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 7.57
Milk (kg) -491.00 -0.014 6.87
Fat (kg) 6.35 -0.375 -2.38
Prot (kg) -6.97 -0.441 3.08
Fertility Sub Index 2.42
Calving Interval (days) -0.96 -1.459 1.40
Survival (%) 0.91 1.117 1.02
Calving Sub Index 1.19
Gestation Length (days) -1.29 -0.919 1.19
Beef Sub Index -1.48
Carcass Weight (kg) 0.90 -0.528 -0.47
Age of Slaughter (days) 2.33 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index -4.23
Live WT (kg) 13.80 -0.307 -4.23
Total Carbon Sub Index 5.47

* Based on an €80/tonne carbon price