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 8.11
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -6.13 -0.375 2.30
Prot (kg) -8.44 -0.441 3.73
Fertility Sub Index 3.99
Calving Interval (days) -2.33 -1.459 3.40
Survival (%) 0.53 1.117 0.59
Calving Sub Index -0.07
Gestation Length (days) 0.08 -0.919 -0.07
Beef Sub Index -0.19
Carcass Weight (kg) -1.65 -0.528 0.87
Age of Slaughter (days) 2.45 -0.432 -1.06
Maintenance Sub Index Maint. Sub Index 0.98
Live WT (kg) -3.20 -0.307 0.98
Total Carbon Sub Index 12.81

* Based on an €80/tonne carbon price