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 1.00
Milk (kg) -32.00 -0.014 0.45
Fat (kg) 0.03 -0.375 -0.01
Prot (kg) -1.28 -0.441 0.56
Fertility Sub Index 1.26
Calving Interval (days) -0.72 -1.459 1.05
Survival (%) 0.19 1.117 0.21
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.21
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.34 -0.432 -0.58
Maintenance Sub Index Maint. Sub Index 1.13
Live WT (kg) -3.70 -0.307 1.13
Total Carbon Sub Index 3.15

* Based on an €80/tonne carbon price