====== batch 4 log ======

  * **2026-09-16 (Wednesday)** — Hatching: 5 chicks hatched, 4 eggs still to hatch.
    - 1 chick died during hatching.
    - 2 chicks drowned.
    - Surviving: 2 chicks.
  * **2026-09-16 (Wednesday)** — Started liver tonic + vitamin doses + amino acids for batch 4 chicks (same supportive course as batch 1-3; 3-5 days, max 7).
  * **2026-09-24 (Thursday)** — Clutch moved from brooding hen to incubator: hen abandoned the nest after the first chick hatched.
  * **2026-09-24 (Thursday)** — Remaining 4 eggs all hatched alive, but 3 of the new chicks have leg issues (suspected splayed legs).
  * **2026-09-29 (Tuesday)** — 2 more chicks died (leg injury + weakness). Surviving: 4 chicks.
  * **2026-09-29 (Tuesday)** — Amprolium in water again (2nd day of the course).