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Quick freezing of mouse embryos by direct plunge into liquid nitrogen vapor: Effects of sugars.
1985
Takahashi Y. | Kanagawa H.
Effects of withholding feed on thyrotropin-releasing hormone stimulation test results and effects of combined testing on oral sugar test and thyrotropin-releasing hormone stimulation test results in horses
2016
Restifo, Melissa M. | Frank, Nicholas | Hermida, Pilar | Sanchez-Londoño, Alfredo
OBJECTIVE To assess effects of withholding feed on thyrotropin-releasing hormone (TRH) stimulation test results used in diagnosis of pituitary pars intermedia dysfunction in horses and determine effects of combined testing on results of the TRH stimulation test and the oral sugar test (OST) used in diagnosis of equine metabolic syndrome. ANIMALS 30 adult horses. PROCEDURES All horses underwent TRH stimulation tests under fed and nonfed conditions, an OST alone, and an OST combined with TRH stimulation testing. For TRH stimulation tests, plasma ACTH concentrations were measured before (baseline) and 10 minutes after (poststimulation) IV TRH administration. For the OST, plasma glucose and insulin concentrations were measured before (baseline) and 60 and 90 minutes after oral corn syrup administration. For combined testing, the TRH stimulation test was initiated immediately after 60-minute posttreatment sample collection for the OST. Results were compared among methods by Wilcoxon matched-pairs, signed rank tests, paired t tests, and Bland-Altman analysis. RESULTS Feeding conditions did not affect median ACTH concentrations when TRH stimulation tests were performed alone. Median baseline ACTH concentration did not differ between TRH stimulation tests performed alone (under fed or nonfed conditions) and those combined with OSTs. Median poststimulation ACTH concentration was significantly lower for combined tests than for solitary TRH stimulation tests. Mean 60-minute plasma glucose concentration was significantly lower for solitary OSTs than for combined tests, but this difference could not be attributed to TRH administration. CONCLUSIONS AND CLINICAL RELEVANCE Combined testing in the manner described impacted ACTH concentrations during TRH stimulation tests and is not recommended at this time.
Показать больше [+] Меньше [-]Biochemical properties and cultural characteristics of Escherichia coli isolated from chickens
1990
Woo, Y.K. | Kim, K.S. (Rural Development Administration, Anyang (Korea Republic). Veterinary Research Institute) | Kim, B.H. (Kyungpook National University, Taegu (Korea Republic). College of Veterinary Medicine)
Biochemical properties and antimicrobial drug susceptibility of Erysipelothrix rhusiopathiae isolated from the cases of acute septicemic swine erysipelas
1990
Baek, Y.S. | Cho, G.J. | Kim, B.H. (Kyungpook National University, Taegu (Korea Republic). College of Veterinary Medicine)
