Zobrazeno 1 - 10
of 83
pro vyhledávání: '"J.O. Giordano"'
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 10, Pp 8642-8653 (2024)
ABSTRACT: Our objectives were to develop and evaluate an integrated system consisting of a lateral flow immunoassay (LFIA) and an electronic portable imaging device for determination of pregnancy status of cows based on plasma concentrations of pregn
Externí odkaz:
https://doaj.org/article/3ea1872e95a447deb614200ab34aeb02
Autor:
E.M. Sitko, A. Laplacette, D. Duhatschek, C. Rial, M.M. Perez, S. Tompkins, A.L. Kerwin, J.O. Giordano
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 10, Pp 8670-8687 (2024)
ABSTRACT: Our overarching objective was to characterize associations between genomic merit for fertility and the reproductive function of lactating dairy cows in a prospective cohort study. In this manuscript, we present results of the association be
Externí odkaz:
https://doaj.org/article/d35e01ef0d9e45cb8ecce3fb64f56d3f
Autor:
C. Rial, J.O. Giordano
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 9, Pp 7299-7316 (2024)
ABSTRACT: The objective was to compare differences in reproductive performance for dairy cows grouped based on the combination of data for predictors available during the prepartum period and before the end of the voluntary waiting period (VWP), auto
Externí odkaz:
https://doaj.org/article/cbe9e48ee5274b4eaa7b0184cce57271
Autor:
E.M. Sitko, A. Laplacette, D. Duhatschek, C. Rial, M.M. Perez, S. Tompkins, A.L. Kerwin, R.R. Domingues, M.C. Wiltbank, J.O. Giordano
Publikováno v:
Journal of Dairy Science, Vol 107, Iss 9, Pp 7352-7370 (2024)
ABSTRACT: The objectives of this prospective cohort study were to characterize associations among genomic merit for fertility with ovarian and endocrine function and the estrous behavior of dairy cows during an entire nonhormonally manipulated estrou
Externí odkaz:
https://doaj.org/article/097b5ef940474b4899b456fa62a57ddf
Publikováno v:
Journal of Dairy Science, Vol 106, Iss 12, Pp 9345-9365 (2023)
ABSTRACT: Understanding changes in parameters recorded by automated health monitoring systems based on ear-attached sensors on the days immediately before and after diagnosis of metritis and clinical mastitis can help develop dairy cow health monitor
Externí odkaz:
https://doaj.org/article/b03c34d4aea04640a835619132b5bbab
Publikováno v:
Journal of Dairy Science, Vol 106, Iss 12, Pp 9323-9344 (2023)
ABSTRACT: The objective of this observational cohort study was to characterize the pattern of rumination time (RT), physical activity (PA), and lying time (LT) monitored by an automated health monitoring system, based on an ear-attached sensor, immed
Externí odkaz:
https://doaj.org/article/d9ed080166694819a81f94cc95c21f4b
Publikováno v:
Journal of Dairy Science, Vol 106, Iss 12, Pp 9474-9493 (2023)
ABSTRACT: Our objectives were to compare the proportion of lactating dairy cows diagnosed with health disorders (HD) and herd performance when using a health monitoring program designed to rely primarily but not exclusively on alerts from automated h
Externí odkaz:
https://doaj.org/article/11b59cac1c4548e18e27f3292c723314
Autor:
E.M. Sitko, M.M. Perez, G.E. Granados, M. Masello, F. Sosa Hernandez, E.M. Cabrera, E.M. Schilkowsky, F.A. Di Croce, A.K. McNeel, D.J. Weigel, J.O. Giordano
Publikováno v:
Journal of Dairy Science, Vol 106, Iss 9, Pp 6476-6494 (2023)
ABSTRACT: Our objective was to compare reproductive outcomes of primiparous lactating Holstein cows of different genetic merit for fertility submitted for insemination with management programs that prioritized artificial insemination (AI) at detected
Externí odkaz:
https://doaj.org/article/53125d3b4eab42a2be198740e36d80cc
Publikováno v:
Journal of Dairy Science, Vol 106, Iss 9, Pp 6495-6514 (2023)
ABSTRACT: The objective of this randomized controlled experiment was to evaluate the effect of reproductive management programs that prioritized artificial insemination (AI) at detected estrus (AIE) or timed AI (TAI) during the first lactation on the
Externí odkaz:
https://doaj.org/article/4db6519d9a584042bd3a73c052b34011
Publikováno v:
Journal of Dairy Science, Vol 105, Iss 10, Pp 8411-8425 (2022)
ABSTRACT: The primary objective of this randomized controlled experiment was to evaluate the insemination dynamic and reproductive performance of cows managed with a targeted reproductive management (TRM) program designed to prioritize artificial ins
Externí odkaz:
https://doaj.org/article/b59d149ae80d4318a6e4c9377c797d87