ldc-legaulois/database/seeders/Development/SubmeatSeeder.php

<?php

namespace Database\Seeders\Development;

use App\Models\Meat;
use App\Models\Submeat;
use Illuminate\Database\Seeder;

class SubmeatSeeder extends Seeder
{
    /**
     * Run the database seeds.
     *
     * @return void
     */
    public function run(): void
    {
        foreach (Meat::all() as $meatModel) {
            // @phpstan-ignore-next-line
            Submeat::factory(5)->make()->each(function (Submeat $submeat) use ($meatModel) {
                $submeat->meat()->associate($meatModel);
                $submeat->save();
            });
        }
    }
}