A5078848723- Reproductive Biology and Fertility
- Reproductive Physiology in Livestock
- Sperm and Testicular Function
- Birth, Development, and Health
- Seed Germination and Physiology
- Genetic and phenotypic traits in livestock
- Animal Genetics and Reproduction
- Plant tissue culture and regeneration
- Rabbits: Nutrition, Reproduction, Health
- Effects of Environmental Stressors on Livestock
- Animal Behavior and Welfare Studies
- Veterinary Medicine and Surgery
- Veterinary Equine Medical Research
- Ovarian function and disorders
- Viral Infectious Diseases and Gene Expression in Insects
- Estrogen and related hormone effects
- Reproductive Health and Technologies
- Tissue Engineering and Regenerative Medicine
- Pregnancy and preeclampsia studies
- Ruminant Nutrition and Digestive Physiology
- Meat and Animal Product Quality
- Exercise and Physiological Responses
- Thyroid Disorders and Treatments
- Preterm Birth and Chorioamnionitis
- Crop Yield and Soil Fertility
Universidad de la República de Uruguay
2010-2025
Universidad La República
2020-2021
Universidad de Montevideo
2011
Contents The aim of the work was to determine whether multiple small doses GnRH induce an increase in testicular blood flow and scrotal temperature rams. experiment performed during late breeding season (May–June) with 14 one‐year‐old Seven rams received hourly 7 ng a analogue (busereline acetate) iv starting at 8:00 on morning, other seven remained as controls. One week later, treatments were overcrossed. hour before first dose (7:00), 0, 1, 2, 4, 10 h ultrasonographic examinations testes...
The study aimed to evaluate the effectiveness of combining two injectable progesterone (iP4) formulas for estrous synchronization in ewes and compare it with traditional intravaginal devices. Additionally, assessed whether inclusion GnRH enhances reproductive outcomes iP4 treatment. Two experiments were conducted. In first experiment, 20 Santa Inês divided into groups: one group received devices, other combined long-acting short-acting iP4. second 30 Corriedale GnRH, without GnRH. Estrous,...
Contact with oestrual ewes induces an increase in LH and testosterone concentrations rams. provokes testicular capillary permeability rodents fluid Therefore, the objectives of present experiment were to determine whether contact ewes, including courtship mating, content scrotal temperature During breeding season, after 2 weeks isolated from females, a total 18 tests performed using one ram ewe. The rams allowed court mate during 20 min. Testosterone blood measured by RIA samples taken...
Abstract Primiparous ewes and multiparous show physiological differences during pregnancy, which can have an impact on the development of their offspring. The objective this study was to compare changes in metabolic profile size some foetal bones throughout gestation between primiparous ewes. Twelve (PM) 14 (MT) were used. According dates lambing, two groups formed: Group 1 (G1, n = 6 PM 7 MT) 2 (G2, MT). body weight, condition score, morphometric parameters determined from before conception...
RESUMEN:El objetivo del presente trabajo fue estudiar las características morfológicas de los ovarios y ovocitos la nutria (Myocastor coypus, coypu) en diferentes estaciones año etapas ciclo estral.La (MC) es un roedor autóctono Sudamérica, muy utilizado industria peletera.Se sacrificaron 20 hembras, peso promedio 4996,2 g recogiéndose muestras vaginales para realizar colpocitología determinar el momento estral, 11 se faenaron invierno cuales 7 estaban anestro, 1 proestro 3 diestro 9 verano,...
La reserva de bovinos Criollos del Uruguay (BCU) cuenta con aproximadamente 600 individuos. Estos animales han demostrado una elevada rusticidad y capacidad adaptación a medios poco favorables. En este trabajo se evaluó el crecimiento la producción carne 30 novillos en comparación 10 Hereford. Todos los recibieron mismo manejo sanitario alimentación (pastoreo campo natural, sin suplementación), desde 6-8 meses edad. A 43 seleccionó para faena muestra 6 evolución peso corporal fue similar,...
This study investigates whether breed or gender affect serum hormone and metabolite concentrations used to evaluate thyroid function in the Bulldog breed.Sixty-seven healthy adult English Bulldogs (n = 20), French 17), German Shepherds 15) mongrels of both sexes were selected.Determination total thyroxine (TT4), free (FT4), stimulating (TSH) was performed via a competitive enzymatic chemiluminescent solid-phase immunoassay.Cholesterol triglyceride analyzed by spectrophotometry.Serum TT4,...
En Conservacion el impacto potencial mas grande es la proteccion del ecosistema entero (la in situ), seguido de comunidades, especie y poblaciones (Soule, 1991). Finalmente, conservacion materiales biologicos por criopreservacion otra estrategia como bancos recurso geneticos que pueden proporcionar gametos, embriones, tejidos cultivos celulas fuentes informacion genetica. La preservacion viables vitro una tecnologia esencial para biologia (Tovar et al., 2008). El objetivo este trabajo fue...
The objective of this experiment was to compare the effectiveness two bulls and different semen treatments on rates in-vitro fertilization matured bovine oocytes, cleavage development embryos stage morula blastocyst by using a 2 × factorial design. Oocytes (n=946) aspirated from follicles 2-6 mm in diameter were incubated for 20-22 h TCM-199 supplemented with 5% calf serum, then inseminated frozen-thawed single ejaculates Holstein proven fertility. For conventional washing method (C), washed...
Se evaluó la calidad y capacidad fecundante in vitro(FIV) de semen un banco bovinos Criollo Uruguayo. Semen 8 toros, diluido en Triladyl® (T) Andromed® (A) (con/sin yema huevo), se por CASA: concentración, motilidad, cinética, morfología test hiposmótico. Alas 2 horas repitió motilidad ycinética. aplicó el test T para tiempo diluyentes percentiles categorizar los 16 grupos. Cuatrocientos cuatro complejos ovocito células del cúmulo (COC) A, obtenidos frigorífico, fueron madurados TCMcon 5 %...