Induction of parturition in Zebu-cross recipients carrying in vitro-produced Bos indicus embryos

Nasser, L.F.; Rezende, Luiz Fabiano Coelho de; Bó, G. A.; Barth, A.D.

doi:10.1016/j.theriogenology.2007.09.002

Cited by 12 publications

(9 citation statements)

References 20 publications

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“…Ces auteurs ne trouvent aucune différence significative dans la réduction de la rétention placentaire entre un traitement de combinaison de DEX-I (dexaméthasone isonicotinate), suivi du traitement de CLO (cloprosténol) et le lot expérimental au cloprosténol seul quand bien même ces glucocorticoïdes à longue action sont indiqués pour faciliter la maturation placentaire (Nako, 2001). En revanche, ce taux de rétention placentaire a été trop élevé pour Nasser et al (2007) …”

Section: Discussionunclassified

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Efficacité de l’induction du vêlage à la dexaméthasone et/ou à la prostaglandine F deux alpha chez les vaches inséminées dans les Cascades au Burkina Faso

Blagna¹,

Tellah²,

Mbaindingatoloum³

et al. 2017

Int. J. Bio. Chem. Sci

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Section: Discussionunclassified

“…L'insémination artificielle (IA) a été identifiée comme un outil de choix pour améliorer la productivité du cheptel bovin en Afrique (Bouyer, 2006 ;Nasser et al, 2007). Issa et al (2010) indiquent que le résultat de l'IA s'améliore avec la maîtrise des conditions d'élevage (stabulation).…”

Section: Introductionunclassified

Efficacité de l’induction du vêlage à la dexaméthasone et/ou à la prostaglandine F deux alpha chez les vaches inséminées dans les Cascades au Burkina Faso

Blagna¹,

Tellah²,

Mbaindingatoloum³

et al. 2017

Int. J. Bio. Chem. Sci

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“…In the first trimester in human cytotrophoblasts, cortisol can suppress the synthesis of pro-inflammatory interleukin (IL)-1b [ 64 , 65 ]. It is now known that most glucocorticoids given at high levels can act as abortifacients [ 66 ]. The potent glucocorticoids dexamethasone (DEX) and flumethasone appear to be among the most active parturition inducing agents [ 62 , 67 ].…”

Section: Steroidsmentioning

confidence: 99%

A Critical Overview on Prostaglandin Inhibitors and Their Influence on Pregnancy Results after Insemination and Embryo Transfer in Cows

Jaśkowski

Opałka

Gehrke

et al. 2021

Animals

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Assisted reproductive techniques in cattle, such as artificial insemination (AI) and embryo transfer (ET), are widely used. Despite many years of methodological improvements, the pregnancy rate (PR) in cows has not increased in direct proportion with their development. Among the possibilities to increase the PR is the use of certain steroids and nonsteroidal anti-inflammatory drugs (NSAIDs). The antiluteolytic effect of NSAIDs is achieved by blocking cyclooxygenase, which is involved in the conversion of arachidonic acid to prostaglandins. This article compares the PRs obtained after treatment with the commonly used NSAIDs in cattle, including flunixin meglumine, carprofen, meloxicam, ibuprofen, aspirin, and sildenafil. Studies on the effectiveness of certain steroid drugs on the PR have also been described. The results were not always consistent, and so comparisons between studies were made. In conclusion, flunixin meglumine seems to be an option, and can be recommended for improving ET results, especially in situations of high exposure or susceptibility to stress. Its administration under all circumstances, however, might be pointless and will not lead to the desired effect.

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“…Parturition may be induced via different protocols (Lewing et al 1985;Nasser et al 1994), but is generally achieved by using a combination of corticoid treatment with a prostaglandin (PGF 2α ) analogue. The use of PGF 2α is highly conserved between different protocols, whereas the corticoid treatment is highly variable: treatments may consist of a single dose of 20 mg dexamethasone in the last 36 h before delivery or they may start 7 days before the expected date of delivery (EDD) using a slow-release, long-acting corticoid, such as opticortenol, betamethasone or triancinolone acetonide, followed by the standard protocol (Nasser et al 1994(Nasser et al , 2008. The aim of the latter treatment option is to accelerate final maturation of fetal lungs and organs, as well as the placenta.…”

Section: Perinatal Managementmentioning

confidence: 99%

Delivery of cloned offspring: experience in Zebu cattle (Bos indicus)

Meirelles

Birgel

Perecin

et al. 2010

Reprod. Fertil. Dev.

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The production of a healthy cloned calf is dependent on a multitude of successful steps, including reprogramming mediated by the oocyte, the development of a functional placenta, adequate maternal-fetal interaction, the establishment of a physiological metabolic setting and the formation of a complete set of well-differentiated cells that will eventually result in well-characterised and fully competent tissues and organs. Although the efficiency of nuclear transfer has improved significantly since the first report of a somatic cell nuclear transfer-derived animal, there are many descriptions of anomalies concerning cloned calves leading to high perinatal morbidity and mortality. The present article discusses some our experience regarding perinatal and neonatal procedures for cloned Zebu cattle (B. indicus) that has led to improved survival rates in Nellore cloned calves following the application of such 'labour-intensive technology'.

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Induction of parturition in Zebu-cross recipients carrying in vitro-produced Bos indicus embryos

Cited by 12 publications

References 20 publications

Efficacité de l’induction du vêlage à la dexaméthasone et/ou à la prostaglandine F deux alpha chez les vaches inséminées dans les Cascades au Burkina Faso

Efficacité de l’induction du vêlage à la dexaméthasone et/ou à la prostaglandine F deux alpha chez les vaches inséminées dans les Cascades au Burkina Faso

A Critical Overview on Prostaglandin Inhibitors and Their Influence on Pregnancy Results after Insemination and Embryo Transfer in Cows

Delivery of cloned offspring: experience in Zebu cattle (Bos indicus)

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