@misc{indiciae69f9f883fb34, title = {Modified contemporary comparisons for first and second lactations in the same and different herds.}, author = {B G Cassell and B T McDaniel and H D Norman}, year = {1983}, doi = {10.3168/jds.s0022-0302(83)81791-3}, url = {https://pubmed.ncbi.nlm.nih.gov/6833603/}, note = {Source identifier: 6833603} }