Supplementing growing cattle grazing native subtropical grasslands during winter improves the low, even negative, average daily weight gain (ADG) typical of extensive animal production systems in Uruguay. Nonetheless, to render the practice profitable, it is crucial to control supplement feed efficiency (SFE), that is, the difference in ADG between supplemented and control animals (ADGchng) per unit of supplement dry matter (DM) intake. Little has been studied specifically on how SFE varies in these systems.
View Article and Find Full Text PDFSci Rep
August 2021
Andropogon lateralis is a tall and highly plastic tussock-forming grass native from southern South America. It is a frequent component of Campos and Subtropical highland grasslands that often becomes dominant under lax grazing regimes. The aim of this work was to analyze the response of species diversity and forage production of a natural grassland dominated by A.
View Article and Find Full Text PDFWe investigated 2 outbreaks of osteomalacia as a result of phosphorus (P) deficiency in herds of lactating beef cows grazing subtropical native pastures in Uruguay. Cows exhibited pica, difficulty to stand and walk, rib fractures, and body weight loss even with adequate forage availability. Osteopenia and severe osteomalacia were observed on gross and histologic examination.
View Article and Find Full Text PDFA prospective randomized study on 100 patients was conducted to determine the effect of the rectal digital examination on prostate specific antigen (PSA) serum concentration. The control group consisted of 50 patient, all with two PSA determinations with no urological manipulation between them. The study group had 50 patient, who underwent digital examination 24 hours before the second PSA determination.
View Article and Find Full Text PDF