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 3.62
Milk (kg) -106.00 -0.014 1.48
Fat (kg) -4.35 -0.375 1.63
Prot (kg) -1.15 -0.441 0.51
Fertility Sub Index 0.44
Calving Interval (days) -0.40 -1.459 0.58
Survival (%) -0.13 1.117 -0.15
Calving Sub Index -0.22
Gestation Length (days) 0.24 -0.919 -0.22
Beef Sub Index -2.08
Carcass Weight (kg) 7.20 -0.528 -3.80
Age of Slaughter (days) -3.99 -0.432 1.72
Maintenance Sub Index Maint. Sub Index -5.00
Live WT (kg) 16.30 -0.307 -5.00
Total Carbon Sub Index -3.23

* Based on an €80/tonne carbon price