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Basic metabolic profile of crossbred holstein friesian cows from the dairy basin of tarqui highlands south of the Ecuador
ArticleAbstract: With the objective of establishing reference values of glucose, total proteins, urea, calcium, phospPalabras claves:calcium, dairy cows, glucose, Magnesium, Metabolic profile, phosphorus, Total proteins, ureaAutores:Cornelio Alejandro Rosales Jaramillo, Jennifer B. Dután, Jennifer Dután, Ximena Bravo, Yolanda AguilarFuentes:scopusControl of the emergence of the follicular wave by the application of oestradiol benzoate, GnRH and follicular ablation in the late metaoestrous in heifers in the high tropics
ArticleAbstract: The response of the dominant follicle (DF), the profile of the FSH and estradiol and the onset of thPalabras claves:dynamic, Hormone, Metestrus, RecruitmentAutores:Ermes Ramiro Rodas Carpio, Jennifer B. Dután, Jorge Bolívar Dután Sanango, Luis E. Ayala, Luis Eduardo Ayala Guanga, Pedro Emilio Nieto Escandón, Rodas R., Santiago Xavier Sarmiento QuitoFuentes:scopusEffect of bypass fat on ovarian reactivation post-partum in Holstein friesian cows with different body condition
ArticleAbstract: The effect of bypass fat on productive and reproductive parameters in crossbred Holstein Friesian coPalabras claves:birth, Fat bypass, Milk, Ovarian reactivationAutores:Aguilar N., Jennifer B. Dután, Jorge Samaniego, JORGE XAVIER SAMANIEGO CAMPOVERDE, Luis E. Ayala, M. Juan Vázquez, P. E. Nieto, Rodas R., Yury MurrilloFuentes:scopusFollicular dynamics of creole heifers under grazing conditions in the ecuadorian highlands
ArticleAbstract: The aim was to characterize the behavior pattern of follicular dynamics in creoles heifer (CR) to grPalabras claves:Creoles, Follicular dinamice, HeifersAutores:E. R. Rodas, Jennifer B. Dután, Jorge Samaniego, JORGE XAVIER SAMANIEGO CAMPOVERDE, José Luis Pesántez-Pacheco, Luis E. Ayala, M. Juan Vázquez, O. Guido Calle, Ortega V.V., P. E. Nieto, Yury MurrilloFuentes:scopusRelationship between testosterone and penile spicules in Guinea pigs (Cavia porcellus)
ArticleAbstract: Understanding the physiology of penile spicules in guinea pigs (Cavia porcellus) may improve their mPalabras claves:Castrated, Guinea pig, Penile spicules, Puberty, TestosteroneAutores:Astiz S., Cornelio Alejandro Rosales Jaramillo, Jennifer B. Dután, Jorge Dutan Saramago, José Luis Pesántez-Pacheco, Luis E. Ayala, Luis Eduardo Ayala Guanga, Pedro Emilio Nieto Escandón, Ramiro Rodas Carpio, Rodas R.Fuentes:scopusRelationship of anti-müllerian hormone with the quantity and quality of oocytes collected by ultrasound-guided aspiration in Holstein heifers
ArticleAbstract: The experiment had two phases, the first one determined the relationship between the antral folliclePalabras claves:Anti-MÜllerian hormone, Follicles, Heifers, high tropics, HOLSTEINAutores:Andrés Jácome, Fernando P. Perea, Gabriela Garay, Hernandez-Fonseca H.J., Jennifer B. Dután, Jorge Samaniego, José Luis Pesántez-Pacheco, Luis E. AyalaFuentes:scopusEffect of Follicle-stimulating hormone administered epidural on ovarian response and hormone profile in Holstein cows
ArticleAbstract: The study was carried out in crossbred Holstein cows, raised in the high tropics of Ecuador. The effPalabras claves:cows Holstein, EPIDURAL, Follicle-stimulating hormone, SuperovulationAutores:Andrés Santiago Jácome-Aucay, Farias-Delgado M.G., Gabriela Sofía Garay-Peña, Jennifer B. Dután, Juan José Zambrano, Luis E. AyalaFuentes:scopusAccuracy of ultrasound and visual inspection in antral follicular count in crossbred Holstein cows raised under grazing systems at high altitude
ArticleAbstract: The objective of this research was to investigate the diagnostic accuracy of post-mortem ultrasoundPalabras claves:antral follicle count, follicle development, oestrous cycle, Ovary, Post-MortemAutores:Andrés Jácome, Astiz S., Gabriela Garay, Jennifer B. Dután, Jorge Samaniego, Luis E. Ayala, Rodas R.Fuentes:scopusComparative Assessment of Functional and Morphological Markers in Guinea Pig (Cavia porcellus) Oocytes Collected at Different Estrous Cycle Phases
ArticleAbstract: The efficiency of in vitro maturation (IVM) in Cavia porcellus remains suboptimal compared to otherPalabras claves:apoptosis detection, Brilliant Cresyl Blue staining, Cavia Porcellus, cytoplasmic maturation, Lipid droplets, oocyte maturationAutores:Andrea P. Pazmiño, Fernando P. Perea, Jennifer B. Dután, Jorge X. Samaniego, José Luis Pesántez-Pacheco, Salvador RuizFuentes:scopusBlood cortisol concentration in response to recurrent manipulation in crossbred Holstein embryo donors
ArticleAbstract: The neuroendocrine response of the donor was determined by reducing the number of applications of foPalabras claves:cortisol, donors, EPIDURAL, HOLSTEIN, SuperovulationAutores:Andrés Santiago Jácome–Aucay, Gabriela Sofía Garay–Peña, Jennifer B. Dután, Luis E. Ayala, Rodas R.Fuentes:scopus