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 5.01
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -3.57 -0.375 1.34
Prot (kg) -3.40 -0.441 1.50
Fertility Sub Index 4.74
Calving Interval (days) -2.67 -1.459 3.90
Survival (%) 0.76 1.117 0.85
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index -0.32
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) -0.48 -0.432 0.21
Maintenance Sub Index Maint. Sub Index -0.74
Live WT (kg) 2.40 -0.307 -0.74
Total Carbon Sub Index 9.80

* Based on an €80/tonne carbon price