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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.
1

Comportamento alimentar, Parâmetros Hematológicos e População de Ciliados Ruminais em ovinos da raça Crioula Lanada Serrana / The ingestive behavior, hematologic parameters and ciliate rumnal populations in lambs of the crioula wool serrana breed

Schmidt, Luciano Zacca 01 November 2006 (has links)
Made available in DSpace on 2016-12-08T16:24:07Z (GMT). No. of bitstreams: 1 PGCV06MA055.pdf: 446840 bytes, checksum: d29d16e3496cd8a5392464b7e5ac68ef (MD5) Previous issue date: 2006-11-01 / This study centered on the effects of the age at the 120, 180 and 240 days, concerning the feeding behavior and the ponderal performance of twenty-one lambs from the Crioula Wool Serrana breed. The experiment was held in a farm located at Ponte Alta, SC. The lambs were weaned with 60 days of age and kept in 5-hectare enclosures, fed with native grass and missionary grass (Axonopus sfissifolius) in association with rye-grass cultivated (Lollium perene L.) and red clover (Trifolium pretense L.) with water and mineral salt ad libitum. At night the lambs were kept in the pasture and did not have any additional food. The animals were vermifugated and vaccinated against enterotoxemy. Samples of 10 ml from the jugular vein were collected, with the addition of 3 ml Etileno-diamino-tetraceticodissodic anti-coagulant of 10%, by employing 0,1 ml in each 5ml of blood for the hematologic exams, while the other 7 ml remaining were left to coagulate and its serum used for the biochemical analises.1 ml of blood was collected from the Marginal artery ear for the settlement of the hemogasometric values. The behavioral data were obtained through visual observation, in the field, at each five minutes, during three daily consecutive periods of ten hours, in experimental age strips, corresponding to the months of december 2004, february and april 2005. Two weighings were made at each 14-day period, making a total of 1 weighings in all. The data were analyzed with delineation entirely casualized in factorial structure for sex and age. There was no effect (P<0,05) of interaction between age and sex or of te sex factor for the analyzed variables / Foram estudados os efeitos de idades aos 120, 180 e 240 dias, sobre o comportamento alimentar e o desempenho ponderal de 21 cordeiros, sendo 11 fêmeas, da raça Crioula Lanada Serrana. O experimento foi realizado num estabelecimento pecuário no município de Ponte Alta, SC. Os cordeiros foram desmamados aos 60 dias e mantidos em piquetes de cinco hectares, em pastagem naturalizada de grama missioneira (Axonopus sp) associado à pastagem cultivada de azevém (Lollium perene L.) e trevo vermelho (Trifolium pratense L.) com água e sal mineral ad libitum. Os animais foram vermifugados e vacinados contra enterotoxemia. Foram colhidas amostras de 10 mL de sangue venoso da veia jugular, desta forma uma sub-amostras de 3 mL foram adicionado anticoagulante Etileno-diamino-tetracéticodissódico EDTA, na concentração de 10%, utilizando-se 0,1mL em cada 5mL de sangue para os exames hematológicos e sub-amostras de 7 mL foram deixados para que coagulassem sendo o soro utilizado para as dosagens bioquímicas. Da artéria marginal da orelha coletou-se 1 mL de sangue para determinação hemogasométrico. Os dados comportamentais foram obtidos por observação visual, a campo, a cada cinco minutos, por três períodos diários consecutivos de doze horas, nas faixas etárias experimentais, correspondendo aos meses de dezembro de 2004, fevereiro e abril de 2005. Efetuaram-se pesagens a cada quatorze dias, totalizando quinze pesagens.apresentando os machos Os dados foram analisados em delineamento inteiramente casualizado em estrutura fatorial para sexo e idade. Não houve efeito (P>0,05) de interação entre idade e sexo e do fator sexo para as variáveis analisadas

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