TURKISH JOURNAL OF VETERINARY & ANIMAL SCIENCES, cilt.23, ss.131-137, 1999 (SCI-Expanded)
Monthly live weights and heights at withers of Brown Swiss and Holstein heifers were compared in the period from birth to 18 months of age between 1991 and 1994. This study was carried out under harsh climatic conditions of Erzurum, situated in North-Eastern Anatolia with an altitude of 1950 m. During the experimental period annual mean temperature was 4.3 degrees C and minimum and maximum average monthly temperatures being -17 degrees C and 19.5 degrees C respectively. Total annual rainfall was 389 mm, and average humidity was 68.4%.