There's a 50% chance that a cow will give birth to a bull calf. Same with heifers. Therefore the ratio is 1:1 that a cow will be mother to a bull (bull calf) or a future cow (heifer calf)
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4 of each. Horses: 28 + 4 = 32 Cows: 36 + 4 = 40 Horses: cows = 32 : 40 = 4 x 8 : 5 x 8 = 4 : 5
Sex ratio denotes the ratio of males to females in a population. The primary sex ratio is the ratio at the time of conception, secondary sex ratio is the ratio at time of birth, and tertiary sex ratio is the ratio of adult human beings. According to CIA estimates the current world sex ratio at birth is 107 boys to 100 girls. In 2010 the global sex ratio was 986 females to 1000 males, which got further reduced to 984 females to 1000 males in 2011.
Approx 0.48, based on the global birth gender ratio for 2012.
It means to give birth: We have special holding pens were our cows a placed to parturate their calves.
Currently there is not a number 10 on the Chicago Bulls.