# Cottongut stud MK 02

Pyanodons item · internal name `cottongut-mk02` · type `module` · stack size 50 · first craftable in tier 4 (pY science pack 2, [tier 4](https://factorio.kalzumeus.com/tier/4.md))
HTML page: https://factorio.kalzumeus.com/item/cottongut-mk02/

## Produced by (3 recipes)

### Phase 2 cottongut breeding program (`cottongut-mk02`)

- 30 s · tier 4
- Ingredients: 1 × [Cottongut stud pup](https://factorio.kalzumeus.com/item/cottongut-pup-mk01.md), 50 × [Fetal serum](https://factorio.kalzumeus.com/fluid/fetal-serum.md), 1 × [DNA polymerase](https://factorio.kalzumeus.com/item/dna-polymerase.md), 20 × [Artificial blood](https://factorio.kalzumeus.com/fluid/artificial-blood.md)
- Results: 0.005 × [Cottongut stud MK 02](https://factorio.kalzumeus.com/item/cottongut-mk02.md) (0.5% chance), 0.5 × [Cottongut stud](https://factorio.kalzumeus.com/item/cottongut-mk01.md) (50% chance)
- Made in: Reproductive complex MK 01, Reproductive complex MK 02, Reproductive complex MK 03, Reproductive complex MK 04
- Unlocked by: [Cottongut - Stage 2](https://factorio.kalzumeus.com/tech/cottongut-mk02.md)

### Cottongut stud MK 02 (`cottongut-mature-basic-mk02`)

- 50 s · tier 4
- Ingredients: 3 × [Cottongut stud pup MK 02](https://factorio.kalzumeus.com/item/cottongut-pup-mk02.md), 3 × [Dried grod](https://factorio.kalzumeus.com/item/dried-grods.md), 2 × [Rennea](https://factorio.kalzumeus.com/item/rennea.md), 1 × [Quality cottongut food](https://factorio.kalzumeus.com/item/cottongut-food-02.md), 1 × [Cadaveric arum](https://factorio.kalzumeus.com/item/cadaveric-arum.md)
- Results: 2 × [Cottongut stud MK 02](https://factorio.kalzumeus.com/item/cottongut-mk02.md)
- Made in: Prandium lab MK 01, Prandium lab MK 02, Prandium lab MK 03, Prandium lab MK 04
- Unlocked by: [Cottongut - Stage 2](https://factorio.kalzumeus.com/tech/cottongut-mk02.md)

### Phase 3 cottongut breeding program (`cottongut-mk03`)

- 30 s · tier 6
- Ingredients: 1 × [Cottongut stud pup MK 02](https://factorio.kalzumeus.com/item/cottongut-pup-mk02.md), 50 × [Fetal serum](https://factorio.kalzumeus.com/fluid/fetal-serum.md), 25 × [Pluripotent stem cells](https://factorio.kalzumeus.com/fluid/psc.md), 20 × [Artificial blood](https://factorio.kalzumeus.com/fluid/artificial-blood.md), 5 × [Alien enzymes](https://factorio.kalzumeus.com/item/alien-enzymes.md)
- Results: 0.004 × [Cottongut stud MK 03](https://factorio.kalzumeus.com/item/cottongut-mk03.md) (0.4% chance), 0.6 × [Cottongut stud MK 02](https://factorio.kalzumeus.com/item/cottongut-mk02.md) (60% chance)
- Made in: Reproductive complex MK 01, Reproductive complex MK 02, Reproductive complex MK 03, Reproductive complex MK 04
- Unlocked by: [Cottongut - Stage 3](https://factorio.kalzumeus.com/tech/cottongut-mk03.md)

## Used in (2 recipes)

- Compost 1 × Cottongut stud MK 02 (`biomass-cottongut-mk02`, tier 1) → [Biomass](https://factorio.kalzumeus.com/item/biomass.md)
- Cottongut stud pup MK 02 (`cottongut-pup-mk02-raising`, tier 4) → [Cottongut stud pup MK 02](https://factorio.kalzumeus.com/item/cottongut-pup-mk02.md)