# Cottongut - Stage 4 (technology) internal name `cottongut-mk04` · tier 8 (pY science pack 4, [tier 8](https://factorio.kalzumeus.com/tier/8.md)) HTML page: https://factorio.kalzumeus.com/tech/cottongut-mk04/ ## Cost 3300 units of (1 × [pY science pack 4](https://factorio.kalzumeus.com/item/py-science-pack-4.md), 2 × [Production science pack](https://factorio.kalzumeus.com/item/production-science-pack.md), 3 × [pY science pack 3](https://factorio.kalzumeus.com/item/py-science-pack-3.md), 6 × [Chemical science pack](https://factorio.kalzumeus.com/item/chemical-science-pack.md), 10 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 20 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 30 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 60 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md), 10 × [Military science pack](https://factorio.kalzumeus.com/item/military-science-pack.md)), 450 s each. ## Requires (2) - [Cottongut - Stage 3](https://factorio.kalzumeus.com/tech/cottongut-mk03.md) - [pY science pack](https://factorio.kalzumeus.com/tech/py-science-pack-4.md) ## Leads to (0) - none ## Unlocks (5 recipes) ### Cottongut (`caged-cottongut-4`) - 90 s · tier 8 · productivity modules allowed - Ingredients: 23 × [Cottongut pup](https://factorio.kalzumeus.com/item/cottongut-pup.md), 4 × [Moondrop](https://factorio.kalzumeus.com/item/moondrop.md), 2 × [Water barrel](https://factorio.kalzumeus.com/item/water-barrel.md), 3 × [Basic cottongut food](https://factorio.kalzumeus.com/item/cottongut-food-01.md), 1 × [Bedding](https://factorio.kalzumeus.com/item/bedding.md), 5 × [Tuuphra seeds](https://factorio.kalzumeus.com/item/tuuphra-seeds.md), 1 × [Quality cottongut food](https://factorio.kalzumeus.com/item/cottongut-food-02.md), 4 × [Bhoddos](https://factorio.kalzumeus.com/item/bhoddos.md), 10 × [Grod seeds](https://factorio.kalzumeus.com/item/grod-seeds.md) - Results: 2 × [Empty barrel](https://factorio.kalzumeus.com/item/barrel.md), 20 × [Cottongut](https://factorio.kalzumeus.com/item/cottongut.md) - Made in: Prandium lab MK 01, Prandium lab MK 02, Prandium lab MK 03, Prandium lab MK 04 - Unlocked by: [Cottongut - Stage 4](https://factorio.kalzumeus.com/tech/cottongut-mk04.md) ### Cottongut pup (`cottongut-cub-4`) - 20 s · tier 8 · productivity modules allowed - Ingredients: 4 × [Cottongut](https://factorio.kalzumeus.com/item/cottongut.md), 2 × [Moondrop](https://factorio.kalzumeus.com/item/moondrop.md), 3 × [Water barrel](https://factorio.kalzumeus.com/item/water-barrel.md), 10 × [Yotoi aloe seeds](https://factorio.kalzumeus.com/item/yotoi-seeds.md), 3 × [Bhoddos](https://factorio.kalzumeus.com/item/bhoddos.md), 1 × [Bedding](https://factorio.kalzumeus.com/item/bedding.md), 3 × [Basic cottongut food](https://factorio.kalzumeus.com/item/cottongut-food-01.md), 2 × [Filled milk barrel](https://factorio.kalzumeus.com/item/barrel-milk.md), 1 × [Quality cottongut food](https://factorio.kalzumeus.com/item/cottongut-food-02.md), 10 × [Grod seeds](https://factorio.kalzumeus.com/item/grod-seeds.md) - Results: 3 × [Empty barrel](https://factorio.kalzumeus.com/item/barrel.md), 46 × [Cottongut pup](https://factorio.kalzumeus.com/item/cottongut-pup.md), 2 × [Empty milk barrel](https://factorio.kalzumeus.com/item/empty-barrel-milk.md) - Made in: Reproductive complex MK 01, Reproductive complex MK 02, Reproductive complex MK 03, Reproductive complex MK 04 - Unlocked by: [Cottongut - Stage 4](https://factorio.kalzumeus.com/tech/cottongut-mk04.md) ### Cottongut stud MK 04 (`cottongut-mature-basic-mk04`) - 50 s · tier 8 - Ingredients: 9 × [Cottongut stud pup MK 04](https://factorio.kalzumeus.com/item/cottongut-pup-mk04.md), 2 × [Xeno egg](https://factorio.kalzumeus.com/item/xeno-egg.md), 5 × [Navens](https://factorio.kalzumeus.com/item/navens.md), 5 × [Sugar](https://factorio.kalzumeus.com/item/sugar.md), 4 × [Quality cottongut food](https://factorio.kalzumeus.com/item/cottongut-food-02.md) - Results: 7 × [Cottongut stud MK 04](https://factorio.kalzumeus.com/item/cottongut-mk04.md) - Made in: Prandium lab MK 01, Prandium lab MK 02, Prandium lab MK 03, Prandium lab MK 04 - Unlocked by: [Cottongut - Stage 4](https://factorio.kalzumeus.com/tech/cottongut-mk04.md) ### Phase 4 cottongut breeding program (`cottongut-mk04`) - 30 s · tier 8 - Ingredients: 1 × [Cottongut stud pup MK 03](https://factorio.kalzumeus.com/item/cottongut-pup-mk03.md), 50 × [Fetal serum](https://factorio.kalzumeus.com/fluid/fetal-serum.md), 5 × [Growth factor](https://factorio.kalzumeus.com/item/gh.md), 20 × [Artificial blood](https://factorio.kalzumeus.com/fluid/artificial-blood.md), 5 × [Antitumor nanomachines](https://factorio.kalzumeus.com/item/antitumor.md) - Results: 0.003 × [Cottongut stud MK 04](https://factorio.kalzumeus.com/item/cottongut-mk04.md) (0.3% chance), 0.7 × [Cottongut stud MK 03](https://factorio.kalzumeus.com/item/cottongut-mk03.md) (70% chance) - Made in: Reproductive complex MK 01, Reproductive complex MK 02, Reproductive complex MK 03, Reproductive complex MK 04 - Unlocked by: [Cottongut - Stage 4](https://factorio.kalzumeus.com/tech/cottongut-mk04.md) ### Cottongut stud pup MK 04 (`cottongut-pup-mk04-raising`) - 30 s · tier 8 - Ingredients: 2 × [Cottongut stud MK 04](https://factorio.kalzumeus.com/item/cottongut-mk04.md), 1 × [Bedding](https://factorio.kalzumeus.com/item/bedding.md), 2 × [Dhilmo egg](https://factorio.kalzumeus.com/item/dhilmos-egg.md), 3 × [Quality cottongut food](https://factorio.kalzumeus.com/item/cottongut-food-02.md), 5 × [Moondrop](https://factorio.kalzumeus.com/item/moondrop.md) - Results: 1 × [Cottongut stud MK 04](https://factorio.kalzumeus.com/item/cottongut-mk04.md), 0.5 × [Cottongut stud MK 04](https://factorio.kalzumeus.com/item/cottongut-mk04.md) (50% chance), 3.85 × [Cottongut stud pup MK 04](https://factorio.kalzumeus.com/item/cottongut-pup-mk04.md) (70% chance of 3–8) - Made in: Prandium lab MK 01, Prandium lab MK 02, Prandium lab MK 03, Prandium lab MK 04 - Unlocked by: [Cottongut - Stage 4](https://factorio.kalzumeus.com/tech/cottongut-mk04.md)