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Mastitis
Mastitis is an inflammation of the mammary gland which is usually associated with an intra-mammary infection. It is caused by several types of bacteria, like E. coli or Staphylococcus aureus, although it can also be caused by some fungus species, microplasms, yeasts and viruses.
Affected species
Cattle
Sheep
Goats
Mastitis is one of the most common and costly illnesses in the dairy industry.
Risk Factors
01
Milking method (manual or automatic)
02
Hygiene of the milking mechanisms
03
Udder hygiene
04
Udder dipping
05
Hygiene of the livestock farmer
(hand-washing)
06
Cow’s no. of births
Main Causal Agents
Causal Agent
Origin
Type of Mastitis
SCC
E. coli
Environmental
Mastitis caused by E. coli
Moderate
Staph. aureus
Udder, Skin Contagion
Subclinical
High or Very High
Str. agalactiae
Udder
Subclinical
Very High
Str. disgalactiae
Udder / Skin
Clinical
High
Str. uberis
Environmental / Poor Hygiene
Subclinical
High
Str. pyogenes
Environmental
Clinical
High
A. pyogenes
Environmental
Acute or Chronic Clinical Mastitis
Very High
TRANSMISSION OF MASTITIS IN ANIMALS
The organisms that cause mastitis live in different environments (fecal matter, bedding, skin, etc.). The primary source of contagion is contact with the infected mammary gland, mostly through milking machines, employees’ hands and nursing calves who have contact with the infected udders.
MASTITIS SIGNS AND SYMPTOMS
We distinguish between:
- Clinical mastitis: Inflammation and pain at the udder, altered milk (due to the presence of coagulates, peeling, discolored whey and at times blood).
- Subclinical mastitis: The cow seems healthy, the udder shows no sign of inflammation and the milk seems normal. However, there is a large number of microorganisms and white blood cells in the milk (somatic cells) that are combatting the infections.
- Acute mastitis: fever, racing pulse, loss of appetite, acute drop in milk production.
ECONOMIC LOSSES
Mastitis vaccination ROI calculator
Know the economic benefits and the return on investment of vaccinating with our vaccine.
MASTIVAC
Polyvalent inactivated vaccine for mastitis in bovine livestock in injectable suspension.