Dairy Herd
Mostrando 25-36 de 99 artigos, teses e dissertações.
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25. Análise epidemiológica de um surto de mastite bovina em uma propriedade leiteira no Estado do Rio Grande do Sul. / Epidemiological analysis of an outbreak of bovine mastitis in a dairy herd in the state of Rio Grande do Sul
A mastite bovina é responsável por grandes prejuízos econômicos em rebanhos leiteiros em todo o mundo devido à diminuição da produção de leite, gastos com medicação, descarte e perda na qualidade do leite. O objetivo do trabalho foi de analisar, através de métodos epidemiológicos, um surto de mastite bovina ocorrido em uma propriedade leiteira
Publicado em: 2010
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26. Mastite subclínica: patógenos isolados e respectiva sensibilidade antimicrobiana, variação da contagem de células somáticas e fatores de risco / Subclinical mastitis: pathogens and their sensitivity antimicrobial variation of somatic cell count and factors risk
This study was conducted on 12 dairy farms and in laboratories Bacteriology and Quality of Milk, both of the School of Veterinary Medicine Federal University of Goias objective of this study to characterize the microorganisms in milk from cows with subclinical mastitis and relate the pathogens identified with the variation of cell count somatic (CCS), also i
Publicado em: 2010
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27. An outbreak of winter dysentery caused by bovine coronavirus in a high-production dairy cattle herd from a tropical country
O coronavirus bovino (BCoV) pode causar a diarreia de inverno (WD - Winter Dysentery) ao infectar bovinos adultos, particularmente em regiões de clima temperado ou frio. A morbidade da doença é alta, resultando em queda na produção de leite e, consequentemente, perdas econômicas. No presente estudo, é descrito um surto clássico de WD acometendo um re
Brazilian Archives of Biology and Technology. Publicado em: 2009-11
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28. Relação entre problemas reprodutivos e eficiencia reprodutiva comparada por diferentes métodos em rebanhos bovinos leiteiros
The study aimed to collect a dataset indexes to calculate and compare the reproductive efficiency of dairy cattle herds using different methods, combining the results with the incidence of reproductive problems, such as abortion, uterine infection grades 1, 2 and 3 , ovarian cysts and retention of placenta. The frequencies of these diseases were respectively
Publicado em: 2009
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29. Análise energética da produção de leite bovino na Fazenda Experimental Professor Hamilton de Abreu Navarro ICA/UFMG, em Montes Claros MG
This work aimed to analyze the energy spent on milk production of bovine dairy herd at Fazenda Experimental Professor Hamilton de Abreu Navarro FEHAN (Experimental farm), from Instituto de Ciências Agrárias da UFMG, in Montes Claros MG. The search for more efficient sustainable production systems is gaining importance in the national and international scen
Publicado em: 2009
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30. Parâmetros genéticos de características reprodutivas de touros e vacas Gir Leiteiro / Genetic parameters for reproductive traits of bulls and cows Dairy Gyr breed
Data of 2,274 semen output from 200 sires, 7,055 measurements of age at first calving (AFC) from females and 141 measurements of scrotal circumference (SC) were used to determine genetic parameters for reproductive traits of males and females of Dairy Gyr breed. Were studied physical aspects such as volume (VOL), concentration (CONC), vigor (VIG), motility (
Publicado em: 2009
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31. Bacia do ribeirão Cachoeira de Cima, Itapagipe (MG) : avaliação ambiental integrada e alternativas de uso / Ribeirão Cachoreira de Cimas Basin, Itapagipe (MG): Environmental and Integrated evaluation and use alternatives
Ribeirão Cachoreira de Cimas watershed is located in the municipality Itapagipe, west mesoregion portion of Triângulo Mineiro and Alto Paranaíba (Minas Gerais) and presents a system of fundamental importance for the municipality because its responsible for the water supply to the urban population and for taking part of the county s dairy herd, which has i
Publicado em: 2009
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32. AvaliaÃÃo da presenÃa de PapilomavÃrus bovino em sÃmen de touros (Bos taurus)
Papillomaviruses (PV) are viruses that contain double strand DNA and can infect the squamous epithellium of the skin and mucosa. There are 10 different types of BPV (BPV-1 to 10) and they can cause serious diseases in dairy herds or cutting, creating great economic losses to farmers in Brazil and other countries. The presence of BPV has been detected in repr
Publicado em: 2009
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33. Mycoplasmosis in cattle dairy calves: underlying factors for the occurrence and manifestation of the syndrome granular vaginitis / Micoplasmose em bovinos de aptidão leiteira: fatores predisponentes para a ocorrência e manifestação da síndrome vulvovaginite granular
The reduction of reproductive rates is measured by the reduction in the number of calves born that immediately reflected in the reduction of milk production and profitability of commercial property. The effect is the increased administrative costs of maintenance with dry cows, higher rates of rejection and a higher number of doses of semen for conception. Pa
Publicado em: 2009
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34. AVALIAÇÃO MERCADOLÓGICA E DE PRODUÇÃO AGRÍCOLA, VISANDO A PROPOSIÇÃO DE SISTEMAS AGROFLORESTAIS PARA A MESORREGIÃO SUDOESTE DE MATO GROSSO DO SUL / MERCADOLÓGICA EVALUATION IN AGRICULTURAL PRODUCTION, VISANDO A PROPOSAL FOR SAF FOR MESORREGIÃO SOUTHEST MATO GROSSO IN SOUTH
The present work was perceived in municipal district of Dourados/MS, mesoregion southwest of Mato Grosso do Sul, with he purpose of meeting the socio-demographic profile and the habits of consumers shopping of fruits and vegetables, and obtain social indications and agroeclogical develop models for planning of production systems based on agroforestry sistems
Publicado em: 2009
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35. Medidas de rentabilidade de vacas leiteiras
Os objetivos neste trabalho foram definir funções econômicas para vacas leiteiras, classificar os animais por seus valores genéticos estimados (EBV) para cada uma destas medidas de rentabilidade e estimar correlações entre esses valores. As informações utilizadas foram provenientes de rebanhos participantes do programa da DHIA (Dairy Herd Improvement
Revista Brasileira de Zootecnia. Publicado em: 2008-09
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36. Desenvolvimento de um sistema fuzzy para detecção de estro em rebanhos leiteiros / Development of a fuzzy system for estrous detection
Production losses due to lack of precision in detecting estrus in dairy cows are well known and reported in milk production countries. As a result of technical progress in monitoring dairy cows using fuzzy logic automatic estrous detection has become possible by allowing the estimation of the moment of the estrous onset with minimum error. The objective of t
Publicado em: 2008