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 1.14
Milk (kg) -32.00 -0.014 0.45
Fat (kg) -0.70 -0.375 0.26
Prot (kg) -0.97 -0.441 0.43
Fertility Sub Index 7.02
Calving Interval (days) -3.42 -1.459 4.99
Survival (%) 1.82 1.117 2.03
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.16
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -1.47 -0.432 0.63
Maintenance Sub Index Maint. Sub Index 5.89
Live WT (kg) -19.20 -0.307 5.89
Total Carbon Sub Index 20.02

* Based on an €80/tonne carbon price