For those wanting to be especially dedicated to breeding the best Natrelmon, this will be the skill to take.

Novice Breeder
Level 1
Increased reproduction rate by all Natrelmon in the breeder's breeding program by 1.

Nature's Course
Level 15
Increased reproduction rate at the time of of breeding for any Natrelmon with an Uncommon or lower type.

Intermediate Breeder
Level 20
Increased PT by all Natrelmon in the in the breeder's program by 2.

Breeding Specialization
Level 25
Increases PT by 1 and EP by 1 for Natrelmon of two selected types. These types also gain a small boost to power.

Breeder's Choice
Level 30
Increases the number of uses of one move in one Natrelmon in each 'litter' by 1 use.

Journeyman Breeder
Level 35
Increased PT and EP by 1 to all Natrelmon in the breeder's breeding program. This is doubled for the specialization types.

Darwinism
Level 45
In place of taking eggs from a pairing, a breeder can increase a + in a stat for each egg they forgo. However, this Natrelmon cannot crossbreed (this also applies to any offspring) and the increases cannot exceed one + in each stat.

Master Breeder
Level 50
Allows G type Natrelmon to breed.