A six days old male boy circumcised 3 days back. After that, he developed decreased feeding decreased respiratory rate decreased urine output. His CBC, WNL creatinine 0.25, CRP negative, sodium, potassium WNL, heart rate 130, respiratory rate 27, CFT less than 3, Spo2-92%.

Baby taking breasts feed every 2 hours but urine out put is low and respiration rate is around 27. How to explain low respiratory rate?