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 -6.17
Milk (kg) 106.00 -0.014 -1.48
Fat (kg) 9.03 -0.375 -3.38
Prot (kg) 2.95 -0.441 -1.30
Fertility Sub Index -0.26
Calving Interval (days) 0.04 -1.459 -0.06
Survival (%) -0.18 1.117 -0.20
Calving Sub Index 0.26
Gestation Length (days) -0.28 -0.919 0.26
Beef Sub Index -0.17
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.87 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index -3.00
Live WT (kg) 9.80 -0.307 -3.00
Total Carbon Sub Index -9.35

* Based on an €80/tonne carbon price