Dra Núria Martín Gairal – Veterinaria Digital

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


Articles of Dra Núria Martín Gairal

Dra Núria Martín Gairal - 13/07/2019

Poultry Farming

Eggshell quality problems

The following article goes trough the main problems that may affect the eggshell formation process, and we mention their main causes.

Dra Núria Martín Gairal - 12/07/2019

Poultry Farming

Eggshell formation

Mineralization process is represented in nature in different ways: bone formation, teeth formation and eggshell formation when we refer to laying hens. The eggshell is produced in the uterus or shell gland by the deposition of calcium carbonate. The...

Dra Núria Martín Gairal - 2/07/2019

Dissemination, Poultry Farming

Physiology of egg laying hens

The egg production is a process of great complexity and that is intensely related to the reproductive organs physiology of the hen. The reproduction of the birds and of the mammals is very different, so much if we speak about their reproductive...

Dra Núria Martín Gairal - 1/09/2016

Feeding, Mycotoxins, Ruminants

Use of liver regenerators in ruminants

The use of products capable of improving or maintaining liver function is increasing in recent years; this is the result of understanding the great role of the liver, for both health and animal production. Some of the most common problems in...

Dra Núria Martín Gairal - 9/08/2016

Dissemination, Mycotoxins, Ruminants


Coccidia that affect ruminants can be divided in two groups according the life cycle type, direct (intestinal) or indirect (extraintestinal). Within the group of intestinal coccidia, different genuses of Eimeriidae family are present, such as...

Dra Núria Martín Gairal - 21/07/2016

Feeding, Preservatives, Ruminants

Use of preservatives in ruminants

Preservatives are substances that protect the food against the deteriorating effects of microorganisms or their metabolites. The traditionally used preservatives, organic acids, are used for their bacteriostatic and fungistatic properties and can...

Dra Núria Martín Gairal - 30/06/2016

Antibiotics, Dissemination, Immunostimulants, Ruminants

Use of immunostimulants in ruminants

Immunostimulants are substances capable of stimulating the immune system, increasing antibody production or increasing the activity of various immune cells. It is also presented as an alternative to the antibiotics, to reduce the presence of...

Dra Núria Martín Gairal - 16/06/2016

Antibiotics, Pharmacology, Ruminants

Antibiotic growth promoters and its natural alternatives in ruminants

The use of antibiotic growth promoters has been continued until about 10 years ago to ensure consistent production. However, its use has declined because of global concern about increasing antibiotic resistance, which leads to a problem in the...

Dra Núria Martín Gairal - 2/06/2016

Dissemination, Swine

Swine parvovirus

Etiology, Pathogenesis and Diagnosis Parvovirus is a very common and important cause of infertility in sows of first pregnancy worldwide. This condition is caused by a DNA single-stranded no enveloped virus; therefore it is very resistant to...

Dra Núria Martín Gairal - 25/04/2016

Dissemination, Pathology, Swine


Erysipelas or 'Swine Erysipelas' is an infectious disease caused by Erysipelothrix rhusiopathiae. This disease is characterized by cutaneous or septicemic pictures, and can also produce arthritis or valve endocarditis when it is...

Dra Núria Martín Gairal - 18/01/2016

Poultry Farming

Factors affecting the egg albumin

In the previous articles were mentioned different methods to measure the internal quality of the egg as is the case of Haugh Units. However, it is also extremely important to know the factors that result in low Haugh Units values.

Dra Núria Martín Gairal

Veterinary Veterinary of technical and registration department at Biovet S.A. Laboratories


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