Cooler temperatures, harvesting of peanuts and cotton,
and new calves on the ground in some parts of Alabama suggest it is time
to assess bull needs for the upcoming breeding season. There are many sale
rings gearing up for the bull sale season, including several BCIA sponsored
sales.
However, producers should not simply buy any bull.
Producers need to do their homework before coming to the sale. Here are
some of the questions which need to be answered prior to coming to the
sale:
1. How many bulls do I need? This
will depend on how many cows you have and the age of the bulls you are
purchasing. The table below provides general guidelines on the number of
bulls to number of females needed.
__Bull's
Age
Number of Females
12-15 months
10 to 12
15-18 months
12 to 18
18-24 months
18 to 25
24 months and older
25 to 35
2. How will these bulls complement
my cows? Commercial cattle producers need to know strengths and weaknesses
of each breed and how different breeds will work together to make a better
end product (weaned calf, stocker calf, carcass, replacement heifer). Commercial
cattle producers need to maintain at least 66% of individual and maternal
hybrid vigor in their
herds to really take advantage of crossbreeding.
3. What the average EPD values
are for the specific breeds you are interested in and what the minimum
EPD values are you will accept in a bull. For a cattle producer to know
what EPD values are important for the herd or what EPD values are acceptable,
producers must know what product they are trying to produce and market.
Given this information, producers will be able to set EPD value minimums
and maximums. For example, if a commercial producer is not keeping replacement
heifers, the milk EPD value is unimportant. This may present the producer
with a selection of bulls that other producers are not interested in because
of lower than breed average milk EPD values. If a producer is keeping replacement
heifers, the milk EPD and maternal calving ease EPD values are important
values and must be examined. Study the sale catalog and pick out bulls
you want to look at sale day before you arrive at the sale. Also, remember
that EPD values are a much more accurate judge of genetic potential than
just using actual or adjusted weights or ratios.
|
System |
EPD value |
EPD value |
EPD value |
EPD value |
| Rotational | L-M | M-H | Depends | M-H |
| Terminal | L-H | H | n/a | H |
| 1st Calf Heifer | L | M | M | M |
| Sire Replacement Heifers | L-M | M-H | Depends | M-H |
| L=Low EPD value; M=medium or moderate EPD value; H=high EPD value; Depends=EPD value dependent on cow herd | ||||
4. How much do you have to spend? Know your upper limit and stick with that limit. Don't let the excitement of the sale allow you to spend more than you have in the budget.
However, there is still a lot of work to be done once you reach the
sale site. Some bulls on your list may be culled once you see what he looks
like. Producers need to make sure the phenotype (or visual appraisal) of
the animal is what you desire. Producers should at least check:
1. Overall conformation, including muscling
2. Scrotal size and shape
3. Attitude/ disposition
4. Feet and leg structure. Feet and legs are very important.
Look to see if an animal is sickle-hocked or post-legged. Make sure the
animal is not pigeon-toed or
splay-footed. And look for screw claw (sometimes called corkscrew claw).
Screw claw is approximately 40%
heritable....so if a bull or female has screw claw, their offspring probably
will too. It can usually be managed
with trimming, but is heritable.