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 0.90
Milk (kg) -73.00 -0.014 1.02
Fat (kg) 1.73 -0.375 -0.65
Prot (kg) -1.19 -0.441 0.53
Fertility Sub Index -1.26
Calving Interval (days) 0.96 -1.459 -1.40
Survival (%) 0.13 1.117 0.15
Calving Sub Index 0.48
Gestation Length (days) -0.52 -0.919 0.48
Beef Sub Index -1.56
Carcass Weight (kg) 0.90 -0.528 -0.47
Age of Slaughter (days) 2.51 -0.432 -1.08
Maintenance Sub Index Maint. Sub Index -1.50
Live WT (kg) 4.90 -0.307 -1.50
Total Carbon Sub Index -2.93

* Based on an €80/tonne carbon price