Results: 14

Los términos corpus rubrum, corpus luteum y corpus albicans en terminologia anatomica del ovario

Int. j. morphol; 40 (4), 2022
RESUMEN: El objetivo del presente artículo fue revisar la etimología de los términos Corpus rubrum, Corpus luteum y Corpus albicans, identificar si la forma de nombrarlos en las diferentes nóminas y terminologías internacionales están acorde a las sugerencias de la FIPAT y, analizar y reflexionar r...

Grado de desarrollo del folículo preovulatorio y su relación con el tamaño del cuerpo lúteo y la producción de progesterona en las razas Romosinuano (RS) y Brahman (Br)

Rev. med. vet. zoot; 68 (1), 2021
RESUMEN Para comparar en los folículos preovulatorios de hembras bovinas de las razas Brahman (Br) y Romosinuano (RS) el desarrollo de los diferentes componentes foliculares, como el tamaño del antro folicular, el grosor y el volumen ocupado por la capa de células de la granulosa (CG) y de la teca int...

Evaluation of interferon-stimulated gene 15 (ISG15) expression in blood neutrophils in beef cattle poisoned by Senecio spp

Pesqui. vet. bras; 41 (), 2021
This study aimed to assess liver damage and interferon-stimulated gene 15 (ISG15) blood expression as a consequence of embryonic signaling on maternal recognition of pregnancy in beef cattle presenting natural ingestion of Senecio spp. Epidemiological aspects, as the presence of the plant, associated to ...

Deciphering the functional role of EGR1 in Prostaglandin F2 alpha induced luteal regression applying CRISPR in corpus luteum of buffalo

Biol. Res; 54 (), 2021
BACKGROUND: PGF2α is essential for the induction of the corpus luteum regression which in turn reduces progesterone production. Early growth response (EGR) proteins are Cys2-His2-type zinc-finger transcription factor that are strongly linked to cellular proliferation, survival and apoptosis. Rapid eleva...

Effect of the subdose of human chorionic gonadotropin applied in the Hou Hai acupoint on ovulation induction in mares

The objective of this study was to evaluate the effects of an hCG sub dose applied at the Hou Hai acupoint on corpus luteum (CL) quality and ovulation induction in mares. Fifteen crossbred mares were distributed in randomized blocks and used in three periods with each period employed as the blocking fact...

Condición corporal y reinicio de la actividad ovárica posparto en vacas Holstein en Ecuador
Corporal condition and restart of the ovarian postpartum on Holstein cows in Ecuador

Rev. MVZ Córdoba; 25 (3), 2020
RESUMEN Objetivo. Determinar la influencia de la condición corporal al parto (CCP) en el reinicio de la actividad ovárica (RAO) posparto de la vaca Holstein en la región andina de Ecuador. Materiales y métodos. Se trabajaron 30 vacas. Se determinaron el momento de aparición del folículo dominante...

Reproductive biology, morphology, and morphometry of ovaries and oviducts of Trachemys scripta elegans in Brazilian Cerrado

Pesqui. vet. bras; 40 (2), 2020
Although Trachemys scripta elegans is an exotic species popular as a pet in Brazil, studies on reproductive biology and capacity are non-existent in the Brazilian Cerrado. This study analyzed ovarian and oviduct characteristics and the egg production capacity of T. scripta elegans grown in this biome. Th...

Reproductive efficiency of nellore (Bos indicus) cows subject to both FTAI and homeopathic supplementation

Biosci. j. (Online); 35 (1), 2019
The aim of this work was to determine the effect of homeopathic supplementation on both ovarian dynamics and conception rate in Nellore cows subjected to fixed-time artificial insemination (FTAI). Cows (n = 150) were randomly distributed to the control (CG) and the homeopathy group (HG). The...

Avaliação morfofuncional do corpo lúteo para diagnóstico precoce de gestação 20 dias após IATF em vacas mestiças leiteiras

Pesqui. vet. bras; 38 (10), 2018
A detecção superprecoce de gestação é de grande relevância quando se trata do aumento da produtividade dos rebanhos, na tentativa de redução do tempo de serviço desses animais. Por tal relevância, objetivou-se utilizar a ultrassonografia (US) Doppler como ferramenta para predição de gestaçã...

Perfil de progesterona em novilhas com diferente atividade luteal e tratadas com implantes vaginais

O dispositivo de liberação de progesterona (DLP) é muito importante em protocolos de Inseminação Artificial em Tempo Fixo (IATF). Representa cerca de 43% dos custos e é objeto de estudos sobre a eficiência da sua reutilização. No entanto, perfis de liberação de progesterona (P4) em animais com...