Diluente Tris suplementado com óleo de Mauritia flexuoxa sobre a qualidade do sêmen caprino após a criopreservação / Tris diluent supplemented with Mauritia flexuoxa oil on the quality of goat semen after cryopreservation

Objetivou-se verificar os efeitos, nos parâmetros espermáticos, na integridade mitocondrial, acrossomal e de membrana em células espermáticas, desencadeados pelo uso do Tris (Tris hidroximetil aminometano) suplementado com óleo de Mauritia flexuoxacomo diluente para criopreservação de sêmen caprino. Quatro caprinos clinicamente saudáveis foram utilizados. Os animais eram alimentados diariamente com volumoso (Pennisetum purpureum, Schum.), concentrado (ração peletizada com teor de 20% proteína, 300 g/animal/dia) e sal mineral específico para Caprinos (Caprinofós®), à vontade. Dois ensaios foram realizados: I ­ Teste de toxicidade; II ­ Criopreservação do sêmen com concentrações ideais. No teste de toxicidade as concentrações avaliadas foram: 5%, 10%, 15% e 20% de diluente a base de óleo de Mauritia flexuoxa. Após o teste de toxicidade, foi escolhido a concentraçãoque apresentou o melhor resultado (5%). Logo após, foram realizadas mais 32 coletas, que foram diluídas em Tris-gema-glicerol (grupo controle) ou diluente contendo óleo vegetal (Mauritia flexuoxa). As amostras foram criopreservadas com auxílio do aparelho Tk3000®. Após o período mínimo de uma semana as palhetas foram descongeladas em banho-maria a 37 °C por 30 segundos, acondicionadas em microtubos de centrifugação e homogeneizadas para a análise imediata de motilidade, vigor espermático e morfologia. Em seguida, por meio de sondas fluorescentes foram avaliadas a integridade de acrossomo, membrana plasmática (Diacetato de Carboxifluresceína e Iodeto de Propídeo) e função mitocondrial sob microscopia de epifluorescência. Quanto a motilidade e vigor, integridade mitocondrial e acrossomal, o grupo buriti foi inferior ao grupo controle. O Tris suplementado com óleo de Mauritia flexuoxa na concentração de 5% não influenciou significativamente a qualidade espermática, porém, observou-se morfologia e integridade de membrana favoráveis. Dessa forma, sendo uma alternativa para substituição de diluentes a base de produtos de origem animal.

The objective was to verify the effects, sperm parameters, mitochondrial, acrosomal and membrane integrity in sperm cells, triggered by the use of Tris (Tris hydroxymethyl aminomethane) supplemented with Mauritia flexuoxa oil as a diluent for cryopreservation of goat semen. Four goats clinically healthy were used. The animals were fed daily with bulky (Pennisetum purpureum, Schum.), concentrate (pelleted feed with 20% protein content, 300 g / animal / day) and mineral salt Specific for Goats (Caprinofós®), ad libitum. Two tests were carried out: I - Toxicity test; II - Semen cryopreservation with ideal concentrations. In the toxicity test as selected were: 5%, 10%, 15% and 20% of Mauritia flexuoxa oil-based diluent. After the toxicity test, the concentration that showed the best result (5%) was chosen. Soon after, a further 32 samples were obtained, which were diluted in Tris-glycerol (control group) or diluent containing vegetable oil (Mauritia flexuoxa). The samples were cryopreserved using the Tk3000® machine. After a minimum of one week, the samples were thawed in a 37 ° C water bath for 30 seconds, packed in centrifugation microtubes and homogenized for immediate analysis of motility, sperm vigor and morphology. Then, by means of fluorescent probes, the integrity of the acrosome, plasma membrane (Carboxyflurescein diacetate and Propidium Iodide) and mitochondrial function under epifluorescence microscopy were evaluated. As for motility and vigor, mitochondrial and acrosomal integrity, the buriti group was inferior to the control group. Tris supplemented with Mauritia flexuoxa oil at a concentration of 5% did not significantly influence sperm quality, however, favorable motility, morphology and membrane integrity were observed. Thus, being an alternative to replace diluents based on products of animal origin.

Diluente Tris suplementado com óleo de Mauritia flexuoxa sobre a qualidade do sêmen caprino após a criopreservação / Tris diluent supplemented with Mauritia flexuoxa oil on the quality of goat semen after cryopreservation

Objetivou-se verificar os efeitos, nos parâmetros espermáticos, na integridade mitocondrial, acrossomal e de membrana em células espermáticas, desencadeados pelo uso do Tris (Tris hidroximetil aminometano) suplementado com óleo de Mauritia flexuoxa como diluente para criopreservação de sêmen caprino. Quatro caprinos clinicamente saudáveis foram utilizados. Os animais eram alimentados diariamente com volumoso (Pennisetum purpureum, Schum.), concentrado (ração peletizada com teor de 20% proteína, 300 g/animal/dia) e sal mineral específico para Caprinos (Caprinofós®), à vontade. Dois ensaios foram realizados: I Teste de toxicidade; II Criopreservação do sêmen com concentrações ideais. No teste de toxicidade as concentrações avaliadas foram: 5%, 10%, 15% e 20% de diluente a base de óleo de Mauritia flexuoxa. Após o teste de toxicidade, foi escolhido a concentração que apresentou o melhor resultado (5%). Logo após, foram realizadas mais 32 coletas, que foram diluídas em Tris-gema-glicerol (grupo controle) ou diluente contendo óleo vegetal (Mauritia flexuoxa). As amostras foram criopreservadas com auxílio do aparelho Tk3000®. Após o período mínimo de uma semana as palhetas foram descongeladas em banho-maria a 37 °C por 30 segundos, acondicionadas em microtubos de centrifugação e homogeneizadas para a análise imediata de motilidade, vigor espermático e morfologia. Em seguida, por meio de sondas fluorescentes foram avaliadas a integridade de acrossomo, membrana plasmática (Diacetato de Carboxifluresceína e Iodeto de Propídeo) e função mitocondrial sob microscopia de epifluorescência. Quanto a motilidade e vigor, integridade mitocondrial e acrossomal, o grupo buriti foi inferior ao grupo controle. O Tris suplementado com óleo de Mauritia flexuoxa na concentração de 5% não influenciou significativamente a qualidade espermática, porém, observouse morfologia e integridade de membrana favoráveis. Dessa forma, sendo uma alternativa para substituição de diluentes a base de produtos de origem animal.(AU)

The objective was to verify the effects, sperm parameters, mitochondrial, acrosomal and membrane integrity in sperm cells, triggered by the use of Tris (Tris hydroxymethyl aminomethane) supplemented with Mauritia flexuoxa oil as a diluent for cryopreservation of goat semen. Four goats clinically healthy were used. The animals were fed daily with bulky (Pennisetum purpureum, Schum.), concentrate (pelleted feed with 20% protein content, 300 g / animal / day) and mineral salt Specific for Goats (Caprinofós®), ad libitum. Two tests were carried out: I - Toxicity test; II - Semen cryopreservation with ideal concentrations. In the toxicity test as selected were: 5%, 10%, 15% and 20% of Mauritia flexuoxa oil-based diluent. After the toxicity test, the concentration that showed the best result (5%) was chosen. Soon after, a further 32 samples were obtained, which were diluted in Tris-glycerol (control group) or diluent containing vegetable oil (Mauritia flexuoxa). The samples were cryopreserved using the Tk3000® machine. After a minimum of one week, the samples were thawed in a 37 ° C water bath for 30 seconds, packed in centrifugation microtubes and homogenized for immediate analysis of motility, sperm vigor and morphology. Then, by means of fluorescent probes, the integrity of the acrosome, plasma membrane (Carboxyflurescein diacetate and Propidium Iodide) and mitochondrial function under epifluorescence microscopy were evaluated. As for motility and vigor, mitochondrial and acrosomal integrity, the buriti group was inferior to the control group. Tris supplemented with Mauritia flexuoxa oil at a concentration of 5% did not significantly influence sperm quality, however, favorable motility, morphology and membrane integrity were observed. Thus, being an alternative to replace diluents based on products of animal origin.(AU)

Diluente Tris suplementado com óleo de Mauritia flexuoxa sobre a qualidade do sêmen caprino após a criopreservação / Tris diluent supplemented with Mauritia flexuoxa oil on the quality of goat semen after cryopreservation

Objetivou-se verificar os efeitos, nos parâmetros espermáticos, na integridade mitocondrial, acrossomal e de membrana em células espermáticas, desencadeados pelo uso do Tris (Tris hidroximetil aminometano) suplementado com óleo de Mauritia flexuoxa como diluente para criopreservação de sêmen caprino. Quatro caprinos clinicamente saudáveis foram utilizados. Os animais eram alimentados diariamente com volumoso (Pennisetum purpureum, Schum.), concentrado (ração peletizada com teor de 20% proteína, 300 g/animal/dia) e sal mineral específico para Caprinos (Caprinofós®), à vontade. Dois ensaios foram realizados: I – Teste de toxicidade; II – Criopreservação do sêmen com concentrações ideais. No teste de toxicidade as concentrações avaliadas foram: 5%, 10%, 15% e 20% de diluente a base de óleo de Mauritia flexuoxa. Após o teste de toxicidade, foi escolhido a concentração que apresentou o melhor resultado (5%). Logo após, foram realizadas mais 32 coletas, que foram diluídas em Tris-gema-glicerol (grupo controle) ou diluente contendo óleo vegetal (Mauritia flexuoxa). As amostras foram criopreservadas com auxílio do aparelho Tk3000®. Após o período mínimo de uma semana as palhetas foram descongeladas em banho-maria a 37 °C por 30 segundos, acondicionadas em microtubos de centrifugação e homogeneizadas para a análise imediata de motilidade, vigor espermático e morfologia. Em seguida, por meio de sondas fluorescentes foram avaliadas a integridade de acrossomo, membrana plasmática (Diacetato de Carboxifluresceína e Iodeto de Propídeo) e função mitocondrial sob microscopia de epifluorescência. Quanto a motilidade e vigor, integridade mitocondrial e acrossomal, o grupo buriti foi inferior ao grupo controle. O Tris suplementado com óleo de Mauritia flexuoxa na concentração de 5% não influenciou significativamente a qualidade espermática, porém, observouse morfologia e integridade de membrana favoráveis. Dessa forma, sendo uma alternativa para substituição de diluentes a base de produtos de origem animal.

The objective was to verify the effects, sperm parameters, mitochondrial, acrosomal and membrane integrity in sperm cells, triggered by the use of Tris (Tris hydroxymethyl aminomethane) supplemented with Mauritia flexuoxa oil as a diluent for cryopreservation of goat semen. Four goats clinically healthy were used. The animals were fed daily with bulky (Pennisetum purpureum, Schum.), concentrate (pelleted feed with 20% protein content, 300 g / animal / day) and mineral salt Specific for Goats (Caprinofós®), ad libitum. Two tests were carried out: I - Toxicity test; II - Semen cryopreservation with ideal concentrations. In the toxicity test as selected were: 5%, 10%, 15% and 20% of Mauritia flexuoxa oil-based diluent. After the toxicity test, the concentration that showed the best result (5%) was chosen. Soon after, a further 32 samples were obtained, which were diluted in Tris-glycerol (control group) or diluent containing vegetable oil (Mauritia flexuoxa). The samples were cryopreserved using the Tk3000® machine. After a minimum of one week, the samples were thawed in a 37 ° C water bath for 30 seconds, packed in centrifugation microtubes and homogenized for immediate analysis of motility, sperm vigor and morphology. Then, by means of fluorescent probes, the integrity of the acrosome, plasma membrane (Carboxyflurescein diacetate and Propidium Iodide) and mitochondrial function under epifluorescence microscopy were evaluated. As for motility and vigor, mitochondrial and acrosomal integrity, the buriti group was inferior to the control group. Tris supplemented with Mauritia flexuoxa oil at a concentration of 5% did not significantly influence sperm quality, however, favorable motility, morphology and membrane integrity were observed. Thus, being an alternative to replace diluents based on products of animal origin.

Criopreservação do sêmen caprino: efeito do tempo de equilíbrio sobre a qualidade do sêmen após a descongelação / Cryopreservation of goat semen: Balancing time effect on semen quality after thawing

Which was used sixteen samples of adult goats semen collected using an artificial vagina weresubjected to cryopreservation in order to verify the influence of equilibration time at a temperature of 5 °C onthe freezability of goat semen. Were distributed in the different protocols equilibrium time: 1h equilibration time(G1); 2 h equilibration time (G2); 3h equilibration time (G3).After this process the samples were placed inliquid nitrogen vapor , and maintained for 20 min . The end was made the freezing process in cryogenics tank .Thawing was performed in a water bath at 37°C for 30 seconds. The averages for motility were 19.375 %,16.875 % and 16.250 % respectively for G1, G2 and G3. This study demonstrated effect of equilibration period ,on the viability of goat semen after the process of freeze-thaw, where the group of smaller G1 exposure time wasless deleterious effects.(AU)

Estudo in vitro do efeito miocontrátil da Simarouba versicolor em útero isolado de ratas wistar / Study in vitro effect of miocontractile Simarouba versicolor in womb isolated wistar rats

Simarouba versicolor belongs to Simaroubaceae family. It is known that this and other species of thegenus have several activities including the antiestrogen and male infertility. In order to verify the ethanol extractof Simarouba versicolor (Sv-EtOH) in isolated uterus of Wistar rats, studies have been conducted with Sv-EtOHon the tonic contractions induced by KCl or oxytocin, recorded by isometric transducers coupled to a system ofdigital acquisition, by characterizing that blocking the uterine contraction induced by oxytocin, it was found thatthere was no significant inhibition of these contractions in the presence of Sv EtOH at concentrations of 500,750, 1000 µg / mL. The Sv-EtOH (81, 243, 500, 750, 1000µg/mL) did not induce a significant relaxation ofcontractions induced by KCl showing an EMAX 49.26 ± 7.32 and did not induce significantly the inducedrelaxation of concentrations with oxytocin EMAX de 18,78±4,91%.(AU)

Influência do tempo de equilíbrio sobre a qualidade do sêmen caprino após a descongelação / Influence of balance time on quality of buck semen after thawing

The animals were divided into three groups G1, G2, G3. Semen collected was diluted in Tris-yolk baseand packaged in 0.25 ml straws, a dose of 100 x 106 sperm. Semen samples were distributed in differentequilibrium time protocols. The group 1 (1h), group 2 (2 h), group 3 (3 h). Mean values for motility were19.37%, 16.87% and 16.25% respectively for G1, G2 and G3. To analyze (TTR) which consisted of placing asemen , and incubated at 37°C for a period of 120 minutes. The force sperm motility and sperm were evaluatedby TTR in different time: 0, 60, 120, 180 minutes. The indices obtained from motility and sperm vigor wereevaluated by PROC GLM (SAS, 2001) and proceeded to the 5% Tukey test. This study demonstrated effect theequilibration period, on the viability of goat semen after the freeze-thaw process, in which the semen exposed toless cooling time has a higher sperm viability.(AU)

Taxa de recuperação de oócitos de ovinos provenientes de abatedouros locais da região metropolitana de Teresina, Piauí, Brasil / Recovery rate of sheep oocyte from local abattoirs in metropolitan region of Teresina, Piauí, Brazil

In order to evaluate the recovery rate of local abattoirs oocyte the metropolitan region of Teresina-PI.Ovaries were used 72 36 pubescent sheep without defined breed (SRD) .The collected ovaries were transportedto the laboratory in thermos physiological saline (0.9% NaCl) heated at 35 ° C plus 30 ug / ml sulphategentamicin in a maximum of two (2) hours, the follicular aspiration needle attached syringe was subsequentlyperformed, the aspirated pellet was deposited on heated Petri dishes previously in hot plate to 37 ° C for theidentification and classification of oocitárias structures. 52 were recovered oocyte cumulus cells and the ewerecovery rate was 1.4. Therefore the low recovery rate can be the result of the female body condition, foodsupply, breeding age and age of the animal.(AU)

Taxa de recuperação de oócitos caprinos oriundos de abatedouros localizados na microrregião homogênia de Teresina, Piauí, Brasil / Recovery rate goat oocytes from slaughterhouses located in the homogeneous micro-region of Teresina, Piauí, Brazil

The aim of this study was to evaluate the recovery rate of oocytes by OPU technique with needleattached syringe in goats from slaughterhouses located in the homogeneous micro-region of Teresina, Piauí. 68ovaries from 34 pubertal goats without defined breed (SRD) from local abattoirs were used. After slaughter, theovaries were immediately transported to the laboratory in thermos physiological saline (0.9% NaCl) heated at35 °C plus 30 ug/ml gentamicin sulfate. Soon after it was held aspiration of oocytes and the identification andclassification of structures was subsequently conducted. It was recovered a total of 42 COCs, the average ofoocytes recovered by females 1.23. The low recovery rate obtained in this study may be due to low bodycondition score in which the animals were at the time of the examination.(AU)

Análise histopatológica do epitélio uterino de ratas wistar após 30 dias de tratamento com extrato etanólico de Simarouba versicolor / Histopathology of the uterine epithelium of Wistar rats after 30 days of treatment with ethanol extract of Simarouba versicolor

Simarouba versicolor belongs to Simaroubaceae family, it has been used in folk medicine and hasextensive proven biological activity. However, histopalógicos studies in the reproductive organs are scarce. Thisstudy aimed to evaluate the effect of ethanol extract of S. versicolor (Sv-EtOH) at doses 10, 20, 40 mg / kg in theuterine epithelium after 30 days of treatment. After euthanasia, the uteri were removed, fixed in 10% bufferedformalin. Followed by dehydration with alcohol (70-100%), cleared in xylene, subjected to impregnation andinclusion in paraffin. Cut thickness of 5.0 µm and subsequently submitted to hematoxylin-eosin and examinedunder a microscope. The results showed eosinophilic inflammatory infiltrate of medium intensity reaching themuscle layer. The highest dose showed changes of the endometrium, epithelium with increased with 100%eosinophil infiltrate the lamina propria of moderately severe intensity and mucosal epithelial cell swelling.(AU)

Soroprevalência da leptospirose em ovinos em municípios da Microrregião do AltoMédio Gurguéia no Estado do Piauí / Soroprevalence of leptospirosis in sheep in municipalities of the Microregion of high-middle Gurguéa in the State of Piauí

Leptospirosis, considered a zoonosis of universal distribution, is responsible for a decrease in theproductive and reproductive indexes of the herds because they result in abortion, repetition of estrus, placentalretention and consequently economic losses. Considering the economic importance of sheep farming in the stateof Piauí and the microregion, the objective of this study was to determine the prevalence of anti-leptospiraantibodies in sheep from the Upper-Middle-Gurguéia micro-region in the state of Piauí. Blood samples werecollected from 100 sheep from 03 municipalities in the Upper-Middle Gurguéia micro-region. To investigateanti-leptospira antibodies was performed the Serum Microscopic Agglutination (SAM) technique. The presenceof anti-leptospira antibodies in sheep exploited in the Upper-Middle Gurguéia micro-region was verified.Therefore, preventive control measures to avoid introduction as well as combat measures for the control ofLeptospirosis in the sheep herd of the Upper-Middle Gurguéia microregion are necessary.(AU)

Qualidade do sêmen caprino diluído em tris contendo diferentes formulações do extrato bruto de mauritia flexuoxa / Sperm quality goat diluted in three different formulations containing extract of crude mauritia flexuoxa

The need for scientific development in goat became larger in order to subsidize farmers withbiotechnology to animal breeding. The advent of frozen semen increased by male progeny, possiblemanipulation and genetic material storage. It seeks to diluents free of animal substances, to ensure food safety inbiological processes. The objective of this research was seminal diluent develop using Mauritia flexuoxa extractas an additive. Obtaining the extract was from dehydrated raw materials, semen collection was performed withartificial vagina and in vitro spermatic evaluation through full force and motility. The extract prepared in TRISdiluent is included at different concentrations. Semen was diluted and evaluated the heat resistance at 37°C. Weevaluated the membrane integrity after 5, 10, 15, 30, 60 and 120 minutes of incubation at 37°C. It wasconcluded that significant differences were observed using Mauritia flexuosa extract.(AU)

Eficiência do diluente tris suplementado com óleo de mauritia flexuoxa sobre a qualidade do sêmen caprino após criopreservação / Efficiency Tris diluent supplemented with oil concentrations on the quality of goat semen after cryopreservation

The aim of this study was to investigate the effects of Tris use supplemented with Mauritia Flexuoxa oilas diluent for goat semen cryopreservation. four goats, clinically healthy were used. The animals were fed dailywith roughage, concentrate and mineral salt will. Initially, we conducted a toxicity test total of 32 collections.After the toxicity test, the concentration was chosen that showed the best result. Soon after, there were 32 morecollections, which were diluted in Tris-egg yolk-glycerol (control group) or GC diluent containing vegetable oil(Mauritia flexuoxa) GB. Samples were cryopreserved with the aid of Tk3000® device. Subsequently sampleswere thawed and analyzed for motility and sperm morphology force. It was observed obtaining post thawmotility in the group plus oil burity which shows a possible alternative to replacement products derived fromanimal origin.(AU)

Criopreservação do sêmen caprino: efeito do tempo de equilíbrio sobre a qualidade do sêmen após a descongelação / Cryopreservation of goat semen: Balancing time effect on semen quality after thawing

Which was used sixteen samples of adult goats semen collected using an artificial vagina weresubjected to cryopreservation in order to verify the influence of equilibration time at a temperature of 5 °C onthe freezability of goat semen. Were distributed in the different protocols equilibrium time: 1h equilibration time(G1); 2 h equilibration time (G2); 3h equilibration time (G3).After this process the samples were placed inliquid nitrogen vapor , and maintained for 20 min . The end was made the freezing process in cryogenics tank .Thawing was performed in a water bath at 37°C for 30 seconds. The averages for motility were 19.375 %,16.875 % and 16.250 % respectively for G1, G2 and G3. This study demonstrated effect of equilibration period ,on the viability of goat semen after the process of freeze-thaw, where the group of smaller G1 exposure time wasless deleterious effects.

Eficiência do diluente tris suplementado com óleo de mauritia flexuoxa sobre a qualidade do sêmen caprino após criopreservação / Efficiency Tris diluent supplemented with oil concentrations on the quality of goat semen after cryopreservation

The aim of this study was to investigate the effects of Tris use supplemented with Mauritia Flexuoxa oilas diluent for goat semen cryopreservation. four goats, clinically healthy were used. The animals were fed dailywith roughage, concentrate and mineral salt will. Initially, we conducted a toxicity test total of 32 collections.After the toxicity test, the concentration was chosen that showed the best result. Soon after, there were 32 morecollections, which were diluted in Tris-egg yolk-glycerol (control group) or GC diluent containing vegetable oil(Mauritia flexuoxa) GB. Samples were cryopreserved with the aid of Tk3000® device. Subsequently sampleswere thawed and analyzed for motility and sperm morphology force. It was observed obtaining post thawmotility in the group plus oil burity which shows a possible alternative to replacement products derived fromanimal origin.

Influência do tempo de equilíbrio sobre a qualidade do sêmen caprino após a descongelação / Influence of balance time on quality of buck semen after thawing

The animals were divided into three groups G1, G2, G3. Semen collected was diluted in Tris-yolk baseand packaged in 0.25 ml straws, a dose of 100 x 106 sperm. Semen samples were distributed in differentequilibrium time protocols. The group 1 (1h), group 2 (2 h), group 3 (3 h). Mean values for motility were19.37%, 16.87% and 16.25% respectively for G1, G2 and G3. To analyze (TTR) which consisted of placing asemen , and incubated at 37°C for a period of 120 minutes. The force sperm motility and sperm were evaluatedby TTR in different time: 0, 60, 120, 180 minutes. The indices obtained from motility and sperm vigor wereevaluated by PROC GLM (SAS, 2001) and proceeded to the 5% Tukey test. This study demonstrated effect theequilibration period, on the viability of goat semen after the freeze-thaw process, in which the semen exposed toless cooling time has a higher sperm viability.

Qualidade do sêmen caprino diluído em tris contendo diferentes formulações do extrato bruto de mauritia flexuoxa / Sperm quality goat diluted in three different formulations containing extract of crude mauritia flexuoxa

The need for scientific development in goat became larger in order to subsidize farmers withbiotechnology to animal breeding. The advent of frozen semen increased by male progeny, possiblemanipulation and genetic material storage. It seeks to diluents free of animal substances, to ensure food safety inbiological processes. The objective of this research was seminal diluent develop using Mauritia flexuoxa extractas an additive. Obtaining the extract was from dehydrated raw materials, semen collection was performed withartificial vagina and in vitro spermatic evaluation through full force and motility. The extract prepared in TRISdiluent is included at different concentrations. Semen was diluted and evaluated the heat resistance at 37°C. Weevaluated the membrane integrity after 5, 10, 15, 30, 60 and 120 minutes of incubation at 37°C. It wasconcluded that significant differences were observed using Mauritia flexuosa extract.

Soroprevalência da leptospirose em ovinos em municípios da Microrregião do AltoMédio Gurguéia no Estado do Piauí / Soroprevalence of leptospirosis in sheep in municipalities of the Microregion of high-middle Gurguéa in the State of Piauí

Leptospirosis, considered a zoonosis of universal distribution, is responsible for a decrease in theproductive and reproductive indexes of the herds because they result in abortion, repetition of estrus, placentalretention and consequently economic losses. Considering the economic importance of sheep farming in the stateof Piauí and the microregion, the objective of this study was to determine the prevalence of anti-leptospiraantibodies in sheep from the Upper-Middle-Gurguéia micro-region in the state of Piauí. Blood samples werecollected from 100 sheep from 03 municipalities in the Upper-Middle Gurguéia micro-region. To investigateanti-leptospira antibodies was performed the Serum Microscopic Agglutination (SAM) technique. The presenceof anti-leptospira antibodies in sheep exploited in the Upper-Middle Gurguéia micro-region was verified.Therefore, preventive control measures to avoid introduction as well as combat measures for the control ofLeptospirosis in the sheep herd of the Upper-Middle Gurguéia microregion are necessary.

Taxa de recuperação de oócitos caprinos oriundos de abatedouros localizados na microrregião homogênia de Teresina, Piauí, Brasil / Recovery rate goat oocytes from slaughterhouses located in the homogeneous micro-region of Teresina, Piauí, Brazil

The aim of this study was to evaluate the recovery rate of oocytes by OPU technique with needleattached syringe in goats from slaughterhouses located in the homogeneous micro-region of Teresina, Piauí. 68ovaries from 34 pubertal goats without defined breed (SRD) from local abattoirs were used. After slaughter, theovaries were immediately transported to the laboratory in thermos physiological saline (0.9% NaCl) heated at35 °C plus 30 ug/ml gentamicin sulfate. Soon after it was held aspiration of oocytes and the identification andclassification of structures was subsequently conducted. It was recovered a total of 42 COCs, the average ofoocytes recovered by females 1.23. The low recovery rate obtained in this study may be due to low bodycondition score in which the animals were at the time of the examination.

Taxa de recuperação de oócitos de ovinos provenientes de abatedouros locais da região metropolitana de Teresina, Piauí, Brasil / Recovery rate of sheep oocyte from local abattoirs in metropolitan region of Teresina, Piauí, Brazil

In order to evaluate the recovery rate of local abattoirs oocyte the metropolitan region of Teresina-PI.Ovaries were used 72 36 pubescent sheep without defined breed (SRD) .The collected ovaries were transportedto the laboratory in thermos physiological saline (0.9% NaCl) heated at 35 ° C plus 30 ug / ml sulphategentamicin in a maximum of two (2) hours, the follicular aspiration needle attached syringe was subsequentlyperformed, the aspirated pellet was deposited on heated Petri dishes previously in hot plate to 37 ° C for theidentification and classification of oocitárias structures. 52 were recovered oocyte cumulus cells and the ewerecovery rate was 1.4. Therefore the low recovery rate can be the result of the female body condition, foodsupply, breeding age and age of the animal.

Análise histopatológica do epitélio uterino de ratas wistar após 30 dias de tratamento com extrato etanólico de Simarouba versicolor / Histopathology of the uterine epithelium of Wistar rats after 30 days of treatment with ethanol extract of Simarouba versicolor

Simarouba versicolor belongs to Simaroubaceae family, it has been used in folk medicine and hasextensive proven biological activity. However, histopalógicos studies in the reproductive organs are scarce. Thisstudy aimed to evaluate the effect of ethanol extract of S. versicolor (Sv-EtOH) at doses 10, 20, 40 mg / kg in theuterine epithelium after 30 days of treatment. After euthanasia, the uteri were removed, fixed in 10% bufferedformalin. Followed by dehydration with alcohol (70-100%), cleared in xylene, subjected to impregnation andinclusion in paraffin. Cut thickness of 5.0 µm and subsequently submitted to hematoxylin-eosin and examinedunder a microscope. The results showed eosinophilic inflammatory infiltrate of medium intensity reaching themuscle layer. The highest dose showed changes of the endometrium, epithelium with increased with 100%eosinophil infiltrate the lamina propria of moderately severe intensity and mucosal epithelial cell swelling.