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COMMON PROBLEMS AND CAUSES OF EGGSHELL QUALITY

29 , Nov 2023

1) PALE-SHELLED EGGS?

CAUSES:

  •   1. Infectious bronchitis
  •   2. Bird age (older hen)
  •   3. High stress in the flock
  •   4. Egg Drop Syndrome 76
  •   5. Use of chemotherapeutic
  •   6. agents (i.e. sulfonamides and nicarbazin)
 

2) LILAC EGGS/PINK EGGS?

CAUSES:

  •   1. Stress
  •   2. Excess calcium in the feed
 

3) DIRTY EGGS?

CAUSES:

  •   1. Wet droppings
  •   2. Large amounts of indigestible compounds in the feed
  •   3. Poor gut health
  •   4. Electrolyte imbalance/saline water
 

4) BLOODY EGG?

CAUSES:

  •   1. Rupture of a blood vessel on the surface of the yolk
  •   2. Cutting the blood vessel in the fallopian tube wall
  •   3. Deficiency of vitamin A and K in chicken feed
  •   4. The large size of the egg in old chickens, which causes stretching and pressure on the lower area, which may cause bleeding.
  •   5. Thin eggs may break inside the body and cause bleeding.
 

5) SHELL-LESS EGGS?⋅

CAUSES:

  •   1. Immature shell gland
  •   2. Disease: Avian Influenza
  •   3. NDV, infectious bronchitis,
  •   4. Egg Drop Syndrome 76
  •   5. Inadequate nutrition: Calcium, phosphorus, manganese, or vitamin D3
 

6) SOFT-SHELLED EGGS?

CAUSES:

  •   1. Excessive phosphorus consumption
  •   2. Heat stress
  •   3. Bird age (older hen)
  •   4. Saline water
 

7) CRACKS?

CAUSES:

  •   1. Heat stress
  •   2. Saline water
  •   2. Bird age (older hen)
  •   3. Inadequate nutrition: Calcium and vitamin D3
  •   4. Mycotoxins
 

8) CORRUGATED EGGS?

CAUSES:

  •   1. Heat stress
  •   2. Saline water
  •   3. Bird age (older hen)
  •   4. Poor nutrition, especially calcium and vitamin D3
  •   5. Mycotoxin
 

9) WRINKLED EGGS?

CAUSES:

  •   1. Stress
  •   2. Infectious bronchitis
  •   3. Defective shell gland
  •   4. Overcrowding
 

10) PIMPLED EGGS?

CAUSES:

  •   1. Bird age
  •   2. Strain of bird
  •   3. Inadequate nutrition
 

11) CALCIUM COATED EGGS?

CAUSES:

  •   1. Defective shell gland
  •   2. Disturbances during calcification
  •   3. Excess calcium in the diet
 

12) MOTTLED SHELLS?

CAUSES:

  •   1. High humidity in the shed
  •   2. Disease and mycotoxins
  •   3. Manganese deficiency
  •   4. Overcrowding
 

13) BROKEN AND MENDED?

CAUSES:

  •   1. Stress during calcification
 

14) MISSHAPEN EGGS?

CAUSES:

  •   1. Immature shell gland
  •   2. Disease: Avian Influenza NDV, infectious bronchitis, Egg Drop Syndrome 76
  •   3. Stress
  •   4. Overcrowding
egg quality