RESUMO

BACKGROUND: We explored the relationship between symptoms, cognitive performance, neutrophil-to-lymphocyte ratio (NLR), monocyte-to-lymphocyte ratio (MLR), and platelet-to-lymphocyte ratio (PLR) (three markers of inflammation), and antipsychotic dose (in chlorpromazine units) in male and female patients with schizophrenia. METHODS: We conducted a cross-sectional analysis in patients with schizophrenia of the complete blood count and the results of neuropsychological testing, using the Welch t-test to compare groups and the Pearson test for correlations. RESULTS: We found that the NLR and the PLR are higher among women with schizophrenia when compared with men. In women, the NLR and the PLR correlate positively with antipsychotic drug dose and inversely with a working memory test (Direct Digit Span). Higher doses of antipsychotics are associated with worse working and semantic memory and mental flexibility in the women in our sample. CONCLUSION: Higher doses of antipsychotics were associated with worse working and semantic memory and mental flexibility in women with schizophrenia. No such correlations were present in men, suggesting that, in female patients, cognitive performance deteriorates as the antipsychotic dose is increased, a finding that could be mediated by inflammatory mechanisms, given the demonstrated relationship to biomarkers of inflammation - e.g., the NLR and the PLR. TRIAL REGISTRATION: NCT03788759 (ClinicalTrials.gov).

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This study aimed to evaluate the sensitivity and specificity of FAMACHA© method, correlating with packed cell volume (PCV) and egg count (FEC), as well as to evaluate the clinical signs of Haemonchus sp. infection in sheep from Brazilian Cerrado. Over two years (2017 to 2019), 1,435 sheep were subjected to clinical and parasitological evaluations. Sheep from six breeds (Santa Inês, Dorper, White Dorper, Ile de France, Suffolk and crossbreed) were subdivided into five production categories (pregnant, lactating, nonpregnant/lactating ewes, breeding males, and weaned lambs). Parasitological evaluations included FEC and coproculture. In the clinical evaluation, all sheep underwent determination of the FAMACHA© score and PCV. Haemonchus sp. larvae were predominant in coprocultures of the flocks (76.4%) and in each animal production category evaluated (69.4 to 84.3%). FAMACHA© method showed high sensitivity (70.6%) for evaluating sheep with scores ≥ 3, and PCV < 23%, and high specificity (97.5%) in animals with higher scores(4 and 5), and PCV < 18%. A negative correlation was observed between FAMACHA© scores and PCV (-0.46)and between PCV and FEC (-0.47), while a positive correlation was observed between FAMACHA© scores and FEC (0.22) (p < 0.01). The vast majority of the animals evaluated (54.5%) were clinically resistant to gastrointestinal parasites. Due to the high sensitivity and specificity, we concluded that the method could be a valuable diagnostic alternative and an ancillary tool in the implementation of selective treatment for helminthic infection in sheep from Brazilian Cerrado.

Este estudo objetivou avaliar a sensibilidade e especificidade do método FAMACHA©, e sua correlação com volume globular (VG) e contagem de ovos de nematódeos por grama de fezes (OPG), no diagnóstico de infecção parasitária por Haemonchus sp., além de avaliar os sinais clínicos frente às infecções por tais endoparasitos, em ovinos do Cerrado brasileiro. Ao longo de dois anos (2017 a 2019), o total de 1.435 ovinos foram submetidos a avaliação clínica e parasitológica. Os ovinos de seis raças (Santa Inês, Dorper, White Dorper, Ile de France, Suffolk e mestiços) foram subdivididos em cinco categorias de produção (ovelhas gestantes, lactantes, não gestantes/lactantes, machos reprodutores e cordeiros desmamados). As avaliações parasitológicas incluíram OPG e coprocultura. Na avaliação clínica, os ovinos passaram por determinação do escore FAMACHA© e do VG. As larvas de Haemonchus sp. foram predominantes nas coproculturas dos rebanhos (76,4%) e em cada categoria de produção animal avaliada (69,4 a 84,3%). O método FAMACHA© apresentou alta sensibilidade (70,6%) para avaliar animais com escores ≥ 3 e VG <23% e alta especificidade (97,5%) em animais com escores mais elevados (4 e 5), e VG < 18%. Observou-se correlação negativa entre os escores FAMACHA© e VG (-0,46) e entre VG e OPG (-0,47), enquanto uma correlação positiva foi observada entre os escores FAMACHA© e OPG (0,22) (p < 0.01). A grande maioria dos animais avaliados (54,5%) mostrou-se clinicamente resistente às parasitoses gastrointestinais. Devido à alta sensibilidade e especificidade, concluímos que o método pode ser uma alternativa diagnóstica valiosa e ferramenta auxiliar na implementação do tratamento seletivo para infecção por helmintos em ovinos do Cerrado brasileiro.

Assuntos

RESUMO

This study aimed to evaluate the sensitivity and specificity of FAMACHA© method, correlating with packed cell volume (PCV) and egg count (FEC), as well as to evaluate the clinical signs of Haemonchus sp. infection in sheep from Brazilian Cerrado. Over two years (2017 to 2019), 1,435 sheep were subjected to clinical and parasitological evaluations. Sheep from six breeds (Santa Inês, Dorper, White Dorper, Ile de France, Suffolk and crossbreed) were subdivided into five production categories (pregnant, lactating, nonpregnant/lactating ewes, breeding males, and weaned lambs). Parasitological evaluations included FEC and coproculture. In the clinical evaluation, all sheep underwent determination of the FAMACHA© score and PCV. Haemonchus sp. larvae were predominant in coprocultures of the flocks (76.4%) and in each animal production category evaluated (69.4 to 84.3%). FAMACHA© method showed high sensitivity (70.6%) for evaluating sheep with scores ≥ 3, and PCV < 23%, and high specificity (97.5%) in animals with higher scores(4 and 5), and PCV < 18%. A negative correlation was observed between FAMACHA© scores and PCV (-0.46)and between PCV and FEC (-0.47), while a positive correlation was observed between FAMACHA© scores and FEC (0.22) (p < 0.01). The vast majority of the animals evaluated (54.5%) were clinically resistant to gastrointestinal parasites. Due to the high sensitivity and specificity, we concluded that the method could be a valuable diagnostic alternative and an ancillary tool in the implementation of selective treatment for helminthic infection in sheep from Brazilian Cerrado.(AU)

Este estudo objetivou avaliar a sensibilidade e especificidade do método FAMACHA©, e sua correlação com volume globular (VG) e contagem de ovos de nematódeos por grama de fezes (OPG), no diagnóstico de infecção parasitária por Haemonchus sp., além de avaliar os sinais clínicos frente às infecções por tais endoparasitos, em ovinos do Cerrado brasileiro. Ao longo de dois anos (2017 a 2019), o total de 1.435 ovinos foram submetidos a avaliação clínica e parasitológica. Os ovinos de seis raças (Santa Inês, Dorper, White Dorper, Ile de France, Suffolk e mestiços) foram subdivididos em cinco categorias de produção (ovelhas gestantes, lactantes, não gestantes/lactantes, machos reprodutores e cordeiros desmamados). As avaliações parasitológicas incluíram OPG e coprocultura. Na avaliação clínica, os ovinos passaram por determinação do escore FAMACHA© e do VG. As larvas de Haemonchus sp. foram predominantes nas coproculturas dos rebanhos (76,4%) e em cada categoria de produção animal avaliada (69,4 a 84,3%). O método FAMACHA© apresentou alta sensibilidade (70,6%) para avaliar animais com escores ≥ 3 e VG <23% e alta especificidade (97,5%) em animais com escores mais elevados (4 e 5), e VG < 18%. Observou-se correlação negativa entre os escores FAMACHA© e VG (-0,46) e entre VG e OPG (-0,47), enquanto uma correlação positiva foi observada entre os escores FAMACHA© e OPG (0,22) (p < 0.01). A grande maioria dos animais avaliados (54,5%) mostrou-se clinicamente resistente às parasitoses gastrointestinais. Devido à alta sensibilidade e especificidade, concluímos que o método pode ser uma alternativa diagnóstica valiosa e ferramenta auxiliar na implementação do tratamento seletivo para infecção por helmintos em ovinos do Cerrado brasileiro.(AU)

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RESUMO

This study aimed to determine the intensity, seasonality, and distribution by genera of, as well as to identify phenotypic markers of susceptibility to, gastrointestinal parasites among sheep on farms within the Brazilian savanna (cerrado) biome. We evaluated 1271 sheep, on seven farms, during the rainy season (in December 2017 and December 2018) and dry season (in July 2018 and July 2019). Parasitological evaluation was based on culture and EPG. We calculated hematocrit, as well as the body condition score and feces score. Of the sheep evaluated, 34.15% had moderate-to-severe parasitic infection. The factors of herds' phenotypic characterization about helminth infections were (p ≤ 0.05 for all): anemia (OR = 5.72); leanness (OR = 1.80); loose stools or diarrhea (OR = 1.54); breed other than Santa Inês (OR = 2.31); "weaned lamb" category (OR = 4.76); "lambing ewe" category (OR = 4.66); and dry season (OR = 2.37). Haemonchus, Trichostrongylus, Oesophagostomum, and Cooperia accounted for 76.40%, 20.23%, 2.89%, and 0.47%, respectively, of the helminth genera identified, with their proportional distributions being comparable between the rainy and dry seasons. Changes in health management, with regard to helminth infection control, are urgently needed in order to combat the disease more effectively and sustainably.

Assuntos

RESUMO

Abstract This study aimed to determine the intensity, seasonality, and distribution by genera of, as well as to identify phenotypic markers of susceptibility to, gastrointestinal parasites among sheep on farms within the Brazilian savanna (cerrado) biome. We evaluated 1271 sheep, on seven farms, during the rainy season (in December 2017 and December 2018) and dry season (in July 2018 and July 2019). Parasitological evaluation was based on culture and EPG. We calculated hematocrit, as well as the body condition score and feces score. Of the sheep evaluated, 34.15% had moderate-to-severe parasitic infection. The factors of herds' phenotypic characterization about helminth infections were (p ≤ 0.05 for all): anemia (OR = 5.72); leanness (OR = 1.80); loose stools or diarrhea (OR = 1.54); breed other than Santa Inês (OR = 2.31); "weaned lamb" category (OR = 4.76); "lambing ewe" category (OR = 4.66); and dry season (OR = 2.37). Haemonchus, Trichostrongylus, Oesophagostomum, and Cooperia accounted for 76.40%, 20.23%, 2.89%, and 0.47%, respectively, of the helminth genera identified, with their proportional distributions being comparable between the rainy and dry seasons. Changes in health management, with regard to helminth infection control, are urgently needed in order to combat the disease more effectively and sustainably.

Resumo A presente pesquisa objetivou determinar a intensidade, sazonalidade, predominância de gêneros e marcadores fenotípicos às parasitoses gastrointestinais em fazendas de criação de ovinos do Distrito Federal, no bioma cerrado brasileiro. Foram avaliados 1.271 ovinos oriundos de sete propriedades, durante os períodos chuvoso (dezembro de 2017 e dezembro de 2018) e seco (julho de 2018 e julho de 2019). Procedeu-se a avaliação parasitológica por coprocultura e OPG, dosagem de hematócrito, escore de condição corporal e de fezes. Dos indivíduos avaliados, 34,15% deles apresentaram infecção parasitária moderada a grave. Os fatores de caracterização fenotípica dos rebanhos quanto às infecções helmínticas (p ≤ 0,05), foram: anemia (OR = 5,72),magreza (OR = 1,80), fezes pastosas/diarreicas (OR = 1,54), raças distintas à raça Santa Inês (OR = 2,31), categorias de produção animal "jovens" (OR = 4,76) e "fêmeas paridas" (OR = 4,66), e período seco (OR = 2,37). Haemonchus, Trichostrongylus, Oesophagostomum e Cooperia foram os gêneros de helmintos observados nas seguintes proporções: 76,40%, 20,23%, 2,89% e 0,47%, respectivamente, sem distinção em sua distribuição entre os períodos chuvoso e seco. Mudanças no manejo sanitário com relação às helmintoses são urgentemente necessárias, para um controle da doença de forma mais eficaz e sustentável.

Assuntos

RESUMO

This study aimed to determine the intensity, seasonality, and distribution by genera of, as well as to identify phenotypic markers of susceptibility to, gastrointestinal parasites among sheep on farms within the Brazilian savanna (cerrado) biome. We evaluated 1271 sheep, on seven farms, during the rainy season (in December 2017 and December 2018) and dry season (in July 2018 and July 2019). Parasitological evaluation was based on culture and EPG. We calculated hematocrit, as well as the body condition score and feces score. Of the sheep evaluated, 34.15% had moderate-to-severe parasitic infection. The factors of herds phenotypic characterization about helminth infections were (p 0.05 for all): anemia (OR = 5.72); leanness (OR = 1.80); loose stools or diarrhea (OR = 1.54); breed other than Santa Inês (OR = 2.31); weaned lamb category (OR = 4.76); lambing ewe category (OR = 4.66); and dry season (OR = 2.37). Haemonchus, Trichostrongylus, Oesophagostomum, and Cooperia accounted for 76.40%, 20.23%, 2.89%, and 0.47%, respectively, of the helminth genera identified, with their proportional distributions being comparable between the rainy and dry seasons. Changes in health management, with regard to helminth infection control, are urgently needed in order to combat the disease more effectively and sustainably.(AU)

A presente pesquisa objetivou determinar a intensidade, sazonalidade, predominância de gêneros e marcadores fenotípicos às parasitoses gastrointestinais em fazendas de criação de ovinos do Distrito Federal, no bioma cerrado brasileiro. Foram avaliados 1.271 ovinos oriundos de sete propriedades, durante os períodos chuvoso (dezembro de 2017 e dezembro de 2018) e seco (julho de 2018 e julho de 2019). Procedeu-se a avaliação parasitológica por coprocultura e OPG, dosagem de hematócrito, escore de condição corporal e de fezes. Dos indivíduos avaliados, 34,15% deles apresentaram infecção parasitária moderada a grave. Os fatores de caracterização fenotípica dos rebanhos quanto às infecções helmínticas (p 0,05), foram: anemia (OR = 5,72),magreza (OR = 1,80), fezes pastosas/diarreicas (OR = 1,54), raças distintas à raça Santa Inês (OR = 2,31), categorias de produção animal jovens (OR = 4,76) e fêmeas paridas (OR = 4,66), e período seco (OR = 2,37). Haemonchus, Trichostrongylus, Oesophagostomum e Cooperia foram os gêneros de helmintos observados nas seguintes proporções: 76,40%, 20,23%, 2,89% e 0,47%, respectivamente, sem distinção em sua distribuição entre os períodos chuvoso e seco. Mudanças no manejo sanitário com relação às helmintoses são urgentemente necessárias, para um controle da doença de forma mais eficaz e sustentável.(AU)

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RESUMO

O perfil metabólico é uma importante ferramenta no diagnóstico de doenças metabólicas e monitoramento nutricional de animais de produção. Este trabalho teve por objetivo avaliar o escore corporal e perfil metabólico de ovelhas da raça Santa Inês criadas em sistema de semiconfinamento, ao longo do periparto, comparando esses parâmetros entre animais com gestação simples e gestação múltipla. Cinquenta e cinco ovelhas (55), sendo 43 com gestação simples e 12 com gestação gemelar, foram submetidas a coletas de sangue e avaliação do escore corporal semanalmente, entre o fim do terceiro mês de gestação e um mês pós-parto, totalizando 10 avaliações. Observaram-se diferenças na comparação entre semanas para as variáveis: Glicose, BHB, NEFA, Triglicerídeos, Cálcio, Fósforo, Uréia e Creatinina para os grupos Gestação Simples (GS) e Gestação Gemelar (GG), além de Magnésio para o primeiro grupo (p<0,005). A semana do parto e as semanas subsequentes apresentaram valores estatisticamente diferentes das semanas que precederam o parto na maioria das variáveis estudadas. Não houve diferença significativa na comparação entre os grupos GS e GG para os parâmetros avaliados. Em ambos os grupos houve redução no escore corporal das fêmeas acompanhadas, com uma queda na proporção de animais com EC3 e 4 e concomitante crescimento de EC2.(AU)

The metabolic profile represents an important tool in the diagnostic of metabolic diseases and in the nutritional monitoring of production animals. The main aim of this study was to evaluate the body scores and metabolic profile of sheep of the Santa Inês breed in a system of semi- confinement, during the peri-parturient. The body scores and metabolic profile were analysed between animals with single and multiple pregnancies. Fifty-five sheep were recruited for this study, of those, 43 with single pregnancy and 12 with twin pregnancies. The animals were submitted to blood collection and analyses of body score (BS) weekly, from the end of third month of pregnancy until one month postpartum, and those were analysed 10 times during this research. About the analyses throughout weeks, the study found different values to the variables Glucoses, BHB, NEFA, Triglycerides, Calcium, Phosphorus, Urea, and Creatinine for the Single Pregnancy (SP) and Twin Pregnancies (TP) groups (p<0,005). Moreover, distinct rates of Magnesium was noticed in the Single Pregnancy group (p<0,005). The week of birth and subsequent weeks, showed statistically different values of those from the weeks leading up to the birth in most of the variables studied. There was no significant difference in the comparison between the SP and TP groups for the parameters evaluated. In both groups, there were a decrease in the female body score, with a reduction in the proportion of animal with BS3 and 4 associated, and concomitant increase of animals with BS2 proportion.(AU)

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RESUMO

O perfil metabólico é uma importante ferramenta no diagnóstico de doenças metabólicas e monitoramento nutricional de animais de produção. Este trabalho teve por objetivo avaliar o escore corporal e perfil metabólico de ovelhas da raça Santa Inês criadas em sistema de semiconfinamento, ao longo do periparto, comparando esses parâmetros entre animais com gestação simples e gestação múltipla. Cinquenta e cinco ovelhas (55), sendo 43 com gestação simples e 12 com gestação gemelar, foram submetidas a coletas de sangue e avaliação do escore corporal semanalmente, entre o fim do terceiro mês de gestação e um mês pós-parto, totalizando 10 avaliações. Observaram-se diferenças na comparação entre semanas para as variáveis: Glicose, BHB, NEFA, Triglicerídeos, Cálcio, Fósforo, Uréia e Creatinina para os grupos Gestação Simples (GS) e Gestação Gemelar (GG), além de Magnésio para o primeiro grupo (p<0,005). A semana do parto e as semanas subsequentes apresentaram valores estatisticamente diferentes das semanas que precederam o parto na maioria das variáveis estudadas. Não houve diferença significativa na comparação entre os grupos GS e GG para os parâmetros avaliados. Em ambos os grupos houve redução no escore corporal das fêmeas acompanhadas, com uma queda na proporção de animais com EC3 e 4 e concomitante crescimento de EC2.

The metabolic profile represents an important tool in the diagnostic of metabolic diseases and in the nutritional monitoring of production animals. The main aim of this study was to evaluate the body scores and metabolic profile of sheep of the Santa Inês breed in a system of semi- confinement, during the peri-parturient. The body scores and metabolic profile were analysed between animals with single and multiple pregnancies. Fifty-five sheep were recruited for this study, of those, 43 with single pregnancy and 12 with twin pregnancies. The animals were submitted to blood collection and analyses of body score (BS) weekly, from the end of third month of pregnancy until one month postpartum, and those were analysed 10 times during this research. About the analyses throughout weeks, the study found different values to the variables Glucoses, BHB, NEFA, Triglycerides, Calcium, Phosphorus, Urea, and Creatinine for the Single Pregnancy (SP) and Twin Pregnancies (TP) groups (p<0,005). Moreover, distinct rates of Magnesium was noticed in the Single Pregnancy group (p<0,005). The week of birth and subsequent weeks, showed statistically different values of those from the weeks leading up to the birth in most of the variables studied. There was no significant difference in the comparison between the SP and TP groups for the parameters evaluated. In both groups, there were a decrease in the female body score, with a reduction in the proportion of animal with BS3 and 4 associated, and concomitant increase of animals with BS2 proportion.

Assuntos