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 7.06
Milk (kg) -220.00 -0.014 3.08
Fat (kg) -5.52 -0.375 2.07
Prot (kg) -4.33 -0.441 1.91
Fertility Sub Index 4.52
Calving Interval (days) -3.00 -1.459 4.38
Survival (%) 0.13 1.117 0.15
Calving Sub Index 1.36
Gestation Length (days) -1.48 -0.919 1.36
Beef Sub Index -2.05
Carcass Weight (kg) 5.00 -0.528 -2.64
Age of Slaughter (days) -1.37 -0.432 0.59
Maintenance Sub Index Maint. Sub Index -0.80
Live WT (kg) 2.60 -0.307 -0.80
Total Carbon Sub Index 10.10

* Based on an €80/tonne carbon price