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Newcastle disease
Newcastle disease is a severe, systemic, and fatal viral disease of poultry due to virulent strains of avian paramyxovirus type 1. Clinical signs in unvaccinated birds include sudden death, lethargy, and respiratory distress. Diagnosis is based on laboratory confirmation. Vaccines prevent clinical signs but not infection, and the control of the disease is challenging in enzootic regions. Newcastle disease (ND) is an infection of domestic poultry and other bird species with virulent Newcastle disease virus (NDV). Newcastle disease is not a food safety or public health concern. Virulent NDV is capable of producing a devastating disease in domestic fowl, with vast social and economic consequences. It is a worldwide problem that presents primarily as an acute respiratory disease; however, depression, nervous signs, or diarrhea may be the predominant clinical form. Severity of ND depends on the virulence and genetic type of the infecting virus and host susceptibility.
Infectious diseases of poultry are mostly associated with severe economic losses. Many of these diseases once re-emerging or introduced into a geographic area can explode into an epidemic and may have a significant negative effect on international trade. Beside general control approaches like biosecurity, improvement of rearing management, monitoring, and vaccination several governmental measures on control of poultry diseases were adopted in European...
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Deepak Khosla, General Manager of Venky´s India, speaks about immunity of birds and about new solutions, line of products and a vaccination program for the broiler industry....
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Vincristine is an effective therapy for the treatment of canine transmissible venereal tumor (CTVT); however, the time for a complete clinical remission may vary depending on the tumor stage and host status. The aim of this study was to investigate an alternative or adjuvant therapy usingNewcastledisease virus (NDV) for the treatment of CTVT that does not produce side effects and enhances the immune response against the tumor.
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Newcastle disease (ND) is a highly contagious viral disease affecting wild and domestic avian species. It is a worldwide problem that presents primarily as a respiratory disease, but depression, nervous manifestations, or diarrhea may be the predominant clinical form. Mortality is variable. Occurrence of a virulent form of the disease is reportable and may result in trade restrictions. Also known as Exotic Newcastle Disease, Pseudo-Fowl Pest,...
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The Poultry CRC continues to attract exemplary PhD candidates. One of our latest recruits, veterinarian Dr Jemma Bergfeld (based at CSIRO’s Australian Animal Health Laboratory [AAHL]) is set to unravel the mechanisms underlying Newcastle Disease (ND). Caused by virulent strains of avian paramyxovirus type 1 (APMV1), this devastating and...
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MBA (management by being around) And as far as N.D is concerned these both become much more important. MBA includes 1): proper knowledge of condition 2): proper analysis of condition 3):proper decision 4):proper execusion of that decision 5):proper result gatheriing and analysis of result 6):flexible enough to change the decisions when don,t get the expected results. Lacking any one of the above...
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Introduction The Newcastle disease virus in its velogenic form continues to be a serious problem in the poultry industry worldwide. Biosecurity and vaccination measures are the more effective control methods currently available. However, the antigenic and genetic diversity of the virus has put a phylogenetic distance of the current vaccine strains from the recent velogenic isolates found in Central and South America...
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Laboratory testing shows that flies exposed to a food source infected with exotic Newcastle disease (END) can pick up the virus and carry it for several days, perhaps later passing it on to chickens that eat the food. “Flies can carry END virus and evidence is mounting that flies may be able to transmit the virus between chickens,” says Alec Gerry, UC Riverside assistant veterinary entomologist. END is a contagious and fatal viral disease affecting the respiratory,...
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There is huge population of local and cross poultry birds in the rural areas of punjab Pakistan. They are vaccinated against ND,locally produced in Punjab. butt the pervalance of disease is high. ...
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FIGAP 2026: The Scientific And Technological Exhibition Of The Livestock Industry
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Laboratory results received today have confirmed Newcastle Disease on a poultry holding in East Lothian. The results from Veterinary Laboratories Agency in Weybridge follow investigation of suspect disease at the holding in Fenton Barns, Drem. Newcastle Disease is a disease of poultry. It is not Avian Influenza and has no significant implications for public health. In response to this confirmation the Scottish Executive, Defra and the State Veterinary Service are...
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Brazil reported and outbreak of Newcastle disease on a farm in Rio Grande do Sul at Vale de Real on May 2, 2006. The flock contained 44 susceptible birds with 17 cases including 16 deaths, 23 birds were destroyed. The last occurrence of Newcastle in Brazil was in April, 2001. The state of Rio Grande do Sul has 17% of the poultry production and 24% of Brazil’s first half 2006 poultry exports.
The outbreak comes as Brazil is already facing an approximate 6% decline in poultry exports in the...
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How to Prevent and Control Necrotic Enteritis in Poultry to Boost Farm Productivity
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Avian influenza (AI) and Newcastle disease (ND) are poultry diseases of great concern to the poultry industry. The viruses that cause these diseases can be killed by heat. But the exact parameters for inactivating them by pasteurization had not been established—until now.
Agricultural Research Service (ARS) scientists have shown that the same industry-standard pasteurization temperatures and times established for Salmonella inactivation in egg products can also kill AI and ND viruses....
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Yemen has identified Newcastle disease, common among fowl but harmless to humans, as the cause of chicken deaths which have prompted public fears of a possible bird flu outbreak, officials said on Saturday.
An official who asked not to be named told Reuters that Newcastle disease and not bird flu was behind the chicken deaths in poultry farms in the Arab country. He declined to give further details.
Newspapers quoted residents in some areas as saying large numbers of chickens had died,...
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Restrictions introducted following a case of Newcastle Disease in France earlier this year, have been lifted.
On July 19, 2005, the French authorities notified the European Commission and the OIE (World Animal Health Organisation) of a suspicion of Newcastle disease on a pheasant and partridge farm in the Loire-Atlantique departement. The suspicion was confirmed and notification of the outbreak was given on July 27.
All measures imposed by the European Union regulations had been largely...
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The following is a Ministerial Statement by Ben Bradshaw, the Parliamentary Under Secretary for Environment, Food and Rural Affairs, on the recent Newcastle Disease case:
On 11 July 2005, suspicions were raised about the possibility of Newcastle Disease being present in pheasants on an estate in Surrey. We acted immediately on suspicion of disease following the control measures set out in Defra’s Exotic Animal Disease Generic Contingency Plan. The suspect premises were immediately placed...
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Newcastle Disease was confirmed in pheasants on an estate in Surrey on Friday 15th July. The Government is continuing to take balanced precautionary action to control the disease. The Chief Veterinary Officer, Debby Reynolds has reported that by yesterday evening over 5,000 pheasants had been culled humanely.
The Government has activated its contingency plan. Both National and Local Disease Control Centres are in action to ensure effective management of the outbreak.
Veterinary Officers...
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Newcastle Disease has broken out again in Japan. The Japanese authorities have told the OIE (World Animal Health Organisation) that the source of the outbreak is unknown.
Control measures introduced include zoning; all chickens within the affected premises are going to be destroyed; and the premises will be disinfected.
A total of 9,000 chicks were introduced onto the premises on March 29, 2005. These chickens were vaccinated with a Newcastle Disease vaccine on 3 and 4 April 3 and 4. An...
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