This is the 14323rd most frequent Russian word.
отечественного
"Of the fatherland" or "domestic."
Here, 'отечественного' is an adjective describing 'производителя' (manufacturer), indicating someone or something from one's own country, emphasizing domestic origin.
Мы стремимся развивать отечественного производителя.
We strive to develop the domestic manufacturer.
In this sentence, 'отечественного' modifies 'продукта' (product), again highlighting its domestic provenance or creation within the country.
Качество отечественного продукта существенно улучшилось.
The quality of the domestic product has significantly improved.
The adjective 'отечественного' describes 'животного' (animal), specifying that the animal is from the same country or locality as indicated.