301-350 Flashcards
A dairy cow that has all 8 permanent incisor teeth can be considered to be a minimum of _ old.
4 years
Milk let down in a diary cow may be stimulated by:
Feeding the cow
The hormone _ stimulates milk let down and may be administered via injection, when necessary after parturition.
Oxytocin
A cow w/high lactation persistence is important duke a dairy’s economic success. Lactation persistency is:
Cows Milk production this month divided by production last month x 100
To dairymen the most harmful disease impacting milk production and their economic bottom line is:
Mastitis
A dairy cow may not reach her highest milk yield until she is:
5-9 years old
Colostrum given k a baby calf more than _ hours old is NOT absorbed and thus does little good
24
Normal body temp. For a dairy cow is _.
101.5 degrees F
Cows produce pheromones which:
Attract the opposite sex
Allelomimetic behavior is defined as :
The tendency for a group of animals to do the same at the same time
Dairy cattle have a _ field of vision to their front.
300+ degree
Many dairy men “dock” the tail in their cows much to the chagrin of Animals Rights groups. Hey believe this is necessary to:
Reduce the incidence k mastitis
Manure management is a major concern for most modern, large scale dairies. The newest management techniques being used involve:
Collecting the methane has being produced and using it as an energy source on the dairy
Proponents of global warming having accused vows of being a major factor. This is due to their release of:
Carbon dioxide gas
The breed of dairy cow generally creditors with producing the highest % of both milk fat and protein is the
Jersey