cattle and pig husbandry exam 2 Flashcards
what are the three major contaminants of water sources
blue green algae
sulfur
fecal contamination
what is the best way to store hay
up off the ground and covered
how much moisture is in haylage compared to dry hay
40-65% vs 12%
haylage has less overall loss
what plant makes straw vs hay
straw is grain
hay is grass
when do we want to harvest hay
before the seed head
what is the appropriate % of NaCl in mineral for cattle
18-24% if it is a trace mineral salt it is not mineral.
what do dairy cows eat
TMR
what is the best evaluation of the cows nutritional status
BCS
what is the goal of the beef cow
produce a weaned calf every year
how many days does the beef cow have to get pregnant
82 days. but its more like 60 bc pp anestrus
how long do you turn the bull out
for three cycles (65d)
what is the goal when breeding beef cows
have 2/3 breed in the first heat cycle
what is the goal of the dairy cow
produce milk
what is the calving interval in the dairy?
in the beef?
dairy: 13.5 mo
beef 12 mo
what is the goal of a US dairy farm? how do they do it
produce the same amount of milk everyday.
so we have to breed year round to keep enough in milk
how do we manage calves in beef vs dairy
beef get one yearly crop
dairy get small groups throughout the year
what is the average amount of pigs per litter? how many litters a year
11.5, 2.2/year
what is the temp range where most older pigs like to be
60-75
why are there slats in the floor
allow manure to pass to the pits. decrease parasites and increase hygiene
how many gallons are nursery pigs drinking
little less than 1 gallon.
what is the ideal BCS of a pig
3/5
how much feed is maintenance for a pig
6lb per pig per day
what is a NPD for a pig
any time a female is not pregnant or nursing
what are the three factors affecting NPD
preservice interval
postservice interval
removal interval
what is the sow cull rate
<40%. but around 30% is the real goal
prefarrowing prep
move to crate 5-7 days before farrowing
bathe
