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 4.83
Milk (kg) -117.00 -0.014 1.64
Fat (kg) -6.92 -0.375 2.59
Prot (kg) -1.37 -0.441 0.60
Fertility Sub Index 5.38
Calving Interval (days) -2.93 -1.459 4.27
Survival (%) 0.99 1.117 1.11
Calving Sub Index 1.94
Gestation Length (days) -2.11 -0.919 1.94
Beef Sub Index -0.59
Carcass Weight (kg) 4.80 -0.528 -2.53
Age of Slaughter (days) -4.49 -0.432 1.94
Maintenance Sub Index Maint. Sub Index -3.99
Live WT (kg) 13.00 -0.307 -3.99
Total Carbon Sub Index 7.58

* Based on an €80/tonne carbon price