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.
The optimum age is 15 months or more. She should also be weighing at least 60% of the average weight of the main herd or the body weight of a mature cow that is comprised of similar breeding to her.She must also have good pelvic area and good capacity in her hips and barrel area before she can have a calf.eifers can be bred by the time they â¦ reach between 9 and 18 months of age, (preferably 15 months of age or older) and/or weigh 60% of the average mature cow-herd weight, since some heifers may not be able to be bred until they're ~20 months old, like with most Brahman heifers for instance.