ほとんどの乳牛は自然交配牛で産まれますが、近年、家畜人工授精の導入も増

ほとんどの乳牛は自然交配牛で産まれますが、近年、家畜人工授精の導入も増えてきております。凍結精液は、スイス、アメリカからの輸入品が主です。

結果 (英語) 1:

Cow Most born in natural mating cattle, in recent years, the introduction of livestock artificial insemination are also increasing. The frozen semen, Switzerland imported goods, from the United States is the primary.

結果 (英語) 2:

Most cows are conceived by natural mating cows, but in recent years has been increasing also introduced cattle artificial insemination. Frozen semen is imports from Switzerland, the United States is the key.

結果 (英語) 3:

Most milk cows are born with a natural mating cow, but in late years the introduction of the domestic animal artificial insemination increases, too. As for the freeze sperm, Switzerland, import goods from U.S.A. are important.