Preguntas Frecuentes

• Feed change during egg production peak.
• Feed transition period too short, large formula adjustment.
• Use of vaccines during feed transition.
• Feed change during disease recovery.
• Intestinal diseases during feed change.
• High antibody dispersion in flock, viral diseases occur.
• Feed mold.
• Imbalanced feed nutritional ratio or oxidation in feed raw material storage, causing nutrient loss.

Synovitis mycoplasma is a chronic disease, main transmission methods are horizontal and vertical transmission. Clinical manifestations in chicks and juveniles: Feed intake does not increase or cannot keep up with age growth, flock prefers to lie down, tail drooping, fluffy feathers, laying hens’ clinical manifestations are slow rise in egg production rate, soft-shelled eggs. Clinical necropsy: Swollen leg joints, swollen claws, swollen breast keel cysts with fluctuation, initially colorless viscous liquid in cysts, later developing into yellow blocky caseous material. In severe cases, especially with respiratory involvement, bronchi or fallopian tubes have yellow caseous blockages.

Prevention for this disease:

• Strengthen feeding management. Especially regular use of cod liver oil or vitamins.
• Reasonable control based on local prevalence.
• During drug treatment or injection, pay attention to liver protection.

Symptoms:

• Laryngotracheal Type: Respiratory distress, head up and neck extended, emitting loud wheezing sounds, coughing or shaking head with bloody sputum, bloody sputum often attached to water troughs, feed troughs or cages, individual chickens have blood-streaked secretions on the head; laryngeal bleeding, trachea with bloody mucus or blood clots, yellowish-white fibrinous caseous pseudomembrane, etc.
• Conjunctival Type: Conjunctival lesions mainly serous conjunctivitis, manifested as conjunctival congestion, edema, sometimes petechial hemorrhage. Sick chickens have swollen eyelids, especially lower eyelids, some develop fibrinous conjunctivitis, corneal ulcers; laying hens have decreased egg production, increased deformed eggs.

Prevention Measures:

• Vaccine immunization prevention. In areas where the disease is prevalent, vaccination can be used, currently used vaccines include attenuated vaccines, the best route for attenuated vaccines is eye drops, another is strong virulent vaccine, only for anal swabbing.
• For diseased flocks, symptomatic treatment and vaccination can be used.