Page 14 - MWC 4-21-2022s

BREEDING The Midwest Cattleman · April 21, 2022 · P14
continued from page 9
best results from AI. Many it from one cane to another.
producers do not have the Buy a 1-liter Igloo drink cool-
equipment to determine the er and a plastic tweezer from
quality of a straw of semen your semen salesperson.
prior to breeding. Veterinar- Carefully fill the Igloo cool-
ians can determine semen er with liquid nitrogen from
quality prior to breeding a your tank. You can now place
large group of cows or heifers. your semen cane in the nitro-
Semen quality varies among gen and use the tweezer to
bulls, and young bulls often remove the straw, look at the
have lower quality semen name on the straw while it is
compared to older bulls. submerged in nitrogen, and
Handling techniques can replace it or move it to an-
also play a role in semen other cane. Using this meth-
quality. Exposing a straw of od, the semen straw never
semen to air between canes leaves the liquid nitrogen leasing hormone (GnRH) at 7-Day CO-Synch+CIDR
or between nitrogen tanks and semen quality is main- day 0. Protocol
negatively affects semen. tained in the frozen straw. •Inject prostaglandin at •Has become the gold
Many canes do not have Synchronization day 7 with heat patches ap- standard for cow synchroni-
the name of the bull on the Protocols plied for heat detection. zation.
cane top, so often, a straw is •Expect an average 60 per- •Inject GnRH on day 0
pulled out of the cane, frost Simplest Hormonal Method cent conception on timed AI, and place CIDR.
wiped off to read the name •Inject with prostaglandin depending on semen quality •Remove CIDR on day 7.
and then placed back in the and observe for heat. AI 12 and technician skill. Give prostaglandin injection.
goblet. This action thaws the hours after heat is observed. •Two injections add ex- •Timed AI heifers at 50
majority of the semen, then •Approximately two- pense and time to the proto- hours and cows at 60 hours
refreezes it back in the gob- thirds of the cows should col but may reduce time to post CIDR removal.
let. The potential result is a come into heat on days 2 to breeding with lower expense •Provides approximate-
significant decrease in live, 5 (72 hours most common), than other protocols. ly 80 percent response from
viable semen. and heifers on days 1 to 5 (48 •If semen cost is high, cows.
There is a very simple hours most common). timed AI may be too expen- •Conception similar to
method to be able to safely Select-Synch Method sive, making heat detection a other protocols.
check your semen or transfer •Inject gonadotropin-re- better choice.
7 and 7 Synch Protocol
INSECT-A-SOCK... Synchronizing Heifers •Relatively new protocol,
•Option 1: Feed melenge- adding 7 days to previous
REDUCE FLIES, LICE, TICKS, MOSQUITOES strol acetate (MGA) for 14 protocol.
USA PATENT #8,353,260 days, then give prostaglan- •CIDR placed on day 0.
din 19 days after MGA re- Give prostaglandin injection.
moval. Heat check heifers or •Give GnRH on day 7.
use timed AI. •Remove CIDR on day 14.
•Option 2: Use concen- Give second prostaglandin
trated intra-vaginal drug re- injection.
lease (CIDR) placed on day 0 •Timed AI heifers at 50
and removed on day 14. Give hours and cows at 60 hours
prostaglandin 16 days after post CIDR removal.
CIDR removal. Heat check •Inject second GnRH at
heifers or use timed AI. breeding.
•Expect an average 75 •Can provide up to 95
percent conception, depend- percent response from cows,
ing on semen quality and higher than most other pro-
technician skill. tocols.
•Both protocols require •Expect 60 to 70 percent
more time and preparation. conception, depending on
• 2” diameter sock attaches to outside of flap •MGA intake may vary semen quality and techni-
• With EPA approved insecticide, recharge every 7 to 10 days during fly season between heifers, causing in- cian skill.
• Durable and effective, allows for self-treatment
consistent results. •Requires the most time
To Find a Dealer, contact.... •CIDRs may cause vagi- from initiation to breeding
nitis or adhesions in small and multiple trips through
Zeitlow Distributing SoMo Agri Supply
SoMo Agri
Zeitlow Distributing
McPherson, KS 800-364-1605 Springfield, MO heifers, also leading to incon- the chute.
Supply
McPherson, KS 800-364-1605
Boonville, MO 800-530-5158 800-725-1880
Boonville, MO 800-530-5158 Springfield, MO sistent results.
800-725-1880
Central Missouri Feed & Supply
2707 W Rt F • Clark, MO • 573-881-1798
threebarl@hotmail.com
OR SEE AN MFA DEALER
OR SEE AN MFA DEALER
RETROFITS MOST COMPETING
MINERAL FEEDERS.
Available only with Pride of the Farm ®
WWW.PRIDEOFTHEFARM.COM 800-553-1791