Common Lesions of the Mammary Gland (Udder)

 

 

Mammary gland abscess Mammary gland abscess
The above two photos are examples of draining abscesses in the udder
Mammary gland abscess Mammary gland abscess
Both photos above are examples of mammary gland abscesses. These will usually be confined to one quarter. The light pink tissue in the left photo is more normal tissue. The tissue in the right photo is reddened and inflamed.
Udder tumor
This is a tumor on the udder.
Udder rot Udder rot
Udder rot Udder rot
The four photos above are examples of Udder Rot, ulcerative lesions on the udder. This type of lesion is commonly found between the front two quarters of the udder in older cows. Lesions like this are also found between the udder and the hind legs in heifers.
Mastitis Mastitis
Mastitis
The above three photos are examples of mastitis. If this type of mastitis progresses, the quarter could die and slough off.
Mastitis
The white area of this udder is due to infection (mastitis)and necrosis (death) of the tissue. The red tissue below is more normal mammary gland tissue.
The following photos are from a cow with mastitis. All four quarters are involved. They are hard and contain clear colored milk. The red areas of the udder are the most affected.
Mastitis Mastitis
Mastitis

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Normal udder for comparison

Common Lesions

Necropsy of the udder