ABSTRACT The aim of the present study was to analyze the histomorphology and histopathology of broiler chicken tracheas submitted to different levels of ammonia gas. The experiment was conducted during different seasons in 2019 in the city of Garanhuns, Brazil. Three sheds with rice hull bedding were used: Shed 1, new bedding; Shed 2, reused bedding; Shed 3, reused bedding with an increase in moisture. Twenty-eight birds were housed per shed for a 42-day production cycle. On days D0 (control group), D7, D21, D35 and D42, seven birds per shed were euthanized. Fragments of the trachea were collected and placed into plastic containers with 10% buffered formalin solution (pH 7) for 24 h, subsequently undergoing routine histological processing. The thickness of the tracheal mucosa was measured using digital images, considering ten equidistant points as being separated by 100 µm. Histopathological lesions were analyzed considering distribution and intensity. The birds in Shed 2 (reused bedding) had greater quantity and severity of histopathological lesions, but the differences did not reach statistical significance. Regarding histomorphometry, birds reared in the higher temperature period had thicker tracheal mucosa at the end of the production cycle (D35 and D42) compared to those raised in the cooler temperature period. In conclusion, the difference in bedding did not significantly alter the tracheal mucosa of the birds, whereas temperature exerted an influence on the thickness of the trachea at the end of the production cycle. gas 201 Garanhuns Brazil used 1 3 moisture Twentyeight Twenty eight 42day day 42 D control group, group , group) D7 D21 D3 D42 euthanized 10 pH 7 h processing images µm intensity significance histomorphometry (D3 conclusion 20 4 D2 D4 (D

ABSTRACT The objective of the present study was to analyze the serum levels of the tumor marker Ca15.3 in healthy bitches and those with mammary neoplasms, correlating results with tumor type, clinical staging, time until presentation, and presence of ulceration and vascularization. For the study, 30 bitches with mammary tumors and 30 healthy bitches (control group) were selected. Histopathology was performed for identification of tumor type, and blood was collected for measurement of serum concentration of the marker via the chemiluminescence method using a commercial kit. A higher frequency of malignant neoplasms was observed (76.7%), with a higher quantity of carcinoma in mixed tumor (26.7%). Regarding serum concentration of the marker Ca15.3, there was no difference in serum values when comparing the means from bitches with neoplasia and healthy bitches, nor when comparing the other characteristics. The majority of results for serum concentration of Ca15.3, whether in bitches with neoplasia or in healthy bitches, was zero. It is concluded that the measurement of the marker Ca15.3 using the chemiluminescence method and commercial kits for humans did not offer significant results that would make this method or this marker a useful tool for patient monitoring and evaluation of the prognosis of bitches with mammary neoplasms.

RESUMO Este trabalho teve o objetivo de avaliar a qualidade microbiológica do queijo de coalho comercializado no Município do Cabo de Santo Agostinho, Estado de Pernambuco, Brasil, verificando e quantificando micro-organismos patogênicos e indicadores das condições higiênico-sanitárias desse alimento. Foram coletadas 42 (quarenta e duas) amostras de queijo de coalho em 39 (trinta e nove) pontos comerciais distintos, entre janeiro e dezembro de 2008. As amostras foram analisadas pelo Laboratório Central de Pernambuco para determinação do padrão microbiológico do produto, tendo como referência a Resolução da Diretoria Colegiada (RDC) n° 12 da Agência Nacional de Vigilância Sanitária. Detectaram-se em 95,24% (40/42) das amostras discordâncias com os padrões estabelecidos pela RDC 12. Com relação a contaminação por coliformes termotolerantes e Staphylococcus coagulase positiva, 80,95% (34/42) e 76,19% (32/42), respectivamente, encontravam-se fora dos limites aceitáveis e 9,52% (4/42) foram positivas para Salmonella sp. Com os resultados obtidos no presente estudo conclui-se que o queijo de coalho comercializado no Município do Cabo de Santo Agostinho, Pernambuco, Brasil apresenta-se em desacordo com os padrões microbiológicos vigentes na legislação brasileira, sendo considerado impróprio para o consumo humano.

ABSTRACT This study aimed to evaluate the microbiologic quality of curd cheese sold in the district of Cabo de Santo Agostinho (PE), Brazil, by verifying and quantifying pathogenic microorganisms in the product as well as indicators of its hygienic and sanitary conditions. Forty-two samples of cheese collected in 39 different commercial areas were analyzed. The samples were analyzed by the Central Laboratory of Pernambuco, following the procedures established by the Resolution of the Chartered Board of Directors RDC N. 12. It was found that 95.24% (40/42) of the samples of curd cheese presented characteristics that did not meet the standards of RDC 12. As for the contamination of the food by thermotolerant coliforms and coagulase-positive Staphylococcus, 80.95% (34/42) and 76.19% (32/42), respectively, did not meet the acceptable standards and 9.52% (4/42) were positive for Salmonella sp. The results in this study suggest that the curd cheese sold in Cabo de Santo Agostinho, Pernambuco, Brazil, does not comply with the current microbiologic standards prescribed by the Brazilian legislation, which makes it improper for human consumption.

Estudou-se a viabilidade do autotransplante de tecido esplênico, um terço do baço, associado à esplenectomia parcial, e verificou-se a cinética evolutiva de sua regeneração, sob o aspecto macroscópico e histológico. Foram utilizados 28 ratos Wistar, adultos, machos, com média de peso de 300g, distribuídos em quatro grupos experimentais. Cada animal foi submetido à esplenectomia parcial, e um fragmento de baço foi transplantado para o omento maior, por períodos de 30, 60, 90 e 120 dias. Após cada período pré-estipulado, os tecidos esplênicos autotransplantados foram coletados e analisados histologicamente. Os resultados mostraram regeneração da cápsula esplênica, dos vasos sanguíneos e das polpas branca e vermelha. Aos 90 dias, a arquitetura microscópica apresentava-se semelhante à do baço normal.

The splenic tissue autograft viability (one third of the spleen) associated to parcial splenectomy was studied to verify the evolutive kinetic of its regeneration by macroscopic and histological aspects. Twenty-eight adult male Wistar rats, weighting 300g, were distributed in four experimental groups. Each animal was submitted to parcial splenectomy and one fragment of each spleen was autotransplanted to the greater omentum, for a period of 30, 60, 90, and 120 days. After each period, the autotransplanted splenic tissues were collected and histopathologically analyzed. The results showed regeneration of the splenic capsule, blood vessels, white pulp, and red pulp. After 90 days, the microscopic architecture was similar to the normal spleen.

Com o objetivo de modificar a escala de coma de Glasgow pediátrica para utilização na medicina veterinária, foram utilizados 30 cães adultos com alterações neurológicas passíveis de avaliação da consciência. A escala modificada para cães foi aplicada em três momentos com intervalos de 48 horas entre eles, resultando em 90 eventos diversos. A escala foi aplicada para avaliação da abertura ocular (AO), da melhor resposta associada à vocalização (MRV) e da melhor resposta motora (MRM). Com a análise fatorial para os indicadores AO, MRV e MRM, obtiveram-se valores iniciais de 2,482, 0,302 e 0,215, respectivamente. A variância foi de 82,7%, 10,1% e 7,2%, respectivamente, e cumulativa de 82,7%, 92,8% e 100%, respectivamente. A extração esperada do principal fator, AO, foi de 2,482 com variância de 82,7% e cumulativa de 82,7%. O resultado da avaliação da consciência dos cães foi normal em 10% dos animais, alteração leve em 20%, moderada em 45% e grave em 25%, com escores de Glasgow iguais a 15, entre 13 e 14, entre 9 e 12 e entre 8 e 3, respectivamente. A escala de coma de Glasgow pediátrica modificada para cães é ferramenta segura para avaliação da consciência de cães adultos.

The pediatric Glasgow coma scale was modified for use in veterinary medicine. Thirty adult dogs with neurological alterations susceptible to evaluation of the conscience were studied. The modified scale for dogs was applied at three moments with intervals of 48 hours, resulting in 90 events. The scale was applied for evaluation of the ocular opening (OO), the best answer associated to vocalization (BAV), and the best motor answer (BMA). With the factorial analysis for the indicators OO, BAV, and BMA the initial values of 2.482, 0.302, and 0.215, respectively, were obtained. The variance was of 82.7%, 10.1%, and 7.2%, respectively, and cumulative of 82.7%, 92.8%, and 100%, respectively. The expected extraction of the main factor, OO, was 2.482 with variance of 82.7% and cumulative of 82.7%. The evaluation result of the conscience was normal in 10% of the animals, light alteration in 20%, moderate in 45%, and severe in 25%, with scores of Glasgow equal to 15, from 13 to 14, nine to 12, and eight to three, respectively. The pediatric Glasgow coma scale modified for dogs was a safe tool for evaluation of the conscience of adult dogs.

Avaliaram-se as alterações morfológicas, morfométricas e ultraestruturais que ocorreram no baço devido à isquemia produzida pelo clampeamento total do pedículo hepático. Para tanto, foram utilizados 40 ratos machos, distribuídos em quatro grupos de 10 animais. O grupo-controle (C) não foi submetido à isquemia, e os grupos tratados (E1, E2e E3) foram submetidos ao clampeamento por 10, 20 e 30 minutos, respectivamente. Fragmentos do baço foram retirados e analisados histologicamente pela microscopia de luz (hematoxilina-eosina, ferrocianeto-férrico) e pela microscopia eletrônica de transmissão. Os resultados demonstraram que 10 minutos de clampeamento do pedículo hepático são suficientes para apresentar sinais de congestão esplênica e 20 e 30 minutos promovem intensa digestão de hemácias pelos macrófagos, com presença de grânulos de ferro (hemossiderina) no parênquima esplênico.

The macro and microscopic alterations that occurred in the spleen during an ischemia produced by the hepatic pedicle total clamping were studied. Forty male rats were distributed in four groups of 10 animals each. The control group (C) was not submitted to ischemia and the treated groups (E1, E2, and E3) were submitted to the clamping during 10, 20, and 30 minutes, respectively. Spleen fragments were collected and histologically analyzed by the light microscopy (eosin-hematoxilin and ferric ferrocyanide) and by the transmission electron microscopy. The results showed that 10 minutes of hepatic pedicle total clamping was enough produce signs of splenic congestion and 20 and 30 minutes promoted intense red bood cels digestion by the macrophages with the presence of iron granules (hemosiderin) in the splenic parenchyma.

Objetivos: estudar a ação do acetaminofeno administrado durante toda a prenhez da rata albina. Métodos: 40 ratas albinas prenhes foram distribuídas ao acaso em quatro grupos numericamente iguais: GI - recebeu diariamente 1 ml de água destilada por gavagem (controle); GII, GIII e GIV foram tratadas, respectivamente, com 125, 500 e 1.500 mg/kg de peso corporal de acetaminofeno, dose única, diária, por gavagem, sempre diluído em 1 ml de água destilada, desde o dia zero até o 20º dia de prenhez. O ganho de peso das matrizes foi avaliado nos dias 0, 7, 15 e 20 de prenhez, sendo que no 20º dia todos os animais foram sacrificados. Resultados: nossos achados mostraram sempre menor peso entre as matrizes que receberam o medicamento, quando comparadas com o controle. A incidência de reabsorção dos embriões foi da ordem de 2,0, 3,5 e 7,0 vezes maior que no controle, considerando-se, respectivamente, os grupos GII, GIII e GIV. Os grupos GIII e GIV tiveram redução do peso dos conceptos. No GIV, houve redução de 50% no crescimento de fetos e placentas com relação ao controle; aqui, também foram encontradas 15,7% de malformações externas. Conclusões: deve ser evitado o uso contínuo do acetominofeno em altas doses, superiores a 70 mg/kg por dia, durante o período gestacional.

Purpose: to evaluate the effects of acetaminophen on the pregnancy of female albino rats. Methods: forty pregnant rats were separated into four groups. All the animals received daily by gavage 1 ml of acetaminophen solution from the first day (day zero) until the 20th day of pregnancy: group I - only distilled water (control); groups II, III and IV, respectively, 125, 500 and 1,500 mg/kg body weight of acetaminophen dissolved in distilled water. The animals were weighed on days 0, 7, 15 and 20 of pregnancy. Results: our results showed that the rats that received the medication presented a reduction in weight when compared to the control group. The incidence of reabsorption of the embryos was 2.0, 3.5 and 7.0 times higher than in the control, in groups II, III and IV, respectively. Groups GII and GIV showed a clear reduction in the weight of the concepts. In GIV there was a 50% reduction in weight increase of fetuses and placentas when compared to the control, and 15.7% of external malformations were also found. Conclusions: the continuous use of acetaminophen should be avoided at doses higher than 70 mg/kg per during pregnancy.