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Debbra Marcel's Author Profile

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Recent Articles by Debbra Marcel

Usage of bioreactor in producing Salmonella antigen as a Salmonella biological control in poultry

One of the effective methods controlling Salmonella in poultry is by regularly monitoring farm with salmonella antigen. As a step towards biomass production, this antigen has been optimized in bioreactor as an alternative from the conventional method that currently us

Biogas production from a small holder dairy farm in Selangor

The growing interest in anaerobic biotechnology has been closely associated with the benefit of energy and nutrient recovery while achieving the objective of pollution abatement. The main reasonfor the breakthrough of the anaerobic waste treatment method presumably li

Preliminary study on natural occurrence of Aflatoxins, Zearalenone and Fumonisins in grain maize grown in Peninsular Malaysia

The maize plant and kernel are prone to infection by fungal attack and are most likely to be contaminated with mycotoxins under suitable temperature and humidity conditions, during both the growing and storage period. The aim of this study is to evaluate the occurrenc

Incidence of Listeria monocytogenes in dairy and food products of animal origin in central region of Peninsular Malaysia

Listeria monocytogenes is a foodborne pathogen which causes listeriosis, an illness characterized by meningitis, encephalitis and septicemia, especially in immunocompromised individuals, elderly and pregnant women. It has been reported that several outbreaks

Mycotic encephalitis and pulmonary-nephromycoses infection in Irrawaddy dolphin - A case report

Irrawaddy dolphin also known as Orcaella brevirostris was listed as critically endangered species in the whole world by The World Wide Fund for nature (WWF) (Elliot, 2009). On Feb 2017, a carcass of male Irrawaddy Dolphin, weight 120 kg with 2 meters length was

Prox's system systematic management in biochemistry laboratory of Veterinary Services Department Malaysia

Biochemistry Laboratory is one of the laboratories that conduct livestock nutrient analysis involving major nutrient analysis such as dry matter, protein, fiber, fat, total ash, nitrogen-free extracts, total digestible nutrients, metabolisable energy, neutra

Retrospective study on Foot and Mouth Disease (FMD) positive cases from 2014-2017 in Peninsular Malaysia

Malaysia had experienced Foot and Mouth Disease (FMD) outbreak as early as in 1909. Since then, the disease is endemic in Peninsular Malaysia until now. A retrospective study on the FMD vaccination and outbreak data from 2014-2017 was conducted to evaluate t

Detection of Avian Reovirus in commercial broiler-breeder chicken in Johor, Malaysia by Reverse Transcriptase Polymerase Chain Reaction

Avian reoviruses (ARVs) are members of the Orthoreovirus genus in the family Reoviridae. These viruses were recognized to be associated with many avian diseases such as tenosynovitis, respiratory and enteric diseases, hydropericardium, pericarditis, myocardi

Development of Bacilli ID system for Bacillus species identification in VRI

This paper reports on the development of Bacilli ID system, which is a formulated spreadsheet in Microsoft Excel to assist in Bacillus species identification. In VRI Bacteriology Laboratory, we received about 25,000 samples annually for bacterial is

Comparative evaluation of RBPT and CFT for detection of Brucella antibodies from ruminants

Brucellosis is an economically important zoonotic disease which is endemic in many countries. The screening is based mainly on serological testing including Complement Fixation Test (CFT) and Rose Bengal Plate Test (RBPT).  CFT is time-consuming and tec

The comparison of immune response of Newcastle Disease Virus vaccine in Specific Pathogen Free (SPF) village chickens

Immune response of ND vaccine 1174/08 strain that was developed at Veterinary Research Institute (VRI) was tested. The objective of this study was to compare the immune response of SPF and village chickens to live ND vaccine 1174/18 strain (NDVAC-1174/2008).

Hygiene and safety of meat from local abattoir: A survey on public concerns

Greater urbanisation in Malaysia has led to raise in public health concern on food safety issue. Production of local meats (beef and mutton) in Malaysia are below 23% from self-sufficiency and depending on importation. This study was conducted as to investig

Rabies diagnostic management

Rabies is a notifiable re-emerging fatal zoonotic disease of mammals, which becomes a global public health threat. Lately, multiple outbreaks in Perlis, Kedah, Penang (2015) and Perak (2017) affected the country’s Rabies free status. Subsequently, Sara

Rapid and simple approach identification of Pasteurella multocida serogroup A, B dan D by Direct PCR from colony

Pasteurella multocida and its serogroups is an important zoonotic pathogen which can have a considerable impact in livestock as well as damaging economic impact. The infection of this bacteria can cause a range of diseases to wild and domesticated animal as

Effect of natural mating and artificial insemination on pregnancy rates in synchronised swamp buffaloes

Buffaloes are hardy animals that can survive under rough condition and are known to be a slow breeder. Their poor reproductive performance has contributed to the reduction of ovulation, declining in the reproductive performance and thus affecting the calving

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