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 9.58
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -4.69 -0.375 1.76
Prot (kg) -12.80 -0.441 5.65
Fertility Sub Index 2.24
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) 1.29 1.117 1.44
Calving Sub Index 0.04
Gestation Length (days) -0.04 -0.919 0.04
Beef Sub Index -1.14
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 3.14 -0.432 -1.36
Maintenance Sub Index Maint. Sub Index -1.07
Live WT (kg) 3.50 -0.307 -1.07
Total Carbon Sub Index 9.64

* Based on an €80/tonne carbon price