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Beef · Reproduction · Output

Calving rate

80% marked / joined

The final reproductive output of the breeding herd — calves dropped or marked against a female baseline (either cows joined or PTIC).

Worked example · Head, joined → weaned · % of joined
Joined · 248 PTIC · 218 Marked · 198 Weaned · 193 88% 80% 78%
Head, joined → weaned · % of joined
The benchmark

South-west Victorian beef herds average about 88% calves marked per cow joined (top 20% ~89%); nationally the range is 70–85%.

EverGraze / SW Farm Monitor ↗
What it signals

Comparing across the joined → PTIC → marked → weaned chain lets you distinguish a failure to conceive from gestational loss, from calf mortality at or soon after birth — so you fix the right problem.

Data required to calculate
Females joined OR PTICno.Total calves markedno.

Silo pulls each of these from the sources the operation already uses, and keeps the figure current automatically.

How to improve it
01

Boost third-trimester nutrition to reduce fetal loss and maternal issues.

02

Select bulls with high calving-ease and low birthweight EBVs to reduce dystocia.

03

Remove paddock hazards and manage wild dog or dingo predation before calving.

Questions & answers

What is calving rate?

The final reproductive output of the breeding herd — calves dropped or marked against a female baseline (either cows joined or PTIC).

What data do you need to calculate calving rate?

You need: Females joined OR PTIC (no.), Total calves marked (no.). Silo pulls each of these from the sources the operation already uses and keeps the figure current automatically.

What is a good calving rate benchmark?

South-west Victorian beef herds average about 88% calves marked per cow joined (top 20% ~89%); nationally the range is 70–85%.

How do you improve calving rate?

Boost third-trimester nutrition to reduce fetal loss and maternal issues. Select bulls with high calving-ease and low birthweight EBVs to reduce dystocia. Remove paddock hazards and manage wild dog or dingo predation before calving.

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