Weather lowdown. After July â the hottest month of the year for New York, USA â the weather starts to cool down in August. During this month, the average temperature for the city begins at 23Â°C, created by highs of 27Â°C during the daytime and lows of 19Â°C after dark, and drops down to 21Â°C, created by highs of 25Â°C dur... Read more.
Ref: K. Lusby. Replacement beef heifers should attain 65 to 70% of their potential mature weight by the time they are bred at 14-15 months of age. This would mean that heifers should gain an average of 1.25 to 1.75 lb. per day from weaning to first breeding or 250 to 350 lbs.during the first winter (depending on breed).ef: K. Lusby. Replacement beef heifers should attain 65 to 70% of their potential mature weight by the time they are bred at 14-15 months of age. This would mean that heifers should gain an average of 1.25 to 1.75 lb. per day from weaning to first breeding or 250 to 350 lbs.
Holstein heifers can be bred at 13 months of age, when they weigh about 800 pounds. It is desirable to have Holstein females calve for the first time between 23 and 26 months of age.hysical Characteristics. Holsteins are large, stylish animals with color patterns of black and white or red and white. A healthy Holstein calf weighs 90 pounds or more at birth. A mature Holstein cow weighs about 1,500 pounds and stands 58 inches tall at the shoulder.