65. Mycoplasmosis + mastitis

Question 1

Avian Mycoplasmosis

Answer 1

M. galliepticum
M.meleagridis
M.iowae

Question 2

Mycoplasmosis Clinical findings

Answer 2

> Respiratory diseases: lung lesions
Decrease egg production and growth rate
Respiratory distress, nasal discharge, swelling of
paranasal sinus

Question 3

Mycoplasms

Answer 3

Fastidious,
No cell wall
Vulnerable to common disinfectants

Question 4

Treatment

Answer 4

Given in feed/water for 5-7 days (or inj: turkeys)

Tetracyclines: OTC, CTC, doxycline
Macrolides + lincosamides:
> Erythromycin, Tilmicosin, tylosin, Lincomysin
Fluroquinolones: Enrofloxacin, diflofloxin
Others
> Tiamulin, spectinomycin, florphenicol

Question 5

Swine Mycoplasmosis

Answer 5

M. hyopneumonia
>Viral and enzoonotic pneumonia

Prevention: 
    >Improve housing + husbandry, 
    >ventilation and overcrowding
    > Medication + vaccination
    > All in all out

Question 6

Mastitis

Answer 6

Subclincal,
Clincal
Acute
Chronic

Question 7

Subclinical Mastitis

Answer 7

no medicine
Freq + latent
Economical loss: Incr. somatic cell #
Correct hygeine

Question 8

Clincal Mastitis

Answer 8

Visible abnormal milk
Inflammation: Udder changes
1.Mild: Local signs
2. Severe: rapid onset, systemic involvemment
      > Fever, anorexia, shock

Question 9

Acute

Answer 9

Sudden onset
Decr. Production
Serous milk/ fibrin clots
Severe inflam symptoms

Question 10

Chronic

Answer 10

subclinical, latent for months

Question 11

Mastitis: Prevention

Answer 11

Hygiene
  > Permilking germicide (ionophore)
  > Clean equipment after use
Udder hair removal
Clean dry bedding ans udder
Nutritional management: Na+ and K+ intake
Prevent frostbite and fly exposure

Question 12

Mastitis treatment:

Answer 12

1. Acute: Stripping, AB (systemic + intra-mammary), fluid therapy (electrolytes)
   > Anti-inflam, analgesics, anti-pyretics
2. Sub acute: Intra-mam: AB infusion, stripping
3. Chronic: treat flare up, cull cow
4. Subclinical: treat during dry period: inflamm AB

Question 13

Mastitis:

> Systemic drugs

Answer 13

Broad spec, good penetration (Cross Blood milk barrier)
> Florfenicol
> B-Lactam: Penthamat, ceftiofur, ceftiquine
> Fluroquinolones: Danofloxacin, marbofloxacin
> Tetracyclines: OTC
> Anti-inflam:
- NSAIDs: Ketoprofen
- Glucocorticoids: Dexmetazome
> Others
- Ca- gluconate
- Isotonic solution

Question 14

Mastitis

> Intramammary infustions

Answer 14

Strip out 1st
Lactating cows: water emulsions (shorter WP)
Dry cows: Oil based (longer DOA)
**No corticosteroids**
- Penicillins
-Cephalosporins
-Aminoglycosides (Neomycin)
- Macrolides + lincosamides (Erythromycin, lincomycin)
- Norobiocin
-Colisitn