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GING V C NG T C GING TR U B

??c di?m m?t s? gi?ng tr?u b? d? v? dang du?c nu?i ? Vi?t Nam. C?c gi?ng b? s?a:B? H? Lan: (Holstein Frisian) (TK 14)Ngo?i h?nh: Lang tr?ng den, tr?ng d?, den tuy?n (tr?n, vai-b?ng, 4 ch?n, du?i)S?c s?n xu?t: c?i 450 ? 750 kg; d?c 750 ? 1150kg; SS 33-45kg, th?t x? 40-45%. S?a: 5000-8000kg/ck300 n

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GING V C NG T C GING TR U B

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