Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 0.63
Milk (kg) -139.00 -0.014 1.95
Fat (kg) 4.08 -0.375 -1.53
Prot (kg) -0.47 -0.441 0.21
Fertility Sub Index 4.13
Calving Interval (days) -2.12 -1.459 3.09
Survival (%) 0.93 1.117 1.04
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 4.05
Carcass Weight (kg) -5.30 -0.528 2.80
Age of Slaughter (days) -2.91 -0.432 1.26
Maintenance Sub Index Maint. Sub Index 7.14
Live WT (kg) -23.30 -0.307 7.14
Total Carbon Sub Index 20.92

* Based on an €80/tonne carbon price