PSV-8 Sire field fertility does not correlate with sire conception rate (SCR) score

• Published in: Journal of animal science Vol. 99; no. Supplement_3; pp. 304 - 305
• Main Authors: Franco-Johannsen, Gessica A, Pereira, Marcos Henrique C, Ortega, M Sophia, Reese, Sydney T, Vasconcelos, Jose Luiz M, Spencer, Thomas E, Pohler, Ky G
• Format: Journal Article
• Language: English
• Published: US Oxford University Press 08.10.2021
• Subjects: Dairy farming; Dairy farms; Dairy industry; Evaluation; Farms; Fertility; Livestock; Livestock industry; Parameters; Phenotypes; Poster Presentations; Pregnancy; Reliability analysis; Variance; SCR; embryonic mortality; paternal

Abstract Accurate sire fertility evaluation remains a significant challenge in the livestock industry. Sire conception rate (SCR) has been used since 2008 in the dairy industry to rank sire fertility. The objective was to characterize individual sire pregnancy rate, pregnancy loss, and determine the...