A survey of goat and cattle diseases in the Artibonite Valley, Haiti, West Indies [0.03%]
海地.Artibonite谷山羊和牛疾病调查研究报告
H P Veit,F McCarthy,J Friedericks et al.
H P Veit et al.
A 40 week study of 43 farmers, 60 goats and 60 cattle was conducted in order to identify abnormal conditions or diseases and predisposing seasonal, managemental or nutritional factors. Farms were visited, farmers interviewed and animals exa...
A B Sasiak,A Sebesteny,G Hrivnak et al.
A B Sasiak et al.
Gnotobiotic mice with congenital immune deficiencies were infected with the skin pathogen Dermatophilus congolensis. Athymic (nude) mice with T cell deficiency were less susceptible than nude mice which also carried the beige mutation (beig...
A F Gomes
A F Gomes
Amongst the Amblyomma species presently known to be capable of transmitting Cowdria ruminantium six have been recorded in Angola. A. pomposum is the most important and widely distributed. Of secondary importance are A. variegatum, which pre...
Progress towards a vaccine against Theileria parva: relevance for heartwater research [0.03%]
东非恶虫病瘤丝虫疫苗研究进展——对心水病研究的意义
D J McKeever
D J McKeever
Such progress has been made in the last decade in the characterization of bovine immunity to Theileria parva. The evidence is overwhelming that cattle that become immune through infection can clear subsequent challenge infections by deployi...
Simulation of infestation risk of cattle by gastro-intestinal trichostrongylids in a tropical humid climate [0.03%]
热带雨牧区反刍动物胃肠道蝇尾线虫病感染风险的模拟研究
G Aumont
G Aumont
The population dynamics of trichostrongylid third stage larvae (L3) around bovine dung were fitted with non-linear models (marginal law) in tropical humid climate in different climatic situations. These marginal models were combined with th...
Vaccination against heartwater using in vitro attenuated Cowdria ruminantium organisms [0.03%]
利用体外减弱的Cowdria ruminantium生物进行心水病疫苗接种
F Jongejan,S W Vogel,A Gueye et al.
F Jongejan et al.
Sequential passage of Cowdria ruminantium (Senegal isolate) in cultures of bovine umbilical endothelial cells has resulted in loss of virulence without loss of immunogenicity, as previously demonstrated. We have carried out further immuniza...
A Gueye,M Mbengue,T Dieye et al.
A Gueye et al.
The results of a study on the abundance of Amblyomma variegatum in different ecological zones and of Cowdria ruminantium infection rates in nymphal and adult ticks of the North Guinean zones are given. Joint research is also conducted on th...
Use of serological response to evaluate heartwater immunization of cattle [0.03%]
应用血清学反应评价牛心水病的免疫效果
J A Lawrence,A P Whiteland,J Malika et al.
J A Lawrence et al.
Frozen blood vaccine containing the Ball 3 strain of Cowdria ruminantium is prepared by an FAO/DANIDA Project in Malawi for the immunization of improved dairy cattle against heartwater. The immunogenicity of vaccine batches for cattle has b...
Comparative Study
Revue d'elevage et de medecine veterinaire des pays tropicaux. 1993;46(1-2):211-5. DOI: 1993
Occurrence of caprine leucocyte antigens (CLA) in Creole goats susceptible/resistant to heartwater [0.03%]
心水病易感/抗性克里奥尔山羊的白细胞抗原(CLA)出现情况
G Ruff,J C Maillard,E Camus et al.
G Ruff et al.
A genetic predisposition to the manifestation of disease symptoms has been demonstrated for heartwater in certain goat lines. In order to clarify a possible involvement of the major histocompatibility complex (MHC) in the pathogenesis of he...
The development of antibody to Cowdria ruminantium in mice and its role in heartwater disease [0.03%]
牛体瘤病毒抗体的发育及其在水牛病中的作用
B Byrom,S M Mahan,A F Barbet
B Byrom
DBA/2 and Balb/c mice were used as a model to study the immune responses to Cowdria ruminantium. Both strains of mice were inoculated with 1, 10 or 100 LD50 of the Crystal Springs strain of C. ruminantium. Antibody to C. ruminantium started...