Flavia Caroline Destro

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The objective was to evaluate ovarian activity reversibility in domestic queens after short-term contraceptive treatment with deslorelin acetate. Ten mature queens were used. In all queens, the estrous cycle was evaluated every 72 h by vaginal cytology (VC) and behavior assessments. When queens had VC characteristic of interestrus or diestrus, one(More)
Parrots kept in zoos and private households often develop psychological and behavioural disorders. Despite knowing that such disorders have a multifactorial aetiology and that chronic stress is involved, little is known about their development mainly due to a poor understanding of the parrots' physiology and the lack of validated methods to measure stress(More)
This study characterizes the physiological and morphological changes related to partial luteolysis in bovine corpus luteum (CL) after challenges with sub-doses of cloprostenol sodium on Day 6 (D6) of the estrous cycle. Cows (n = 12/treatment) were treated as follows: Control (2 mL, saline, i.m.); 2XPGF (two treatments i.m. 500 μg of cloprostenol sodium 2 h(More)
The present study aimed to evaluate the effect of propolis use on hematological and serum biochemical parameters in Blue-fronted Amazons (Amazona aestiva). For this, 12 adult birds were distributed randomly into individual cages, divided into treatments with different propolis levels (A = 0.0%; B = 0.5%; and C = 1.0%), in 3 distinct phases (I, II, and III),(More)
The corpus luteum is a temporary organ that is responsible for progesterone (P4) secretion and is essential for the establishment and maintenance of pregnancy in cattle. Concanavalin A (CONA) is a lectin that was originally extracted from the Jack bean (Canavalia ensiformis) and that interacts with several kinds of cells, including immune cells and luteal(More)
The aim of this study was to evaluate the effects of concanavalin A (CONA) on the progesterone (P4) production by bovine steroidogenic luteal cells (LCs) in vitro. Luteal cells were collected during the mid-luteal stage (at 10-12 days following ovulation) and processed in the laboratory. Luteal cells were grown for 7 days in a humid atmosphere with 5% CO2 ,(More)
There are several intrafollicular agents that have the ability to interfere with the metabolism and development of the oocyte, among these we highlight the exosomes (EXO). Thus, the aim of this study was to evaluate the capacity of EXO extracted from the follicular fluid of cows kept under thermoneutral or heat stress conditions to modulate oocyte(More)
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