scholarly journals Re-emergence of bovine haemorrhagic septicaemia in Hungary

2017 ◽  
Vol 65 (1) ◽  
pp. 41-49 ◽  
Author(s):  
Tibor Magyar ◽  
Barbara Ujvári ◽  
Levente Szeredi ◽  
Norbert Virsinger ◽  
Ervin Albert ◽  
...  
Keyword(s):  
Pasteurella Multocida ◽  
Animal Health ◽  
Small Farm ◽  
Beef Calves ◽  
Haemorrhagic Septicaemia ◽  
Lymph Node Enlargement ◽  
Laboratory Examinations ◽  
Serotype B ◽  
Loss Of Appetite ◽  
World Organisation

This paper reports an outbreak of haemorrhagic septicaemia caused by Pasteurella multocida B:2 in beef calves, a disease that has not been described in the Hungarian literature since 1943, and has not been reported to the World Organisation For Animal Health (OIE) since 1970. Acute haemorrhagic septicaemia was confirmed in beef calves on one small farm, and was suspected on two further nearby holdings with concomitant unexplained losses. The source of the infection could not be determined. Apart from a short duration of depression and loss of appetite, the affected calves developed characteristic distal limb oedema. Gross findings in two calves submitted for laboratory examinations included subcutaneous oedema and haemorrhages on serous membranes, and in one case severe pharyngeal lymph node enlargement was observed. Histological examinations revealed lesions characteristic of septicaemia. Moderate to large amounts of Pasteurella antigens were detected in all organs tested by immunohistochemistry. Two isolates of P. multocida (Pm240, Pm241) were cultured from these cases and examined in detail. These were identified as P. multocida ssp. multocida biovar 3. Both were toxA negative and belonged to serotype B:2. Multilocus sequence typing was used to assign these to a new sequence type (ST64) that is closely related to other haemorrhagic septicaemia causing strains of P. multocida regardless of the host.

scholarly journals Molecular Characterisation of the GdhA- Derivative of Pasteurella multocida B:2

2021 ◽  
Vol 44 (1) ◽  
Author(s):  
Farahani Muhammad Azam ◽  
Mohd. Zamri-Saad ◽  
Raha Abdul Rahim ◽  
Pramote Chumnanpuen ◽  
Teerasak E-kobon ◽  
...  
Keyword(s):  
Pasteurella Multocida ◽  
Vaccine Candidate ◽  
Animal Health ◽  
Proteomic Profiling ◽  
Robust Identification ◽  
Sds Page ◽  
Pcr Method ◽  
Potential Vaccine ◽  
Free Ranging ◽  
World Organisation

Pasteurella multocida B:2 is an important veterinary pathogen causing fatal and acute haemorrhagic septicaemia (HS) in bovine. A live vaccine candidate, P. multocida B:2 GDH7 was reported to enable protection in cattle and buffaloes via intranasal (i. n.) administration. This potential vaccine was also reported to be self-transmitted from the vaccinated animal to the free-ranging animals allowing wider vaccination coverage. Prior to commercialisation, this potential vaccine requires further characterisation in accordance with the authoritative guidelines from the World Organisation for Animal Health (OIE). Hence, in this study, the potential vaccine strain, P. multocida B:2 GDH7 and the virulent parent strain were characterised through genomic and proteomic profiling. A crucial first step was to develop a sensitive yet simple and robust identification test to differentiate both strains which has been achieved by the development of a precise yet straightforward PCR method. In genomic profiling, Repetitive Extragenic Palindromic sequence-PCR (REP-PCR) was manipulated and both strains have a different display of genomic DNA band patterns. Some of the major OMPs were observed and prominent immunogens of P. multocida, OmpA and OmpH were observed to be expressed differently between these strains through SDS-PAGE analysis. In conclusion, a reproducible PCR detection method has enabled differentiation of both strains. Further characterisation of these strains shows a significantly different profile through genomic and proteomic profiling.

scholarly journals First detection of Pasteurella multocida type B:2 in Hungary associated with systemic pasteurellosis in backyard pigs

2015 ◽  
Vol 63 (2) ◽  
pp. 141-156 ◽  
Author(s):  
Barbara Ujvári ◽  
Levente Szeredi ◽  
László Pertl ◽  
Gergely Tóth ◽  
Károly Erdélyi ◽  
...  
Keyword(s):  
Small Area ◽  
Pasteurella Multocida ◽  
Sequence Type ◽  
Type B ◽  
Chain Reaction ◽  
Haemorrhagic Septicaemia ◽  
Gene Typing ◽  
Polymerase Chain ◽  
Serotype B ◽  
Backyard Pigs

This is the first report of Pasteurella multocida type B in Hungarian pigs. This disease was observed in backyard-raised pigs in three households within a small area. Neither the source of the infection nor the epidemiological connection between any of the premises could be determined. The most consistent lesion was dark red discolouration of the skin of the ventral neck and brisket, with accompanying oedema and haemorrhages. The morbidity was low and lethality relatively high, with three dead (50%) and two euthanised (33%) out of six affected animals. A total of three isolates of P. multocida (P55, P56 and P57) were cultured from these cases and examined in detail. These were identified as P. multocida ssp. multocida biovar 3. All were toxA negative and belonged to serotype B:2. Multilocus sequence typing was used to assign these to a new sequence type (ST61) that is closely related to other haemorrhagic septicaemia causing strains of P. multocida regardless of the host. M13 polymerase chain reaction and virulence-associated gene typing also show that type B strains form a highly homogeneous, distinct phylogenic group within P. multocida.

scholarly journals PREPARATION AND COMPARATIVE EVALUATION OF HAEMORRHAGIC SEPTICAEMIA VACCINES USING EOLANE-150 AND EOLANE-170 AS OIL ADJUVANTS FOR CATTLE AND BUFFALO

2020 ◽  
Vol 36 (1) ◽  
pp. 78-84
Author(s):  
W. Shahzad ◽  
B. Zameer ◽  
S. H. Sanghi ◽  
S. Hussain ◽  
N. Mustafa
Keyword(s):  
Immune Response ◽  
Pasteurella Multocida ◽  
Dry Weight ◽  
Economic Losses ◽  
Bacterial Antigen ◽  
Serum Samples ◽  
Prophylactic Measure ◽  
Post Vaccination ◽  
Haemorrhagic Septicaemia ◽  
Serotype B

Haemorrhagic septicaemia (HS) caused by Pasteurella multocida serotype B:2 is an economically important disease of cattle and buffalo, causes heavy economic losses due to sudden death of animals in developing countries like Pakistan. In this country, animals are vaccinated by alum (adjuvant) precipitated vaccine twice a year. Immunity induced through this prophylactic measure lasts for 3-4 months only. Two new HS oil based vaccines were prepared by using two new oil adjuvants such as Eolane-150 and Eolane-170. The ratio of bacterial antigen and oil adjuvants was 1:1 while bacterial dry weight was adjusted to 2 mg/ml. The addition of enrichments and aeration resulted in dense bacterial growth of Pasteurella multocida. Both new vaccines passed sterility, safety and potency tests as per OIE, 2017. Active and passive Mouse Protection Tests were performed to evaluate its potency. Indirect Haem-Agglutination (IHA) test was conducted on serum samples of two rabbits, groups each of which was vaccinated with HS oil based vaccines adjuvanted with Eolane-150 and Eolane-170. IHA indicated that immune response was higher (GMT=32) initially on 45th day to 75th day post vaccination and then declined (GMT=16) in the rabbits vaccinated with HS vaccine adjuvanted with Eolane-150, while protective immune response remained constant (GMT=16) up to ninety days post vaccination in the rabbits vaccinated with HS vaccine adjuvanted with Eolane-170. Vaccines were easy to inject with no side effects, including swelling at the injection site and longer protection as well. That would hopefully motivate the livestock owners and farmers to use this new product to protect their animals against this fatal HS disease.

scholarly journals First outbreak of bovine haemorrhagic septicaemia caused by Pasteurella multocida type B in Spain – Short communication

2020 ◽  
Vol 68 (1) ◽  
pp. 8-11 ◽  
Author(s):  
Inmaculada Cuevas ◽  
Alfonso Carbonero ◽  
David Cano ◽  
Isabel L. Pacheco ◽  
Juan C. Marín ◽  
...  
Keyword(s):  
Pasteurella Multocida ◽  
Economic Losses ◽  
Type B ◽  
Beef Calves ◽  
Haemorrhagic Septicaemia ◽  
Source Of Infection ◽  
Initial Stage ◽  
Pure Cultures ◽  
Ventral Area ◽  
Autogenous Vaccine

AbstractThis paper describes the first documented outbreak of haemorrhagic septicaemia (HS) caused by Pasteurella multocida type B in cattle in Spain. This acute, highly fatal septicaemia causes major economic losses in cattle and buffaloes in many areas of Asia and Africa. In other species and in European countries it is an infrequently reported disease. Acute septicaemic pasteurellosis occurred in a free-range farm of 150 cattle and 70 beef calves in Southern Spain. Twenty-one calves and one cow were affected, of which three calves and the adult cow died. Postmortem examination revealed characteristic oedema in the ventral area of the neck and the brisket region, and widespread haemorrhages in all organs. Pure cultures of P. multocida were obtained from all tissues and organs studied. The aetiological agent was further confirmed by molecular and biochemical analysis as P. multocida capsular type B, biovar 3. Although the source of infection could not be determined, wildlife may play an important role. The use of tulathromycin in the initial stage of the disease might be related to the low morbidity and mortality of this outbreak. After using an autogenous vaccine no more cases of HS were observed.

scholarly journals Development of a Safe and Highly Efficient Inactivated Vaccine Candidate against Lumpy Skin Disease Virus

Vaccines ◽  
2020 ◽  
Vol 9 (1) ◽  
pp. 4
Author(s):  
Janika Wolff ◽  
Tom Moritz ◽  
Kore Schlottau ◽  
Donata Hoffmann ◽  
Martin Beer ◽  
...  
Keyword(s):  
Skin Disease ◽  
Animal Health ◽  
Vaccine Virus ◽  
Lumpy Skin Disease ◽  
Virus Shedding ◽  
Clinical Protection ◽  
Inactivated Vaccines ◽  
Disease Free ◽  
World Organisation ◽  
Free Status

Capripox virus (CaPV)-induced diseases (lumpy skin disease, sheeppox, goatpox) are described as the most serious pox diseases of livestock animals, and therefore are listed as notifiable diseases under guidelines of the World Organisation for Animal Health (OIE). Until now, only live-attenuated vaccines are commercially available for the control of CaPV. Due to numerous potential problems after vaccination (e.g., loss of the disease-free status of the respective country, the possibility of vaccine virus shedding and transmission as well as the risk of recombination with field strains during natural outbreaks), the use of these vaccines must be considered carefully and is not recommended in CaPV-free countries. Therefore, innocuous and efficacious inactivated vaccines against CaPV would provide a great tool for control of these diseases. Unfortunately, most inactivated Capripox vaccines were reported as insufficient and protection seemed to be only short-lived. Nevertheless, a few studies dealing with inactivated vaccines against CaPV are published, giving evidence for good clinical protection against CaPV-infections. In our studies, a low molecular weight copolymer-adjuvanted vaccine formulation was able to induce sterile immunity in the respective animals after severe challenge infection. Our findings strongly support the possibility of useful inactivated vaccines against CaPV-infections, and indicate a marked impact of the chosen adjuvant for the level of protection.

Sign in / Sign up

Export Citation Format

Share Document