Examinando por Autor "Alvarado, Wigoberto"

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Diprosopus y otras malformaciones en bovino: Reporte de Caso
(División de Investigación, Facultad de Ciencias Veterinarias, Universidad del Zulia, 2025-01-31) Gaona Huamán, Edson; Cabrera Rojas, Ivy; Galvez Chuquilin, Anali; Portal Torres, Jorge; Cueva Rodríguez, Medali; Alvarado, Wigoberto; Quilcate Pairazamán, Carlos Enrique
Diprosopus is a congenital malformation result, also known as craniofacial duplication, which is widely recognized in humans and there are also reports in many animal species. The objective of this research is to learn about the clinical manifestations and post mortem findings in cattle diprosopus. Female cattle with incomplete cephalic facial cephalic duplication (diprosopus), product of the eighth gestation of a Creole cow with, from the village center of Quidén, district of Paccha, province of Chota, region of Cajamarca, Peru, with extensive production breeding system. The cattle presented two lower jaws with double oral and nasal cavity, two tongues and supernumerary teeth, the vault was double and single neck. It is confirmed that the case described is diprosopus in cattle.
Genomic analysis for cattle breeding improvement, progress and future perspectives in Peru: a review
(Taylor & Francis Group, 2025-08-31) Figueroa Venegas, Deyanira antonella; Romero Avila, Yolanda Madelein; Heredia Vilchez, Lizeth A.; Poemape Tuesta, Carlos Augusto; Alvarado, Wigoberto; Quilcate Pairazaman, Carlos Enrique
Genomics offers a promising solution by enabling precise cattle selection and breedingto boost productivity and sustainability. In Peru, livestock plays a crucial role in theeconomy and food security. Despite its importance, the sector faces significantchallenges, including poor pasture quality, limited conservation practices, a shortage oftrained professionals, minimal use of genomic tools, and an incomplete understandingof the genetic potential of both native and introduced breeds. Since the 1940s, Peruhas advanced in genetic improvement through artificial insemination, improved semenpreservation, the establishment of a National Semen Bank, and the introduction of newbreeds. Key developments have included embryo transfer, in vitro fertilization, andpioneering cloning efforts. Future perspectives for livestock genomics in Peru involveexpanding bioinformatics capacity, improving genomic infrastructure, and integratinggenomic selection into national breeding strategies. This review discusses the history,current status, challenges, and future perspectives of livestock genomics in Peru.