ansci final beef cattle

22%

Cash receipts from BEEF products account for __% of TOTAL Agricultural Receipts.

42%

Cash receipts from BEEF products account for __% of ANIMAL Ag Receipts

beef

cattle meat older than 1yr

veal

cattle meat less than 3m

89 million

total cattle in USA

9%

USA produces _% of worlds cattle

12,000

beef and veal in USA

20%

usa produces __% of worlds beef and veal

grain

what to feed beef cattle in finishing phase right before slaughter

seedstock production

GOAL = Produce breeding stock
- Bulls
- Replacement Heifers
- Frozen Embryos
- Frozen Semen

cow-calf production

first phase of beef production

product: 6-10m old 500lb calf sold at weaning

yearling/stocker

purchase weaned calves

low cost forage/roughage feeds, grow to 600-850lb by 12-16m, sell to feedlot

feedlot

finishing phase

input 600-850lb, finish to market weight using concentrates

goal 1000-1450lb by 18-24m for slaughter

120-150

Feedlots use high-quality feeds to bring cattle to a
suitable slaughter end point in as little time as
possible; usually cattle are fed for ___-___ days.

1,000

ost (80-90%) of fed beef cattle are in feedlots housing
>_____head.

12 months

what is the calving interval

nonseasonally polyestrous

cow estrous cycle

65%, 15

Replacement heifers must be managed so they reach
__% of their projected adult weight by _ months
of age for breeding.

2

Heifers should calve for the first time by _ years of age

infectious agents, non-infectious causes, inadequate colostrum

calf diarrhea/scours causes

bovine respiratory disease complex

most economically important disease affecting cattle industry

causes: infectious agents, weaning, transport “shipping fever”, stress

BSE, mad cow disease

Nervous, Aggressive, Ataxic,
Abnormal posture,
Unable to rise “downer cow”
Muscle twitching, Loss of weight,
Signs progress over weeks to 6 mos
Death

Signalment: Primarily cattle > 3 years of age
(incubation of 2 to 8 years)

2-8 years

mad cow disease incubation

reasons for decrease in small ruminant farming

seasonal, low demand for wool, inadequate profits, decreased government support

24.5-25.5hr

chickens ovulation to egg laying:

30min

chicken how soon after laying an egg will they ovulate another yolk

21d

egg incubation for chickens

75-80wks, 1.5yr

when are commercial laying hens replaced

20-25%

what % less of eggs do hens produce in their 2nd year

induced molt

decrease resources (food) to stop egg production, lose and re-grow feathers, and rest/repair the reproductive tract

extend hen’s productive life to 110 wks (2yr)

forage/roughage

feed for cow-calf production

forage/roughage

feed for stocker/yearling production

concentrates, forage

feed for feedlot production

orf, soremouth

poxvirus, scabby/crusty sores on small ruminants mouth, udders, feet, transmitted through direct contact, supportive care and resolves spontaneously

5-8m

swine first estrus

7-9m, 2nd or 3rd cycle

when to breed swine for first time

2m

dog and cat pregnancy

3 months 3 weeks 3 days

pig pregnancy

5m

sheep and goat pregnancy

9m

cattle pregnancy