Dr. David DĂ­ez Arias - Veterinaria Digital

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Magazine of veterinary information, medicine and zootechnics, specialized in the poultry, pig, ruminant and aquaculture sectors

Magazine of veterinary information, medicine and zootechnics, specialized in the poultry, pig, ruminant and aquaculture sectors

Articles


Articles of Dr. David DĂ­ez Arias

Dr. David DĂ­ez Arias - 20/08/2021

Pathology, Poultry Farming

Prevalence of bacteria isolated from broiler livers in Thailand

The liver is considered, together with the intestine, a key organ in intensive poultry farming, since it is responsible for two fundamental functions such as detoxification, and the synthesis of proteins, carbohydrates, and lipids. The first line of...


Dr. David DĂ­ez Arias - 30/06/2021

Poultry Farming, Pronutrients

Coccidiosis control programs based on intestinal optimizer pronutrients

Avian coccidiosis is a parasitic disease of global impact in poultry due to its negative effects on performance and the difficulty in controlling and preventing it. This pathology is caused by different species of protozoa from the genus Eimeria,...


Dr. David DĂ­ez Arias - 14/04/2021

Dissemination, Poultry Farming

Control of zoonosis caused by Campylobacter in Costa Rica

In recent years, concern about food safety has increased globally. Several zoonosis control measures have been implemented in slaughterhouses and food processing plants. Despite this, foodborne diseases still are a problem of great impact for the...


Dr. David DĂ­ez Arias - 8/02/2021

Deodorizer, Poultry Farming

Air quality control in poultry farms in Panama

Air quality control in poultry farms is key to maintain animal welfare, which is closely related to productivity and absence of diseases. When the air components are not in harmless concentrations for the animals, stress appears and makes the birds...


Dr. David DĂ­ez Arias - 5/01/2021

Microbiocide, Poultry Farming, Preservatives

Prevalence and control of necrotic enteritis in South Asia

Prevalence and control of necrotic enteritis in South Asia. Necrotic enteritis is one of the most prevalent poultry diseases globally, as well as in the South Asian region. In this area, the prevalence varies, from 8% to more than 32% depending on...


Dr. David DĂ­ez Arias - 17/12/2020

Feeding, Mycotoxins, Poultry Farming, Pronutrients

Hepatic disorders and their relationship with laying parameters

Egg industry has grown exponentially worldwide in the last 25 years, almost doubling its capacity, and a similar scenario is expected for the next 25. This growth will be accompanied by a marked increase in the world population that will undoubtedly...


Dr. David DĂ­ez Arias - 23/10/2020

Feeding, Microbiocide, Preservatives

Strategies for feed conservation in South Asia

As in any other region of the world, in South Asia there are multiple challenges that threaten the quality of balanced feed and, therefore, the efficiency of farms. The differences with other regions are determined by the weather conditions since...


Dr. David DĂ­ez Arias - 6/08/2020

Immunostimulants, Poultry Farming, Pronutrients

Vaccine failures in poultry

Currently, the poultry industry faces many microbiological challenges that can affect animal health and, consequently, lead to a negative economic impact in poultry farms. This is partly due to the intensification of the production in the recent...


Dr. David DĂ­ez Arias - 25/05/2020

Dissemination, Feeding, Poultry Farming, Pronutrients, Ruminants, Swine

Integrity of the intestinal epithelium in animals

The intestinal epithelium plays an essential role in the growth and maintenance of the animal health. It allows the selective passage of nutrients and avoids that of pathogens and harmful molecules. However, under the current intensive farming...


Dr. David DĂ­ez Arias - 8/05/2020

Mycotoxins, Swine

Mycotoxin incidence in raw materials and feed in the swine industry

Situation in Southeast Asia. The pig industry in Southeast Asian countries has markedly increased in the past 20 years. The increase in population, as well as a moderate industrialization of the sector, have contributed to this growth, although,...


Dr. David DĂ­ez Arias - 2/04/2020

Poultry Farming, Preservatives

Broiler management in the starter phase

The starter phase in broiler farming is a key stage in the production cycle. The length of this period varies depending on the management system, but, generally, it considers approximately the first 14 days of the birds' life. In this phase,...


Dr. David DĂ­ez Arias - 11/02/2020

Nutritionals, Poultry Farming

The importance of intestinal physiology in the egg laying process

Currently, eggs have become one of the most important sources of animal protein, due to their nutritional qualities as well as their social acceptance. For this reason, its production is widespread and, in order to meet the needs of the global...


Dr. David DĂ­ez Arias - 21/11/2019

Farm management, Poultry Farming

PHOTOPERIOD AND LIGHTING PROGRAMS IN BROILERS

PHOTOPERIOD Photoperiod is defined as the hours of light to which the birds are exposed in a period of 24 hours. It is very important in poultry farming, since the metabolic activity and, consequently, the productive parameters, as well as the...


Dr. David DĂ­ez Arias - 10/09/2019

Farm management, Poultry Farming

Heat stress in poultry farming

In animals, certain alterations occur as a reaction against those repeated stimuli that disturb their homeostasis or normal physiological balance. This phenomenon is known as stress. Among the different types of stress, heat is the most frequently...


Dr. David DĂ­ez Arias - 17/04/2019

Microbiocide, Poultry Farming, Preservatives

Impact of necrotic enteritis in birds and its prevention through the use of a natural additive based on cimenol ring

La enteritis necrótica (NE) es una infección aguda producida por el microorganismo gram-positivo Clostridium perfringens, que se caracteriza por la necrosis severa de la mucosa intestinal. Es una de las patologías aviares más importantes a nivel...


Dr. David DĂ­ez Arias - 3/04/2019

Deodorizer, Poultry Farming, Swine

The importance of environmental ammonia levels and their control thanks to Alquernat Yucca

The quality of the environment in farms is a very important factor because animal welfare, productivity and, therefore, economic performance, depend on it. Although certain environmental parameters in farms are controlled methodically and routinely,...


Dr. David DĂ­ez Arias - 27/06/2018

Pathology, Poultry Farming, Pronutrients

Main protozoan diseases in turkeys

The name 'proto-zoa' literally means 'first animals' and the first classification systems grouped the protozoa as basal members of the Animal Kingdom. Protozoa have been classified more recently along with several groups of algae and fungi in the...


Dr. David DĂ­ez Arias - 29/11/2017

Antibiotics, Dissemination, Pharmacology, Poultry Farming, Ruminants, Swine

Antibiotics in animal production, future perspectives and alternatives

The use of antibiotics in animal production is a controversial topic of discussion for a long time. Many discussions have been generated continuously regarding the use and prohibition of antibiotics in animal production, as well as the repercussions...


Dr. David DĂ­ez Arias - 14/11/2017

Dissemination, Pathology

Emerging and opportunistic pathogens

During the recent years, new diseases, or diseases associated with non-pathogenic microorganisms are appearing more frequently under normal conditions. These diseases are due to the so-called emerging pathogens and opportunistic pathogens.


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