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 10.70
Milk (kg) -244.00 -0.014 3.42
Fat (kg) -9.02 -0.375 3.38
Prot (kg) -8.84 -0.441 3.90
Fertility Sub Index 10.75
Calving Interval (days) -6.63 -1.459 9.67
Survival (%) 0.96 1.117 1.07
Calving Sub Index -2.62
Gestation Length (days) 2.85 -0.919 -2.62
Beef Sub Index 3.53
Carcass Weight (kg) -5.40 -0.528 2.85
Age of Slaughter (days) -1.59 -0.432 0.69
Maintenance Sub Index Maint. Sub Index 6.90
Live WT (kg) -22.50 -0.307 6.90
Total Carbon Sub Index 29.26

* Based on an €80/tonne carbon price