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 8.08
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -9.21 -0.375 3.45
Prot (kg) -5.93 -0.441 2.62
Fertility Sub Index 6.70
Calving Interval (days) -3.75 -1.459 5.47
Survival (%) 1.10 1.117 1.23
Calving Sub Index -0.84
Gestation Length (days) 0.91 -0.919 -0.84
Beef Sub Index -2.35
Carcass Weight (kg) 2.40 -0.528 -1.27
Age of Slaughter (days) 2.50 -0.432 -1.08
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 13.86

* Based on an €80/tonne carbon price