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This study evaluated the structure of vegetation and the performance of rearing heifers and cull cows in Campos grasslands managed in the rotational stocking method with first-last stocking in the spring-summer period. The treatments were different rest intervals of 402 and 252 degrees-day, which favor the growth of different functional groups of grasses. A completely randomized block design with two treatments and three repetitions was used. The test animals were 24 heifers in the "first" group and 24 cows in the "last" group. In the stratum between tussock grasses, sward heights greater than 0.16 m were predominant in both treatments, it was 1.3 times more frequent in the 402 DD treatment compared to the 252 DD treatment. Average stocking rate was 22% higher in the 252 DD treatment. Although, no differences were observed for the average daily gain of heifers (0.227 kg.day-1) and cows (0.336 kg.day-1) between treatments, the weight gain per area in the experimental period was greater in the 252 DD treatment. Despite the management system with first and last stoking does not provide significant changes in the structure of the pasture, it allowed to achieve satisfactory performance goals in areas of Campos grassland.

Este estudo teve como objetivo avaliar a estrutura da vegetação e o desempenho de novilhas em recria e vacas de descarte em pastagens naturais manejadas em sistema de pastejo rotacionado com lotes "ponta" e "rapador" no período primavera-verão. Os tratamentos foram diferentes intervalos de descanso de 402 e 252 graus-dia (GD), os quais favorecem o crescimento de gramíneas de diferentes grupos funcionais. O delineamento experimental foi em blocos ao acaso com dois tratamentos e três repetições. Os animais de teste foram 24 novilhas no grupo "ponta" e 24 vacas no grupo "rapador". No estrato entre touceiras, as alturas do pasto maiores que 16 cm foram predominantes em ambos os tratamentos, sendo 1.3 vezes mais frequente no tratamento 402 GD em relação ao tratamento 252 GD. A taxa de lotação média foi 22% maior no tratamento com 252 GD. Embora não tenham sido observadas diferenças para o ganho médio diário de novilhas (0,227 kg.dia-1) e vacas (0,336 kg.dia-1) entre os tratamentos, o ganho de peso por área no período experimental foi maior no tratamento 252 GD. Apesar do sistema de manejo com lotes "ponta" e "rapador" não proporcionar mudanças significativas na estrutura da pastagem, ele permite atingir metas de desempenho satisfatórias em áreas de pastagens naturais.

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Abstract Objective To analyze the factors associated with the prevalence of exclusive breastfeeding (EBF) for up to six months in mother/infant binomials cared for at a usual-risk maternity hospital. Methods The present is a descriptive, longitudinal, prospective, quantitative study. Socioeconomic, obstetric and perinatal variables from 101 mother/infant binomials in a Public Maternity Hospital in the city of Curitiba, state of Paraná, Brazil, were investigated during hospitalization after delivery and 6 months after birth. For the statistical analysis, the Chi-squared test was used. The variables that showed values of p < 0.25 for the Chi-squared test were also submitted to an odds ratio (OR) analysis. Results The prevalence (42.6%) of EBF was observed. Most women (93.1%) had had more than 6 prenatal consultations, and the variables maternity leave and support to breastfeeding were associated with EBF. Support to breastfeeding by professionals and family members increased 4-fold the chance of maintenance of EBF (OR = 0.232; 95% confidence intercal [95%CI]: 0.079 to 0.679; p = 0.008). Cracked nipples were the biggest obstacle to breastfeeding, and low milk production was the main responsible factor for weaning. Conclusion The encouragement of breastfeeding and the mother's stay for a longer period with the child contributed to the maintenance of EBF until the sixth month of life of the infant.

Resumo Objetivo Analisar os fatores associados à prevalência do aleitamento materno exclusivo (AME) até seis meses em binômios mãe/recém-nascido atendidos em uma maternidade de risco habitual. Métodos Trata-se de um estudo descritivo, longitudinal, prospectivo e quantitativo. Foram investigadas variáveis socioeconômicas, obstétricas e perinatais de 101 binômios mãe/recém-nascido de uma maternidade pública em Curitiba-PR no internamento após o parto e 6 meses após o nascimento. Para a análise estatística, utilizou-se o teste do qui-quadrado. As variáveis cujo teste do qui-quadrado tiveram valores de p < 0,25 foram testadas para análises de razão de probabilidades (RP). Resultados Observou-se a prevalência (42,6%) do AME. A maioria das mulheres (93,1%) havia realizado mais de 6 consultas de pré-natal, e as variáveis licença maternidade e apoio para amamentar estiveram associadas ao AME. O apoio para amamentar por parte do profissional e do familiar aumentou em 4 vezes a chance da permanência em AME (RP = 0,232; intervalo de confiança de 95% [IC95%]: 0,079 a 0.679; p = 0,008). A fissura foi o maior obstáculo para a amamentação, e a baixa produção de leite, o principal responsável pelo desmame. Conclusão O incentivo ao aleitamento e a permanência da mãe por mais tempo com a criança contribuíram para a manutenção do AME até o sexto mês de vida do bebê.

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OBJECTIVE: To analyze the factors associated with the prevalence of exclusive breastfeeding (EBF) for up to six months in mother/infant binomials cared for at a usual-risk maternity hospital. METHODS: The present is a descriptive, longitudinal, prospective, quantitative study. Socioeconomic, obstetric and perinatal variables from 101 mother/infant binomials in a Public Maternity Hospital in the city of Curitiba, state of Paraná, Brazil, were investigated during hospitalization after delivery and 6 months after birth. For the statistical analysis, the Chi-squared test was used. The variables that showed values of p < 0.25 for the Chi-squared test were also submitted to an odds ratio (OR) analysis. RESULTS: The prevalence (42.6%) of EBF was observed. Most women (93.1%) had had more than 6 prenatal consultations, and the variables maternity leave and support to breastfeeding were associated with EBF. Support to breastfeeding by professionals and family members increased 4-fold the chance of maintenance of EBF (OR = 0.232; 95% confidence intercal [95%CI]: 0.079 to 0.679; p = 0.008). Cracked nipples were the biggest obstacle to breastfeeding, and low milk production was the main responsible factor for weaning. CONCLUSION: The encouragement of breastfeeding and the mother's stay for a longer period with the child contributed to the maintenance of EBF until the sixth month of life of the infant.

OBJETIVO: Analisar os fatores associados à prevalência do aleitamento materno exclusivo (AME) até seis meses em binômios mãe/recém-nascido atendidos em uma maternidade de risco habitual. MéTODOS: Trata-se de um estudo descritivo, longitudinal, prospectivo e quantitativo. Foram investigadas variáveis socioeconômicas, obstétricas e perinatais de 101 binômios mãe/recém-nascido de uma maternidade pública em Curitiba-PR no internamento após o parto e 6 meses após o nascimento. Para a análise estatística, utilizou-se o teste do qui-quadrado. As variáveis cujo teste do qui-quadrado tiveram valores de p < 0,25 foram testadas para análises de razão de probabilidades (RP). RESULTADOS: Observou-se a prevalência (42,6%) do AME. A maioria das mulheres (93,1%) havia realizado mais de 6 consultas de pré-natal, e as variáveis licença maternidade e apoio para amamentar estiveram associadas ao AME. O apoio para amamentar por parte do profissional e do familiar aumentou em 4 vezes a chance da permanência em AME (RP = 0,232; intervalo de confiança de 95% [IC95%]: 0,079 a 0.679; p = 0,008). A fissura foi o maior obstáculo para a amamentação, e a baixa produção de leite, o principal responsável pelo desmame. CONCLUSãO: O incentivo ao aleitamento e a permanência da mãe por mais tempo com a criança contribuíram para a manutenção do AME até o sexto mês de vida do bebê.

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The goals of this study were to evaluate the length of time grazing which should be monitored over a 24-h period to predict the grazing behavior of beef heifers within a season and determine the patterns of foraging activity over 24 h. A database was constructed between 2010 and 2012 for beef heifers managed under rotational grazing in a natural grassland. Grazing, rumination, and other activity times were assessed visually during 24 h on 15 occasions. Data were classified according to climatic seasons, generating 12 replicates in summer, 18 in spring, 24 in autumn, and 36 in winter. Treatments were the evaluation of four distinct periods: from sunrise to sunset (DAY-SUN), daylight duration from dawn to nightfall (DAYLIGHT), DAYLIGHT plus 2 h (DAYLIGHT+2), DAYLIGHT to midnight (DAYLIGHT to 0), and the entire 24 h period (CONTROL). Differences for grazing, rumination, and other activities were found in all seasons for the evaluation periods. Sampling sufficiency was reached only with the DAYLIGHT to 0 and CONTROL for all four climatic seasons. The DAYLIGHT to 0 treatment covered 75% of a 24-h period and 95% of the mean foraging time took place during this time interval. Considering grazing distribution during a day, in the warm seasons, the major grazing period during mornings occurred earlier than in the cool seasons, and in cool seasons, the grazing peak was observed during the afternoon. Visual observations from dawn until midnight represented the total grazing time and natural behavior of heifers and could be used to represent grazing activities for the entire day.

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Background Bariatric Surgery is the most effective alternative for weight reduction. However, weight regain is a serious problem. Therefore, pre and post-operative psychological management becomes relevant for these patients. Aim To unify criteria about the psychological management patients undergoing bariatric surgery. Material and Methods A questionnaire about psychological practice in bariatric surgery was sent to 50 national expert psychologists, members of the Chilean Bariatric and Metabolic Society. When no agreement among them was achieved, the Delphi methodology was applied. Scores of 86% or greater were used to reach consensus. Results The specialized clinical assessment is crucial for a good preoperative evaluation and to obtain and adequate compliance after surgery. Psychological interventions evolved towards a preparation process to achieve behavioral changes aiming to maintain good long term weight reduction results. Conclusions The indications and recommendations emanating from this consensus generated a document that establishes minimum criteria and quality care standards, which should reduce mental health risks of bariatric surgery and enhance lifestyle changes.

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ABSTRACT: This study aimed to evaluate the effect of two rest intervals between grazing on the structural characteristics of pasture and performance of beef heifers in Campos grassland under rotational grazing. The treatments were two intervals between 375 and 750 DD (degree-days) grazing, based on the cumulative thermal sum for leaf expansion of native grasses belonging to capture and conservation groups of resources dominant in a natural grassland. The experiment was conducted during 151 days from October 2015 to March 2016, and twenty-four Braford heifers tests mean age = 12 months; mean body weight = 220kg (± 27.8) were used. The pre-grazing total forage mass (FMt) was on average 3791 kgMSha-1 and did not differ between treatments and season, the same occurred with the non-tussock FM. The average stocking rate was 469 kg ha-1 in both treatments. The average daily gain varied only between seasons, 0.102 kg animal-1 day-1 during spring and 0.372 kg animal-1 day-1 during summer. During the 151 evaluation days, the gain per area was a 103 kgha-1. The use of rest intervals between grazing based on the leaf elongation of dominant grasses, when applied to the areas of Campos grasslands, provided nutritional conditions to reach the target body weight for breeding 24 months old beef heifers.

RESUMO: O estudo objetivou avaliar o efeito de dois intervalos de descanso entre pastoreios nas características estruturais do pasto e desempenho de novilhas de corte em pastagens naturais manejadas em pastejo rotativo. Os tratamentos foram dois intervalos entre pastejos de 375 e 750 GD (graus dia), baseados na soma térmica da duração de elongação foliar média de gramíneas de grupos de captura e conservação dos recursos dominantes de uma pastagem natural. O experimento foi conduzido no período de outubro de 2015 a março de 2016, com duração de 151 dias e os períodos experimentais divididos em primavera e verão. Foram utilizadas 24 novilhas teste da raça Braford, com idade inicial na média de 12 meses, e de peso corporal médio de 220 kg (± 27,8). A Massa de forragem total (FMt) pré-pastejo foi em média de 3791 kgMSha-1 e não diferiu entre tratamentos e estação, o mesmo ocorreu com a FM de estrato não touceira. A taxa de lotação média foi de 469 kgha-1 em ambos os tratamentos. O ganho médio diário variou apenas entre estações, com médias de 0,102 kganimal-1dia-1 na primavera e 0,372 kganimal-1dia-1 no verão. O ganho por área durante os 151 dias de avaliação foi em média de 103 kgha-1. As pastagens naturais submetidas a intervalos de descanso entre pastoreios baseados na elongação foliar de gramíneas dominantes, independente do tratamento utilizado, proporcionam ritmos de ganhos médios diários compatíveis com a meta de peso corporal, a ser atingida aos 24 meses, para que as novilhas possam ser acasaladas.

RESUMO

This study aimed to evaluate the effect of two rest intervals between grazing on the structural characteristics of pasture and performance of beef heifers in Campos grassland under rotational grazing. The treatments were two intervals between 375 and 750 DD (degree-days) grazing, based on the cumulative thermal sum for leaf expansion of native grasses belonging to capture and conservation groups of resources dominant in a natural grassland. The experiment was conducted during 151 days from October 2015 to March 2016, and twenty-four Braford heifers tests mean age = 12 months; mean body weight = 220kg (± 27.8) were used. The pre-grazing total forage mass (FMt) was on average 3791 kgMSha-1 and did not differ between treatments and season, the same occurred with the non-tussock FM. The average stocking rate was 469 kg ha-1 in both treatments. The average daily gain varied only between seasons, 0.102 kg animal-1 day-1 during spring and 0.372 kg animal-1 day-1 during summer. During the 151 evaluation days, the gain per area was a 103 kgha-1. The use of rest intervals between grazing based on the leaf elongation of dominant grasses, when applied to the areas of Campos grasslands, provided nutritional conditions to reach the target body weight for breeding 24 months old beef heifers.(AU)

O estudo objetivou avaliar o efeito de dois intervalos de descanso entre pastoreios nas características estruturais do pasto e desempenho de novilhas de corte em pastagens naturais manejadas em pastejo rotativo. Os tratamentos foram dois intervalos entre pastejos de 375 e 750 GD (graus dia), baseados na soma térmica da duração de elongação foliar média de gramíneas de grupos de captura e conservação dos recursos dominantes de uma pastagem natural. O experimento foi conduzido no período de outubro de 2015 a março de 2016, com duração de 151 dias e os períodos experimentais divididos em primavera e verão. Foram utilizadas 24 novilhas teste da raça Braford, com idade inicial na média de 12 meses, e de peso corporal médio de 220 kg (± 27,8). A Massa de forragem total (FMt) pré-pastejo foi em média de 3791 kgMSha-1 e não diferiu entre tratamentos e estação, o mesmo ocorreu com a FM de estrato não touceira. A taxa de lotação média foi de 469 kgha-1 em ambos os tratamentos. O ganho médio diário variou apenas entre estações, com médias de 0,102 kganimal-1dia-1 na primavera e 0,372 kganimal-1dia-1 no verão. O ganho por área durante os 151 dias de avaliação foi em média de 103 kgha-1. As pastagens naturais submetidas a intervalos de descanso entre pastoreios baseados na elongação foliar de gramíneas dominantes, independente do tratamento utilizado, proporcionam ritmos de ganhos médios diários compatíveis com a meta de peso corporal, a ser atingida aos 24 meses, para que as novilhas possam ser acasaladas.(AU)

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In the last years, type 2 diabetes mellitus (T2DM) and obesity have become a serious public health problem, behaving as epidemic diseases. There is great interest in exploring different options for the treatment of T2DM in nonmorbidly obese patients. The purpose of this study is to report parameters of glycemic control in patients with T2DM and mild obesity who underwent laparoscopic Roux-en-Y gastric bypass (RYGBP). This prospective clinical trial includes patients with T2DM with a body mass index (BMI) between 30 and 35 kg/m(2) who underwent laparoscopic RYGBP from July 2008 through October 2010. Thirty-one patients were included in the study, 15 men and 16 women, with an average age of 48.7 ± 8.6 years. The average time since onset of T2DM was 5.8 years. The average postoperative follow-up was 30.4 months. The average preoperative blood glucose and glycosylated hemoglobin were 152 ± 70 mg/dl and 7.7 ± 2.1 %, respectively. All of them were using oral hypoglycemic agents, and four patients were insulin dependent. Only one patient had a postoperative complication (hemoperitoneum). At 36 months follow-up, the average BMI decreased to 24.7 kg/m(2), all patients (31) showed improvement in their glycemic control, and 29 of them (93.6 %) met the criteria for remission of T2DM in the last control. Laparoscopic RYGBP is a safe and effective procedure that improves glycemic control in patients with T2DM and mild obesity at midterm follow-up.

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