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1.
Trop Anim Health Prod ; 56(3): 121, 2024 Apr 12.
Article in English | MEDLINE | ID: mdl-38607462

ABSTRACT

The objective was to evaluate the effect of detoxified castor bean replacing soybean meal in the concentrate diet or as nitrogen organic fertilizer replacing urea on intake and nutrient digestibility, blood parameters and productive performance of sheep finished on irrigated Tamani grass pasture under continuous stocking and variable stocking rate. The treatments were two concentrate diets: standard (ground corn and soybean meal) and alternative diet (ground corn and detoxified castor bean cake), and two nitrogen fertilizers: chemical (urea) and organic (fresh castor bean cake). The randomized complete block design was used in a 2 × 2 factorial arrangement with four replications (500 m² paddocks). Four sheep (2 castrated males and 2 females) were distributed in each experimental unit, totaling 64 animals with an average initial weight of 19.42 ± 3.6 kg. No effects (P > 0.05) were observed on the variables inherent to the evaluation of the pasture. The average stocking rate (SR) among treatments was 85.50 sheep/ha, equivalent to 9.87 Animal Units (AU)/ha. The alternative diet presented lower dry matter digestibility (62.71%), with no negative effects on nutrient intake and kidney parameters. Animals fed the standard and alternative diet showed average daily gain of 103.75 and 86.76 g/day, respectively. A finishing period of up to 100 days is recommended for sheep selected for production systems in semi-arid regions managed intensively on pasture. Detoxified castor bean cake did not alter nutrient intake, liver and kidney parameters of the sheep and can be used in pasture-based sheep farming.


Subject(s)
Fertilizers , Ricinus communis , Animals , Female , Male , Dietary Supplements , Glycine max , Nitrogen , Sheep , Urea
2.
Psicol. rev ; 27(n.esp): 707-724, 2018. ilus
Article in Portuguese | LILACS | ID: biblio-1007928

ABSTRACT

Desde seu surgimento na década de 1990, o Mixed Martial Arts (MMA) tem crescido como esporte de combate no Brasil e mundialmente. Tal crescimento é evidenciado pelo número de eventos organizados, a presença do esporte na mídia, o faturamento de alguns atletas e o interesse do público. Este artigo tem como objetivo avaliar a popularização e profissionalização do MMA no Brasil, refletindo sobre suas implicações. Como ferramenta para a coleta de dados, utiliza-se o portal de eventos Sherdog (em sua versão web), o qual consiste em um localizador eletrônico de combates. Procura-se determinar o número de eventos ocorridos no Brasil, e sua distribuição geográfica, entre os anos de 2016 e 2017. A partir deste levantamento, o artigo analisa um aspecto ambivalente do crescimento do esporte no território nacional: por um lado, a disseminação do ideal de vigor e invencibilidade, representado pelos lutadores de MMA; por outro lado, a precarização das condições de trabalho em que estes atletas estão inseridos. Espera-se, assim, oferecer contribuições da psicologia para os debates sobre esta modalidade de esporte.


Since its emergence in the 1990s, Mixed Martial Arts (MMA) has spread as a combat sport in Brazil and all over the world. This growth is made evident by the number of events, the presence of the sport in the media, the athletes' income and the interest of the public. This article aims to assess the popularization and professionalization of MMA in Brazil, reflecting on its biopsychosocial implications. As a tool for collecting data, we used the Sherdog event portal (in its web version) that consists of an electronic combat locator. It sought to determine the number of events occurring in Brazil, and its geographical distribution, between 2016 and 2017. From this assessment, the article discusses an ambivalent aspect of the growth of this sport in the country: on one hand, the expansion of an ideal of vigor and invincibility, represented by the MMA fighters; on the other, the precariousness of the working conditions these athletes face. This study aims to offer contributions from the psychology field to the debates about this sport.


Desde su aparición en la década de 1990, Mixed Martial Arts (MMA) se ha expandido como un deporte de combate en Brasil y en todo el mundo. Este crecimiento es evidenciado por la cantidad de eventos organizados, la presencia de deportes en los medios de comunicación, la facturación de los atletas y el interés del público. Este artículo tiene como objetivo evaluar la popularización y profesionalización de MMA en Brasil, reflexionando sobre sus implicaciones biopsicosociales. Como herramienta para recopilar datos, usamos el portal de eventos Sherdog (en su versión web), que consiste en un localizador de combates. Se procuró determinar el número de eventos que ocurrieron en Brasil, y su distribución geográfica, entre 2016 y 2017. A partir de este levantamiento, el artículo analiza un aspecto ambivalente del crecimiento del deporte en el territorio nacional. Por un lado, la difusión del ideal de vigor e invencibilidad, representado por los combatientes del MMA. Por otro lado, la precariedad de las condiciones de trabajo en las que estos atletas están inseridos. Se espera, por lo tanto, ofrecer contribuciones de la psicología a los debates sobre esta modalidad de deporte.


Subject(s)
Humans , Martial Arts , Psychology, Sports
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