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Sunday, March 29, 2020

A Downers Cow Syndrome

A Downer Cow Syndrome

A Downers Cow Syndrome
A Downers Cow Syndrome
1-Definition: A downer cow is a cow that is unable to rise in standing position after 24 hours.
A downer cow is a cow that laying more than 24 hours and can not get up.
It is a condition in cattle that usually occurred due to hypocalcemia.
It is characterized clinically by prolong recumbency.

2-Types of Downer:

  1. ALERT DOWNER: The animal that is unable to stand but eat and drinks normally
Causes:  
  1. Dislocation of joints
    A Downers Cow Syndrome
    A Downers Cow Syndrome
  • Fracture of leg pelvis or spine 
  • Rupture of gastrocnemius tendon

     2-Calving injury: Too big of calf to pass from pelvis
     cow strain too long to pull out the calf
     Obturator nerve paralysis
NON-ALERT DOWNER
  1. Downer with depression: Animal is recumbent and not eat or drink anything
CAUSES: Metabolic
  1. Parturient paresis
  2. Grass Tetany
  3. Ketosis
  4. Fatty liver
  5. Late-stage of hypophosphatemia
    A Downers Cow Syndrome
    A Downers Cow Syndrome
Digestive:
  1. Acute infection
  2. Traumatic reticuloperitonitis
  3. Chronic diarrhea<Dehydration>
Infectious diseases causing Downer
  1. Septic Metritis
  2. Acute Metritis
  3. Acute laminitis
  4. Acute Peritonitis
  5. Septic Arthritis

4-Clinical Symptoms:

  1. Complete absence of appetite
  2. Absence of defecation and rumination
  3. Absence of ruminal movement
  4. Drop-in milk yield
  5. Signs of dehydration
  6. Tachycardia
  7. Temperature is usually high

5-Diagnosis:

  1. Examining of locomotory system, especially hind limbs
  2. Examining the udder
  3. Infectious cases usually with fever

6-Hopeful Cases:

  1. Hind limbs are in normal position
  2. Animal try to stand 
  3. Animal eats and drinks well

7-Hopeless Cases:

  1. Severe nerve damage
  2. dislocation of hip joint
  3. Both hind limbs are spread laterally
  4. Absence of voluntary movement

8-Hygenic Treatment:

  1. Comfortable bedding and roll the cow side to side  daily
  2. palatable feed and a good quantity of water
  3. Massage of limb may be successful especially muscle
  4. Body Slang<Machanically raising the cow with chain>

9-Supportive Treatment:

  1. injection of electrolytes contain calcium magnesium phosphate
  2. Large quantity of fluid therapy by oral and parental route
  3. Poly vitamins include A,B,D,E etc
  4. Antiinflammatory drugs
    A Downers Cow Syndrome


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