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Unformatted text preview: 8.28.09 Animal Reproduction E c o n o m ic s of R e p r o d u c t i o n : $2 Billion cost to livestock industry annually due to subpar fertility (in the United States alone) Issues to consider: Dairy Cattle : 21 day pregnancy rate = 14%-this means that cows must be inseminated and pregnancy to have lactation-21 days is the length of a cycle in a cow, but only 14% of cows that were bred actually get pregnant-It costs $3.00 per day per cow to stand open (or be eligible to get pregnant, but cant get pregnant) It costs farmer $63.00 to miss a cows heat. Beef Cattle : Pregnancy rate is about 75 to 80% in the US. Overall about 65%-There would be $55 million dollars extra if the pregnancy rate was increased by 1% Sheep : We need to increase multiple pregnancies-a ewe can carry two pregnancies just as sufficiently as one-sheep cycle seasonally starting in fall-gestation in sheep is 5months, so if a ewe gets pregnant September 1 st , it is born in February, weaned in April, and goes to market (It would be better to use lighting and hormones to breed the...
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This note was uploaded on 09/07/2009 for the course V SC 315 taught by Professor - during the Spring '09 term at University of Arizona- Tucson.
- Spring '09