agresi oleh bagal jantan. Di samping itu, bagal juga memiliki kemampuan kognitif yang melebihi parentalnya karena kemampuannya dalam memodifikasi perilaku dan sifat fleksibel yang dimilikinya.

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Equine embryo mobility. A game changer

Ginther

2021

Theriogenology

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The mule (Equus mulus) as a recipient of horse (Equus caballus) embryos: Comparative aspects of early pregnancy with mares

Cited by 4 publications

References 35 publications

Factors affecting the efficiency of equine embryo transfer (EET) in polo mares under subtropical conditions of Pakistan

Factors affecting the efficiency of equine embryo transfer (EET) in polo mares under subtropical conditions of Pakistan

Perilaku Bagal (Equus mulus) dalam Perspektif Islam dan Sains

Equine embryo mobility. A game changer

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