Cow multiply by factor of 0.7 so, if you have 10 cows the probability is that you will get 7 calves per year. Out of these seven calves 3 or 4 will be male. So, you can expect 3 or 4 female calves per year. But this does not happen, practically because the mortality rate … Continue reading HOW TO SAVE CROSS BREED COW CALVES