952 resultados para productive performance


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Background: Interprofessionalism, considered as collaboration between medical professionals, has gained prominence over recent decades and evidence for its impact has grown. The steadily increasing number of residents in nursing homes will challenge medical care and the interaction across professions, especially nurses and general practitioners (GPS). The nursing home visit, a key element of medical care, has been underrepresented in research. This study explores GP perspectives on interprofessional collaboration with a focus on their visits to nursing homes in order to understand their experiences and expectations. This research represents an aspect of the interprof study, which explores medical care needs as well as the perceived collaboration and communication by nursing home residents, their families, GPS and nurses. This paper focusses on GPS' views, investigating in particular their visits to nursing homes in order to understand their experiences. Methods: Open guideline-interviews covering interprofessional collaboration and the visit process were conducted with 30 GPS in three study centers and analyzed with grounded theory methodology. GPS were recruited via postal request and existing networks of the research partners. Results: Four different types of nursing home visits were found: visits on demand, periodical visits, nursing home rounds and ad-hoc-decision based visits. We identified the core category "productive performance" of home visits in nursing homes which stands for the balance of GPŚ individual efforts and rewards. GPS used different strategies to perform a productive home visit: preparing strategies, on-site strategies and investing strategies. Conclusion: We compiled a theory of GPS home visits in nursing homes in Germany. The findings will be useful for research, and scientific and management purposes to generate a deeper understanding of GP perspectives and thereby improve interprofessional collaboration to ensure a high quality of care.

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O estudo foi conduzido em dois ensaios distintos, testando-se o efeito da utilização do morango silvestre, como aditivo aromático, no alimento composto comercial de porcas em lactação, e de leitões em recria. Utilizou-se um total de 47 porcas reprodutoras híbridas comerciais, de linha genética PIC© (Large White x Landrace) e 561 leitões, desmamados aos 28 dias de vida, seguindo-se uma recria de 14 dias. Utilizaram-se dois alimentos compostos comerciais distintos, a dieta controlo e a dieta experimental, preparada com base no alimento controlo, aditado com aroma de morango silvestre. Os leitões em recria receberam um alimento composto medicamentoso, com o mesmo aroma do alimento composto aromático experimental das porcas reprodutoras. Procedeu-se à pesagem dos leitões, por parque, ao desmame e no final da recria. Controlou-se o alimento distribuído e rejeitado, o que permitiu a determinação do alimento ingerido, por parque. Determinou-se o ganho médio diário e o índice de conversão alimentar, na fase de recria. Os resultados obtidos sugerem interesse na utilização deste aroma, permitindo melhores resultados no desempenho produtivo dos leitões, em aleitamento (+ 0,14 a 0,19 kg PV ao desmame) e em fase de recria (+ 17 a 32 g de GMD e - 0,09 a 0,04 de IC).

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O estudo foi conduzido em dois ensaios distintos, testando-se o efeito da utilização do morango silvestre, como aditivo aromático, no alimento composto comercial de porcas em lactação, e de leitões em recria. Utilizou-se um total de 47 porcas reprodutoras híbridas comerciais, de linha genética PIC© (Large White x Landrace) e 561 leitões, desmamados aos 28 dias de vida, seguindo-se uma recria de 14 dias. Utilizaram-se dois alimentos compostos comerciais distintos, a dieta controlo e a dieta experimental, preparada com base no alimento controlo, aditado com aroma de morango silvestre. Os leitões em recria receberam um alimento composto medicamentoso, com o mesmo aroma do alimento composto aromático experimental das porcas reprodutoras. Procedeu-se à pesagem dos leitões, por parque, ao desmame e no final da recria. Controlou-se o alimento distribuído e rejeitado, o que permitiu a determinação do alimento ingerido, por parque. Determinou-se o ganho médio diário e o índice de conversão alimentar, na fase de recria. Os resultados obtidos sugerem interesse na utilização deste aroma, permitindo melhores resultados no desempenho produtivo dos leitões, em aleitamento (+ 0,14 a 0,19 kg PV ao desmame) e em fase de recria (+ 17 a 32 g de GMD e - 0,09 a 0,04 de IC).

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O objetivo deste estudo foi avaliar a ocorrência de resposta compensatória no desempenho produtivo de juvenis de tilápia do Nilo Oreochromis niloticus, linhagem GIFT, submetidos a diferentes estratégias alimentares. Foram utilizados 135 juvenis de tilápia, distribuídos em nove tanques de polietileno de 100L cada. As estratégias testadas foram: grupo controle (alimentado todo dia), grupo alimentado por cinco dias seguidos de dois dias de restrição de alimento (5A/2R) e grupo alimentado por quatro dias seguidos de três dias de restrição de alimento (4A/3R). Foram avaliados parâmetros físico-químicos da água e de desempenho produtivo. Os resultados foram submetidos à análise de variância, e as médias foram comparadas pelo teste Tukey, a 5% de probabilidade. A qualidade de água, o fator de condição e a conversão alimentar não foram influenciados pela estratégia alimentar. O grupo alimentado com a estratégia 5A/2R apresentou peso final, ganho de peso e taxa de crescimento específico semelhantes ao grupo continuamente alimentado (7,8 e 9,2g; 6,4 e 7,8g e 2,7 e 3,0% dia-1, para peso final, ganho de peso e taxa de crescimento especifico, respectivamente). A estratégia 4A/3R apresentou os piores resultados de desempenho produtivo, e a estratégia 5A/2R pode ser usada na alimentação de juvenis de tilápia do Nilo sem prejuízo ao desempenho produtivo, possibilitando inclusive redução de até 22,5% na quantidade de alimento ofertada.

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Dissertação de Mestrado em Engenharia Zootécnica/Produção Animal

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Tese de Doutoramento em Ciências Veterinárias, especialidade de Produção Animal

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The use of silvopastoral systems (SPS) can be a good alternative to reduce the environmental impacts of livestock breeding in Brazil. Despite the advantages offered by public policies, many producers hesitate to use this system. One of the reasons is the lack of information on health and productivity of cattle raised under these conditions. The experiment reported here was designed to compare the behavior of infection by gastrointestinal nematodes and weight gain of beef cattle raised in a SPS and a conventional pasture system. We monitored the number of eggs per gram of feces, the prevalent nematode genus, data on climate, forage availability, weight gain and packed cell volume (PCV) of the animals bred in the two systems. The infection by nematodes was significantly higher in the cattle raised in the SPS (p\0.05). The coprocultures revealed the presence of nematodes of the genera Haemonchus, Cooperia, Oesophagostomum and Trichostrongylus, in both systems, but the mean infestation rates of Haemonchus and Cooperia were higher in the SPS (p\0.05). The average of PCV values did not differ between the cattle in the two systems. The individual weight gain and stocking rate in the period did not vary between the systems (p[0.05). Despite the higher prevalence of nematodes in the SPS, no negative impact was detected on the animals? weight gain and health. The results of this experiment indicate that under the conditions studied, there is no need to alter the parasite management to assure good productive performance of cattle

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A former cross between Alentejano (AL) and Bísaro (BI) breeds, called Ribatejano pig (RI), was quite spread in Ribatejo region until half of the last century and was raised in both borders of Tagus River. Besides the renewed interest of this cross nowadays, no performance data is available regarding the RI (ALxBI and BIxAL) animals or their products, which were studied in the frame of project TREASURE1. In order to assess the productive performance of the RI pig, castrated AL, BI, ALxBI and BIxAL pigs (10 from each genotype) raised in traditional free-range system and fed commercial diets ad libitum, were slaughtered at ~65kg LW.

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This paper assesses the performance of a vocabulary test designed to measure second language productive vocabulary knowledge.The test, Lex30, uses a word association task to elicit vocabulary, and uses word frequency data to measure the vocabulary produced. Here we report firstly on the reliability of the test as measured by a test-retest study, a parallel test forms experiment and an internal consistency measure. We then investigate the construct validity of the test by looking at changes in test performance over time, analyses of correlations with scores on similar tests, and comparison of spoken and written test performance. Last, we examine the theoretical bases of the two main test components: eliciting vocabulary and measuring vocabulary. Interpretations of our findings are discussed in the context of test validation research literature. We conclude that the findings reported here present a robust argument for the validity of the test as a research tool, and encourage further investigation of its validity in an instructional context

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Economic losses caused by enzootic bovine leukosis (EBL) have been of interest since World War II, when the neoplastic form of EEL increased dramatically in Europe. Olson (1974) and House et al. (1975) ed that animals with lymphosarcoma caused by the bovine leukosis virus (BLV) had reduced milk yields. a less efficient reproductive performance and high veterinary costs and mortality rates, while many carcasses were rejected at slaughter. However, the actual impact of BLV infection in cattle without lymphosarcoma is not; clear. The purpose of the study reported here was to compare some productive and reproductive responses of cattle that were antibody-positive (BLV+) or negative (BLV-) for BLV.Holstein dairy cows in commercial dairy farms were used in this study. Blood samples were collected and subjected to BLV serological examination by the agar gel immunodiffusion test of Miller & van der Maaten (1976). Animals were then grouped as BLV+ or BLV- according to their serological response to the BLV antigen. Productive and reproductive histories were obtained from individual animal records and the following factors were considered: milk production, calving interval and birth rate. For milk production, we had the daily milk yields of 547 animals, and for calving interval the time between two successive parturitions for 444 cows. These values were examined by ANOVA and when this was significant a Student's t test was carried out for each age group. Birth rates, the percentage of animals that calved in 1 gear, were available for 557 animals and were examined with the Z-two proportion test. For all analyses, P < 0.05 was considered significant.

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The objective of the present study was to evaluate the nutrient intake, blood parameters, follicular diameter and performance of pre-puberty crossbred heifers fed isoproteic diets (14.1%CP) containing 0.0; 0.44; 0.88 and 1.32% urea on the total dry matter (DM) of the diet, with a 77:23 roughage:concentrate ratio. Twenty-four 18- month old heifers (Holstein x Zebu), 277.9 kg mean live weight (LW) were used, distributed in four treatments and six replications in a randomized complete design. The following were evaluated: dry matter intake (DM), crude protein (CP), neutral detergent fiber (NDF), acid detergent fiber (ADF), ether extract (EE), hemicellulose (HEM), plasmatic ureic nitrogen (PUN), plasmatic glucose, plasmatic total cholesterol, follicular diameter and daily weight gain (DWG). No influence of the urea levels in the diet was observed on NDF and HEM intake. A maximum intake was obtained of DM (8.75 kg day(-1)), CP (0.88 kg day(-1)), ADF (2.5 kg day(-1)) and EE (0.17 kg day(-1)) respectively for the levels 0.7, 0.8, 0.7 and 0.7% urea in total DM. The 0.6%; 0.77% and 0.6% urea levels in diet were the critical points for obtaining maximum response for the PUN (10.96 mg dL(-1)) and plasmatic glucose (84.97 mg dL(-1)) concentrations and, for follicular diameter (11.08 mm) on the 40(th); 24(th) and 31(st) day, respectively. The plasmatic total cholesterol concentration and DWG were not influenced by the urea added to the diet, with averages of 119.39 mg dL(-1) and 1.66 kg day(-1), respectively. It was concluded that urea can be added up to 1.32% on the total DM of the diet for pre-puberty crossbred heifers.

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Practitioners and academics often assume that investments in innovation will lead to organizational improvements. However, previous research has often shown that implemented innovations fail to realise these potential improvements. On the other hand, organisation, perhaps, has been growing and productive because of the innovation, but traditional measurements have failed to capture that growth. In order to help organizations capture their innovation performance effectively, this study examined the organizations which employ different types of performance measurement and their perception of innovation effectiveness.

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China’s increasing participation in world affairs and the growing popularity of English as a lingua franca have made significant impact on Chinese society, culture and education. As such, considerable research topics in relation to English require TEFL researchers’ attentions. Additionally, higher education reform in China has created higher demand on academics by stressing research as an important element in academics’ assessment. Recurrent rhetoric in the field of TEFL also calls on practitioners to theorise their practice. All these practical needs and theoretical arguments point to the necessity and significance of TEFL academics’ engagement in research. To find out whether Chinese TEFL academics’ research meet the new demand on them, a survey of TEFL academics at three Chinese higher institutions was conducted. One hundred eighty two of them provided valid responses which were analysed using SPSS. It was found that TEFL academics’ research productivity in each category of research products was quite low. Large percentages of them did not produce any item in the investigated categories of research. They were least productive in conference papers and research products at the national level. However for these least productive categories, there were highly-productive TEFL academics. The categories of research where the TEFL academics were found relatively productive were non-core journal articles and provincial projects. The findings suggest that it is necessary and urgent for Chinese TEFL academics to enhance their research productivity to be able to meet the demand that new era has rendered.