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 2.98
Milk (kg) -144.00 -0.014 2.02
Fat (kg) 1.64 -0.375 -0.61
Prot (kg) -3.58 -0.441 1.58
Fertility Sub Index 0.51
Calving Interval (days) 0.02 -1.459 -0.03
Survival (%) 0.48 1.117 0.54
Calving Sub Index 0.63
Gestation Length (days) -0.68 -0.919 0.63
Beef Sub Index 0.01
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 0.70 -0.432 -0.30
Maintenance Sub Index Maint. Sub Index 0.03
Live WT (kg) -0.10 -0.307 0.03
Total Carbon Sub Index 4.16

* Based on an €80/tonne carbon price