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 5.11
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -6.38 -0.375 2.39
Prot (kg) -2.59 -0.441 1.14
Fertility Sub Index 3.39
Calving Interval (days) -0.82 -1.459 1.20
Survival (%) 1.96 1.117 2.19
Calving Sub Index -2.02
Gestation Length (days) 2.20 -0.919 -2.02
Beef Sub Index -4.09
Carcass Weight (kg) 11.10 -0.528 -5.86
Age of Slaughter (days) -4.08 -0.432 1.76
Maintenance Sub Index Maint. Sub Index -2.61
Live WT (kg) 8.50 -0.307 -2.61
Total Carbon Sub Index -0.22

* Based on an €80/tonne carbon price