Maria Isabel Mello Martins
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View article: Comparative transcriptome analysis reveals a serotype-specific immune response in Nile tilapia (Oreochromis niloticus) infected with Streptococcus agalactiae
Comparative transcriptome analysis reveals a serotype-specific immune response in Nile tilapia (Oreochromis niloticus) infected with Streptococcus agalactiae Open
Streptococcus agalactiae is a major causative agent of streptococcosis in Nile tilapia ( Oreochromis niloticus ) and understanding its etiology is important to ensure the sustainable development of global tilapia farming. Our research grou…
View article: Is the proAKAP4 a suitable biomarker of X-sorted sperm quality from Nelore and Gir bulls?
Is the proAKAP4 a suitable biomarker of X-sorted sperm quality from Nelore and Gir bulls? Open
ProAKAP4 is a protein precursor of AKAP4 present in the principal piece of the flagellum, associated with sperm motility. It has been described in several species, but its concentration has never been measured in sex-sorted sperm. Thus, th…
View article: Disorder of Sexual Development in a French Bulldog (78, MALE XX)
Disorder of Sexual Development in a French Bulldog (78, MALE XX) Open
Background: Differentiation of the genital system occurs through a chronological sequence of events involving the determination of chromosomal, gonadal, and phenotypic sex. Disorders of sexual development (DSDs) include chromosomal sex abn…
View article: Comparison of seminal characteristics of Aberdeen Angus, Holstein and Nelore bulls before and after cryopreservation
Comparison of seminal characteristics of Aberdeen Angus, Holstein and Nelore bulls before and after cryopreservation Open
The aim of this study was to evaluate parameters indicative of sperm quality of fresh and post-thawed semen of Aberdeen Angus, Holstein and Nelore bulls. Thirty-nine bulls were used: Aberdeen Angus (n=13), Holstein (n=13) and Nelore (n=13)…
View article: Comparison between in vitro embryo production in Bos indicus and Bos taurus cows
Comparison between in vitro embryo production in Bos indicus and Bos taurus cows Open
The aim of this study was to evaluate the in vitro embryo production in Bos taurus and Bos indicus donors, evaluating from oocyte recovery to final embryo production. Data were collected during the months of January and February and August…
View article: Sperm filtration as an alternative technique for seminal plasma separation in boars
Sperm filtration as an alternative technique for seminal plasma separation in boars Open
The present study aimed to evaluate the filtration for separating seminal plasma of boars’ ejaculate by means of sperm viability and the occurrence of hyperactivation and lipid peroxidation in fresh semen and after cooling for up to 96 hou…
View article: Sperm subpopulations influence the pregnancy rates in cattle
Sperm subpopulations influence the pregnancy rates in cattle Open
This study aimed to study the characteristics and subpopulations of spermatozoa from bulls with low and high reproductive performance based on pregnancy rates. Based on historical records of pregnancy rate from four farms, 24 bulls were se…
View article: Relationship between viability of thawed semen and pregnancy rate of Nelore cows subjected to fixed-time artificial insemination
Relationship between viability of thawed semen and pregnancy rate of Nelore cows subjected to fixed-time artificial insemination Open
This research aimed to evaluate the relationship of membrane integrity analysis, mitochondrial cytochemical analysis, and sperm kinetics of bovine semen after thawing and the pregnancy rate in Nelore females submitted to fixed-time artific…
View article: Electrocardiography in Bitches with Mammary Tumors
Electrocardiography in Bitches with Mammary Tumors Open
Background: The incidence of cancer has increased due to greater longevity of the animals as a consequence of better control of other diseases, improvement of nutrition and good practices in preventive medicine. Malignant tumors can cause …
View article: Seminal plasma interference in the kinetics and viability of cryopreserved canine sperm
Seminal plasma interference in the kinetics and viability of cryopreserved canine sperm Open
Most researchers have frozen dog semen using methodologies described for other species. Consequently, these studies have shown that the thawed semen of dogs is of low quality, with conception rates lower than that of other species. Therefo…
View article: Influence of nutritional and ovarian parameters on pregnancy rates of Nelore cows artificially inseminated at fixed time
Influence of nutritional and ovarian parameters on pregnancy rates of Nelore cows artificially inseminated at fixed time Open
This experiment aimed to evaluate the effect of weight gain, body condition score and antral follicle count on the fertility of cows subjected to fixed-time artificial insemination. To this study, it was used 194 Nelore, pluriparous cows, …
View article: Effect of refrigeration at -1°C on spermatozoa quality of domestic cats
Effect of refrigeration at -1°C on spermatozoa quality of domestic cats Open
The objective of this study was to evaluate the sperm quality obtained of domestic cats by electroejaculation and recovery of the tail of the epididymis after cooling at -1°C and 4°C for 24 and 48 hours. Twenty-nine adult cats (2 to 6kg) w…
View article: Climatic adaptation of bovine subspecies monitored by seminal characteristics during winter months in tropical region
Climatic adaptation of bovine subspecies monitored by seminal characteristics during winter months in tropical region Open
de inverno em região tropical
View article: Influence of long-term thermal stress on the in vitro maturation on embryo development and Heat Shock Protein abundance in zebu cattle
Influence of long-term thermal stress on the in vitro maturation on embryo development and Heat Shock Protein abundance in zebu cattle Open
The objective of this study was to investigate the influence of long-term temperature stress during the in vitro maturation (IVM) of oocytes on the in vitro embryo production (IVP) and the abundance of HSP70 and HSP90 in zebu cattle. Viabl…
View article: Sertolioma in a Canadian Husky: Relationship between Tumor, Hormones, Neurons and Skin
Sertolioma in a Canadian Husky: Relationship between Tumor, Hormones, Neurons and Skin Open
Background: Sertolioma is a slow-growing, non-invasive, firm and nodular tumor, malignant in 10% to 22% of cases and with low metastatic potential. Old age and cryptorchidism increase up to 26 times its chances of development and associate…
View article: Use of infrared thermography to evaluate the inflammatory reaction in cat testis after intratesticular injection of 0.9% NaCl or 20% CaCl2 with 1% lidocaine
Use of infrared thermography to evaluate the inflammatory reaction in cat testis after intratesticular injection of 0.9% NaCl or 20% CaCl2 with 1% lidocaine Open
Due to the doubts and questions about the inflammatory reaction caused by chemical castration, this study aimed to use infrared thermography to detect, evaluate and monitor the inflammatory reaction caused by the intratesticular injection …
View article: Protein-to-creatinine urinary in the early diagnosis of renal injury in canine pyometra
Protein-to-creatinine urinary in the early diagnosis of renal injury in canine pyometra Open
Kidney disease that affects bitches with pyometra may lead patients to develop chronic renal failure even after pyometra treatment. Therefore, several studies have sought to clarify the gaps in the understanding of the pathogenesis of rena…
View article: Use of infrared thermography to evaluate the inflammatory reaction in cat testis after intratesticular injection of 0.9% NaCl or 20% CaCl2 with 1% lidocaine
Use of infrared thermography to evaluate the inflammatory reaction in cat testis after intratesticular injection of 0.9% NaCl or 20% CaCl2 with 1% lidocaine Open
Due to the doubts and questions about the inflammatory reaction caused by chemical castration, this study aimed to use infrared thermography to detect, evaluate and monitor the inflammatory reaction caused by the intratesticular injection …
View article: Determination of cat sperm concentration using the CASA system
Determination of cat sperm concentration using the CASA system Open
This study aimed to standardize the CASA system for sperm concentration of cat epididymal samples, using a Neubauer chamber as the gold standard.Epididymal spermatozoa were collected from 44 adult cats.The sperm concentration was evaluated…
View article: Hypoglycemia Associated with Ketosis in Bitches in the Final Phase of Gestation
Hypoglycemia Associated with Ketosis in Bitches in the Final Phase of Gestation Open
Background: Pregnancy toxemia is a metabolic disorder characterized by hypoglycemia and ketonemia, resulted from the inability of the animal to maintain an adequate energetic balance associated with increased corporal fat mobilization to s…
View article: PYOMETRA IN BITCHES: RELATIONSHIP BETWEEN CLINICAL PROGNOSIS AND LABORATORY DIAGNOSIS
PYOMETRA IN BITCHES: RELATIONSHIP BETWEEN CLINICAL PROGNOSIS AND LABORATORY DIAGNOSIS Open
Pyometra is a disease resulting from bacterial interaction with cystic endometrial hyperplasia. The aim of this study was to identify bacteria under aerobic and anaerobic conditions of intrauterine secretion of bitches with pyometra, Syste…
View article: Effects of chemical castration using 20% CaCl 2 with 0.5% DMSO in tomcats: Evaluation of inflammatory reaction by infrared thermography and effectiveness of treatment
Effects of chemical castration using 20% CaCl 2 with 0.5% DMSO in tomcats: Evaluation of inflammatory reaction by infrared thermography and effectiveness of treatment Open
This study used infrared thermography to monitor the immediate inflammatory reaction to an intratesticular injection of 20% (calcium chloride) CaCl2 with 0.5% dimethyl sulfoxide (DMSO) for chemical castration and to provide evidence of the…
View article: The importance of Gram positive bacteria as the cause of canine pyometra
The importance of Gram positive bacteria as the cause of canine pyometra Open
E. coli is the main bacteria isolated from infected uterus and bacterial endotoxin can lead to fatal endotoxic shock. Systemic inflammatory response syndrome (SIRS) precedes the endotoxic shock. Thus, early recognition of SIRS is important…
View article: Evaluation of physiological parameters of dogs submitted to uterine lymphatic mapping using patent blue V dye for anaphylaxis detection
Evaluation of physiological parameters of dogs submitted to uterine lymphatic mapping using patent blue V dye for anaphylaxis detection Open
Lymphatic mapping has been performed in humans and dogs. Although several cases of anaphylaxis have been reported in humans, there are no such reports in dogs. The objective of this study was to identify the occurrence of adverse reactions…
View article: Selection of spermatozoa by magnetic activation in domestic felines
Selection of spermatozoa by magnetic activation in domestic felines Open
Background: This study aimed to select high-quality spermatozoa by fresh domestic feline semen using sperm separation by magnetic activation (MASS), compared to density gradient centrifugation (DGC), and to evaluate cell quality after sele…