transitioning to finishing diet

Question 1

diets are formulated to (5)

Answer 1

incr growth rate
incr feed eff
incr animal health
incr carcass quality
reduce cost of gain

Question 2

current market desire fopr body fat

Answer 2

29-29%

Question 3

3 stages of feedlor diets

Answer 3

receiving
step up
finishing

Question 4

receiving diets are adapted to higher grain diets over how many days

Answer 4

21-28

Question 5

reduced performance is seen in animals adapted in ___ weeks or less

Answer 5

2

Question 6

final finishing diets include ____% concentrate and ___% protein

Answer 6

80-95% concentrate
13.5% protein

Question 7

sources of roughage

Answer 7

small grain silages
corn silage
alfalfa

Question 8

ionophores are used to

Answer 8

improve feed efficiency

Question 9

desires feed efficiency

Answer 9

7-5.5 kg feed/ 1kg gain

Question 10

desired ADG

Answer 10

1.2 - 2 kg/d

Question 11

consequences of moving from weaning straight to finishing diets
what breeds does this work best on

Answer 11

reduced finishing weights
earlier and rapid fat deposition
works best on larger frame breeds

Question 12

objectives of step up diets (4)

Answer 12

minimize digestive upset
allow microbes to adjust to starch
allow epithelium to adapt (increase papillae area)
minimize feed intake fluctuations

Question 13

why do feedlots want to eliminate roughage

Answer 13

pain to handle and manage
reduces feed efficiency
high cost of gain

Question 14

step up strategies can vary in(3)

Answer 14

number of step up rations fed
number of days of adaptation for each diet
degree of feed restriction

Question 15

max DMI %BW

Answer 15

2.5%

Question 16

typical time for a step up transition

Answer 16

21-28d

Question 17

do yearlings or calves step up quicker

Answer 17

yearlings

Question 18

how to introduce rumensin, why

Answer 18

introduce at half dose for 1wk due to low palatability

Question 19

typical time for each step

Answer 19

3-7d

Question 20

alternative diet adaptation strategy

Answer 20

make two diets and vary how much of each goes in the feeder to make a correct ratio

Question 21

transition time depends on

Answer 21

how much total time you have available

Question 22

microbial adaptation

Answer 22

shifts ruminal fermentation
grater SCFA production
greater propionate
higher risk for lactate production

Question 23

what do you want to see on an intake graph at peak intake

Answer 23

long plateau, no drop

Question 24

why does intake drop eventually

Answer 24

animal begins putting on fat

Question 25

how many step up rations do backgrounding and finishing use

Answer 25

backgrounding is 3-4 finishing is 6-8

Question 26

at each step the amount of concentrate increased by ___%

Answer 26

10%

Question 27

traditional step up

Answer 27

5 diets with 5 day changes, changes happening in afternoon feed

Question 28

accelerated step up

Answer 28

3 diets with changes being made in 2 days changes in afternoon feeding

Question 29

two ration blending

Answer 29

vary % of forage or concentrate diet put in each feeder minimized number of diets that need to be mixed

Question 30

restricted feeding

Answer 30

improves feed efficiency during finishing restricted to 1.25% of BW hard to ensure everyone is getting enough

Question 31

objectives of feed bunk management

Answer 31

keeps animals eating consistently max animal performance min digestive upset

Question 32

two feeding options

Answer 32

ad lib (higher wastage) slick bunk (most common)

Question 33

slick bunk feeding

Answer 33

never have bunk empty for more than 30 mins associated with improved performance, reduced sorting, and less wastage

Question 34

most important thing to make sure you have sustained growth

Answer 34

steady intake

Question 35

bunk reading

Answer 35

read between 430-500 should be fully empty by 7 start feeding at 730 feed 40%am and 60% pm

Question 36

how much can you change feed amount by

Answer 36

2.5-5% dont change every day tho

Question 37

max DMI allows fo (3)

Answer 37

incr animal performance reduction in days to slaughter reduction in production cost

Question 38

problems associated with rapid diet change (6)

Answer 38

digestive disturbance ruminal acidosis reduced feed intake reduced gains liver abscess reduces hot carcass weight