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 2.84
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -2.70 -0.375 1.01
Prot (kg) -1.48 -0.441 0.65
Fertility Sub Index -0.94
Calving Interval (days) 1.42 -1.459 -2.07
Survival (%) 1.01 1.117 1.13
Calving Sub Index -0.62
Gestation Length (days) 0.67 -0.919 -0.62
Beef Sub Index -1.42
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 7.08 -0.432 -3.06
Maintenance Sub Index Maint. Sub Index 5.67
Live WT (kg) -18.50 -0.307 5.67
Total Carbon Sub Index 5.53

* Based on an €80/tonne carbon price