How to prevent and treat Postpartum Breast Edema in Dairy cows

Breast edema in dairy cows is a kind of perinatal metabolic disorder, especially in the first fetus, which can disappear about 15 days after delivery. However, when the disease is serious, it will last for a long time, and it is difficult to dissipate by itself.

Dairy cow breast edema

1. Clinical symptoms

The disease generally has no systemic symptoms, the whole or part of the cow's breast edema, skin tension, shining, painless, like dough. When pressing with your fingers, there are depressions, swollen nipples become thick and short, and milking is difficult. The breast edema of seriously ill cows often droop, resulting in hind limbs opening and standing, movement difficulties, easy to cause external damage, such as the whole breast swelling nodules, milk production significantly decreased, resulting in breast atrophy.

two。 Pathogeny

The main results are as follows: (1) at the end of pregnancy, due to the pelvic fetal pressure, the blood flowing into the breast increased, but the blood outflow from the breast did not increase accordingly, resulting in an increase in venous pressure. (2) feeding with high concentrate before delivery. (3) the supply of trace elements is not balanced and the intake of sodium chloride, potassium salt and water is too much. (4) the antioxidant function of the body is abnormal. (5) Endotoxin metabolism disorder.

3. Precautionary measures

The main results are as follows: (1) the amount of concentrate feed should be strictly controlled in the last 3 weeks of pregnancy, which is generally 4-6 kg.

(2) sick dairy cows should exercise properly, feed with digestible and nutritious feed, and appropriately reduce the amount of succulent feed, concentrate and water. Limit the use of salt, which generally accounts for 1% of the full-price diet.

(3) Hot compress and massage on the breast to increase the number of milking has a certain auxiliary effect on the regression of edema.

(4) the addition of antioxidants such as vitamin E and zinc in dairy cow feed can alleviate the occurrence of breast edema.

4. Treatment method

(1) give the cow a breast massage, 3 times a day, 15-30 minutes each time, and hot compress the breast after massage.

(2) intramuscular injection of furosemide (furosemide) at a dose of 0.5 mg / kg body weight for 2 consecutive times. You can also use 25% glucose solution 500 ml, 10% calcium gluconate solution 500 ml or 5% calcium chloride solution 250 ml, magnesium sulfate 80% 100 ml, 10% sodium coffee 20 ml, intravenous injection for 3 days.

(3) cows can be fed with plantain, fresh and unlimited.