To Implant or Not? What Cow-Calf Producers Need to Know - CE Quiz

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* 1. Please enter your information

Full Name, Credentials *

Practice Name

Province (NO abbreviations please) *

Email Address *

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* 2. What is the primary reason growth implants are placed in the ear?

It provides the fastest muscle growth

The ear has high blood flow and does not enter the food chain

The hormones work best near the head

It prevents contamination from manure

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* 3. What is the typical payout period for most calf implants?

10–30 days

30–60 days

90–200 days

1 full year

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* 4. Which factors can influence implant payout and effectiveness?

Breed, coat color, and weaning age

Age, rate of gain, hormone type, and plane of nutrition

Weather, handling facility type, and horn status

Vaccination status and mineral program only

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* 5. Which implant compound category is considered the least potent?

Estrogens

Androgens

Progesterone (progestins)

Combination estrogen–androgen

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* 6. For suckling calves, most producers administer implants at what stage?

At birth

At branding, around 45–60 days of age

At weaning

After entry into a backgrounding lot

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* 7. What is a major cause of implant failure identified during implant audits?

Use of the wrong implant brand

Failure to disinfect the needle between animals

Use of a metal‑tagged ear

Implanting during rainy weather

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* 8. What is the recommended location for correct implant placement in the ear?

The bottom third near the ear tip

Directly through the cartilage for best anchoring

The middle third, between skin and cartilage

The ridge at the top of the ear

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* 9. According to research presented, implant use during the suckling phase has what effect on future reproductive performance of heifers when used before 4 months of age?

It decreases pregnancy rates significantly

It increases dystocia risk

It has no negative effect on future reproduction

It causes permanent delays in cycling

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* 10. According to University of Manitoba economic data, what approximate additional financial return can implants generate in pre‑weaning steers (per 100 calves)?

$2,000

$5,000

$15,000

$30,000

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* 11. Research on environmental sustainability showed what approximate reduction in greenhouse gas emissions when implants were used?

No measurable reduction

3–10% reduction

15–20% reduction

Over 30% reduction