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 9.29
Milk (kg) -181.00 -0.014 2.53
Fat (kg) -8.46 -0.375 3.17
Prot (kg) -8.13 -0.441 3.59
Fertility Sub Index 4.87
Calving Interval (days) -2.97 -1.459 4.33
Survival (%) 0.48 1.117 0.54
Calving Sub Index -0.40
Gestation Length (days) 0.43 -0.919 -0.40
Beef Sub Index -2.95
Carcass Weight (kg) 5.60 -0.528 -2.95
Age of Slaughter (days) -0.01 -0.432 0.00
Maintenance Sub Index Maint. Sub Index -1.38
Live WT (kg) 4.50 -0.307 -1.38
Total Carbon Sub Index 9.44

* Based on an €80/tonne carbon price