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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
11

Avaliação da dor em vacas claudicantes e a sua relação com as características físico-químicas do leite, parâmetros fisiológicos, termografia e limiar nociceptivo / Assessment of pain in lame cows and the relation with physical and chemical characteristics of milk, physiological parameters, thermography and nociceptive threshold

Passos, Lorena Teixeira January 2015 (has links)
As afecções podais podem alterar negativamente o comportamento, bem estar e produtividade das vacas leiteiras, mas ainda é preciso explorar mais seus efeitos sobre os atributos fisiológicos, limiar da dor e as características físico-químicas do leite. Esse estudo teve por objetivo verificar os efeitos provocados pelo desconforto de vacas com problemas podais severos no escore de locomoção, atributos fisiológicos, limiar da dor, variáveis termográficas e características físico-químicas do leite, além de avaliar a melhoria nessas variáveis após o tratamento. Foram utilizadas 34 vacas lactantes claudicantes, as quais foram classificadas quanto à locomoção antes e depois do tratamento. Foram diagnosticadas as lesões, avaliados a composição do leite, limiar nociceptivo, realizadas as medidas fisiológicas e imagens termográficas nos membros com e sem lesão. O delineamento experimental utilizado foi o completamente casualizado com medidas repetidas no tempo, onde cada vaca foi considerada uma unidade experimental. Os dados foram submetidos à análise de variância, utilizando o procedimento Mixed do programa estatístico SAS versão 9.0. Vacas claudicantes apresentaram maior sensibilidade à dor. O tratamento reduziu o escore de locomoção e aumentou limiar nociceptivo, além de influenciar os valores de pH e cálcio iônico, pois maiores valores de pH foram observados no dia pré-tratamento enquanto maiores valores de cálcio iônico foram observados no dia 8. Houve pequena associação entre os valores termográficos e os escores de locomoção. Os maiores valores de pH foram encontrados no dia pré-tratamento, (dia -1), para vacas da raça Jersey, animais mais velhos ou para animais mais pesados; enquanto os valores de cálcio iônico foram superiores no 8° dia em relação aos demais dias. Não houve efeito de escores de locomoção alto x baixo sobre a composição do leite. Por outro lado, fatores ligados aos animais como estádio lactacional, peso, número de tratamentos anteriores, ordem de parto, raça e idade influenciaram as características físico-químicas do leite. / Lameness can negatively affect behavior, well-being and productivity, but it is still worthy to explore its effect on the nociceptive threshold, physiological attributes and the physicochemical characteristics of milk. This study aimed to verify the effects caused by the discomfort in severely lame cows on locomotion score, physiological attributes, pain threshold, thermographic variables and physicochemical characteristics of milk and assess improvement in these variables after corrective trimming and digital treatment. Thirty-nine severely lame lactating cows were classified according to locomotion score before and 1 week after trimming. In several days, injuries were diagnosed, milk composition evaluated, nociceptive threshold and physiological measurements were done, besides thermographic images of the hoofs with and without injury. The experimental design was a completely randomized design with repeated measurements over time, and each cow was considered an experimental unit. Data was subjected to analysis of variance using the mixed procedure of SAS statistical software version 9.0. Severely lame cows showed higher sensitivity to pain. Trimming and treatment reduced locomotion score and increased nociceptive threshold, as well as influence the pH and ionic calcium, because higher pH values were observed in the pre-trimming day while larger ionic calcium values were observed on day 8. Cows had higher thermographic values in the affected hoof. There was little association between thermographic values and locomotion scores. Higher pH values were found in the pre-trimming (day -1) in the milk of Jersey cows, older animals or heavier animals; while the ionic calcium values were higher on the 8th day compared to other days. There was no effect of high x low locomotion scores on milk composition. On the other hand, factors related to animals as lactation stage, weight, number of previous trimmings, calving order, breed and age influenced the physicochemical characteristics of milk.
12

Vliv facilitačního kinesio tapingu v oblasti dolních fixátorů lopatek na bolestivost spoušťových bodů v m. trapezius pars descendens / The Effect of Facilitating Kinesio Taping of lower scapula fixators on pain threshold of trigger points in the m. trapezius pars descendens

Bahenská, Eva January 2013 (has links)
Name: The Effect of Facilitating Kinesio Taping of lower scapula fixators on pain threshold of trigger points in the m. trapezius pars descendens Objectives: This study is a pilot study. The goal of this study is to determine effects of Facilitating Kinesio Taping of lower scapula fixators on painfulness of trigger points in the m. trapezius pars descendens. Methods: The study took place in a private medical office with thirteen patients. All of these patients were physically examined using standard tests of physiotherapy. Patients were measured using a pressure algometer to assess trigger points as painful. They reported the intensity of pain on VAS. The places of measurement were trigger points one and two in the muscle according Travell and Simons. Data were analyzed using the statistical program SPSS 15.0 and Microsoft Office Excel. Results: This study had three hypotheses. In the case of the first hypothesis, I concluded that KT has an effect on the pain threshold and its application will reduce the pain threshold in m.trapezius pars descendens. Statistical significance was the value of p = 0.03 and p = 0.011, the value of material significance (101.31 kPa and 106.7 kPa) confirmed my theory that after KT will increase the pressure of 100 kPa in the TrP1 and TrP2. In the second hypothesis, it...
13

Performance and health of dairy cows incompletely milked during the first five days in milk

Krug, Catarina 06 1900 (has links)
No description available.

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