Raising rex dinosaurs

Raising rex dinosaurs for bottled dinosaur roars
Profit per instance
1,099,853 per instance
Activity time
2 minutes
Minimum recurrence time
24 hours
Effective profit
32,995,584 per hour
Skill requirements	Quest requirements
106 (increased yield at 112 and 118) 42 (90 strongly recommended for yield)	None
Item requirements	Other requirements
A breeding pair of Bagrada rex (player-owned farm), Corbicula rex (player-owned farm) or Pavosaurus rex (player-owned farm) Master farmer outfit recommended for increased experience Grace of the elves and luck of the Dwarves recommended for Seren spirits	Breeding pen and large pens constructed at the Anachronia Dinosaur Farm. Studly or virile perks on the breeding pair recommended. Studly is better than virile. Rabbit tier 2 farm totem perk recommended.
Experience gained	Location
120,407.4 from pavosaurus rex, see table below	Anachronia Dinosaur Farm
Inputs (195,048)	Outputs (1,294,901)
216 × Raw beef (195,048)	161.6 × Bottled dinosaur roar (1,294,901) 1,597 × Beans (0)
Details

Bottled dinosaur roars are used in high level potions (for example vulnerability bombs). Raising rex dinosaurs with the goal of getting these roars can be profitable while also giving a lot of farming experience. With an optimal setup, seven animals can be growing at all time on average, using a single breeding pair in the breeding pen. Higher level dinosaurs give more experience and resources.

The strategy for this method is as follows:

• Go to the Anachronia Dinosaur Farm. It can be reached from a Max Guild garden skilling portal (including through grace of the elves), or the mystical tree upstairs in the Manor Farm.
• Check the large pens and breeding pen. Any animals should be health checked, and any non-breeding elder animals should be removed. Make sure the troughs have enough food to last until your next visit.
• Check the breeding pen. If the large pens have space, move non-breeding animals to large pens.
• If all pens are full, temporarily replace breeding animals with a male and a female adult animals (if possible). It is better to have animals with bad perks breeding than no animals breeding at all. This way, you can have up to 10 animals growing at the same time.
• If space is available again, put the breeding pair back in the breeding pen.
• Sell elder animals (except breeding pair) for beans or to other players.

It is recommended to check once or twice per day to maintain the 7 animal average. Higher level animals grow slower and make maintaining the average easier, but it is feasible to do this with any of the large pen dinosaurs.

Maintaining food in the large pens is not required, but healthy and happy animals give significantly more experience than sick ones. The produce remains the same. Meat can be purchased from the grand exchange or from Fresh Meat after As a First Resort.

This table details the expected returns at each level, assuming 7 animals growing at the same time on average:

Level	Animal	Roars per day	Profit per day	Experience per day	Beans per day
106	Bagrada rex (player-owned farm)	129.16	839,947	107,637.1	1,334.7
112	Corbicula rex (player-owned farm)	150.55	1,011,321	115,808.8	1,478.49
118	Pavosaurus rex (player-owned farm)	161.6	1,099,848	120,407.4	1,596.98

A comparison of all dinosaurs can be found on this subpage.

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