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 13.59
Milk (kg) -123.00 -0.014 1.72
Fat (kg) -17.50 -0.375 6.55
Prot (kg) -12.04 -0.441 5.31
Fertility Sub Index 5.22
Calving Interval (days) -3.44 -1.459 5.02
Survival (%) 0.18 1.117 0.20
Calving Sub Index 1.24
Gestation Length (days) -1.35 -0.919 1.24
Beef Sub Index 1.05
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 0.13 -0.432 -0.06
Maintenance Sub Index Maint. Sub Index 5.03
Live WT (kg) -16.40 -0.307 5.03
Total Carbon Sub Index 26.14

* Based on an €80/tonne carbon price