"High
Risk" Cows
MGA¨- Select Calendar
-Maximizes total pregnancy rate
-'Jump starts' anestrous cows
-Tightens synchrony of estrus
-Eliminates most early heats
-Recommended for 2-yr-olds and other "high risk" cows
Time:
37 days
Labor: Feeding and 3 times in the chute
Heat Detection: 4 Days
Injections: 2 times Calendar
Mature
Cows
Select SynchCalendar
-Easily administered
-lnseminate only those detected
-Excellent system if accurate heat detection is available
-lnduces some anestrous cows
-Relatively low cost
Time:
12 days
Labor: 3 times in the chute
Heat Detection: 6 Days
Injections: 2 or 3 times Calendar
Mature
Cows
Short Term MGA¨- Select Calendar
-Eliminates most early heats
-'Jump starts' anestrous cows
-Short term treatment
-Minimal heat detection
-Excellent choice for late calvers
Time:
10 days
Labor: Feed and 3 times in the chute
Heat Detection: 1 Day
Injections: 2 or 3 times Calendar
Mature
Cows
Co-Synch Calendar
-Allows for fixed-time breeding
-No heat detection needed
-Most labor and time efficient
-Breed at 48-64 hrs. after PGF
Time:
9 days
Labor: 3 times in the chute
Heat Detection: None
Injections: 3 times Calendar
Heifers
Only
MGA¨-PGFCalendar
-Proven system for heifers
-High response rate
-Excellent conception rates
-Tight synchrony of estrus
-Time A.I. at 72 hrs. after PGF if heat detection is not an
option
Time:
37 days
Labor: Feed and 2 times in the chute
Heat Detection: 4 days
Injections: 1 time Calendar
