Effect of reproductive management programs that prioritized artificial insemination at detected estrus or timed artificial insemination on the reproductive performance of primiparous Holstein cows of different genetic merit for fertility.

Autor: Sitko EM; Department of Animal Science, Cornell University, Ithaca, NY 14853., Perez MM; Department of Animal Science, Cornell University, Ithaca, NY 14853., Granados GE; Department of Animal Science, Cornell University, Ithaca, NY 14853., Masello M; Department of Animal Science, Cornell University, Ithaca, NY 14853., Sosa Hernandez F; Department of Animal Science, Cornell University, Ithaca, NY 14853., Cabrera EM; Department of Animal Science, Cornell University, Ithaca, NY 14853., Schilkowsky EM; Department of Animal Science, Cornell University, Ithaca, NY 14853., Di Croce FA; Zoetis, Kalamazoo, MI 49007., McNeel AK; Zoetis, Kalamazoo, MI 49007., Weigel DJ; Zoetis, Kalamazoo, MI 49007., Giordano JO; Department of Animal Science, Cornell University, Ithaca, NY 14853. Electronic address: jog25@cornell.edu.

Publikováno v: Journal of dairy science [J Dairy Sci] 2023 Sep; Vol. 106 (9), pp. 6476-6494. Date of Electronic Publication: 2023 Jul 18.

Effects of feeding rumen-protected methionine pre- and postpartum on reproductive outcomes of multiparous Holstein cows.

Autor: Stangaferro ML; Department of Animal Science, Cornell University, Ithaca, NY 14853., Toledo MZ; Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison 53706., Gennari RS; Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison 53706., Perez MM; Department of Animal Science, Cornell University, Ithaca, NY 14853., Gamarra CA; Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison 53706., Sitko EM; Department of Animal Science, Cornell University, Ithaca, NY 14853., Monteiro PLJ Jr; Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison 53706., Masello M; Department of Animal Science, Cornell University, Ithaca, NY 14853., Prata AB; Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison 53706., Granados GE; Department of Animal Science, Cornell University, Ithaca, NY 14853., Van Amburgh ME; Department of Animal Science, Cornell University, Ithaca, NY 14853., Luchini D; Adisseo, Alpharetta, GA 30022., Shaver RD; Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison 53706., Wiltbank MC; Department of Animal and Dairy Sciences, University of Wisconsin-Madison, Madison 53706., Giordano JO; Department of Animal Science, Cornell University, Ithaca, NY 14853. Electronic address: jog25@cornell.edu.

Publikováno v: Journal of dairy science [J Dairy Sci] 2021 Oct; Vol. 104 (10), pp. 11210-11225. Date of Electronic Publication: 2021 Jul 23.

Effect of reproductive management programs for first service on replacement dairy heifer economics.

Autor: Masello M; Department of Animal Science, Cornell University, Ithaca, NY 14853., Perez MM; Department of Animal Science, Cornell University, Ithaca, NY 14853., Granados GE; Department of Animal Science, Cornell University, Ithaca, NY 14853., Stangaferro ML; Department of Animal Science, Cornell University, Ithaca, NY 14853., Ceglowski B; Dairy Health and Management Services, Lowville, NY 13367., Thomas MJ; Dairy Health and Management Services, Lowville, NY 13367., Giordano JO; Department of Animal Science, Cornell University, Ithaca, NY 14853. Electronic address: jog25@cornell.edu.

Publikováno v: Journal of dairy science [J Dairy Sci] 2021 Jan; Vol. 104 (1), pp. 471-485. Date of Electronic Publication: 2020 Nov 12.

Reproductive performance of replacement dairy heifers submitted to first service with programs that favor insemination at detected estrus, timed artificial insemination, or a combination of both.

Autor: Masello M; Department of Animal Science, Cornell University, Ithaca, NY 14853., Perez MM; Department of Animal Science, Cornell University, Ithaca, NY 14853., Granados GE; Department of Animal Science, Cornell University, Ithaca, NY 14853., Stangaferro ML; Department of Animal Science, Cornell University, Ithaca, NY 14853., Ceglowski B; Dairy Health and Management Services, Lowville, NY 13367., Thomas MJ; Dairy Health and Management Services, Lowville, NY 13367., Giordano JO; Department of Animal Science, Cornell University, Ithaca, NY 14853. Electronic address: jog25@cornell.edu.

Publikováno v: Journal of dairy science [J Dairy Sci] 2019 Feb; Vol. 102 (2), pp. 1671-1681. Date of Electronic Publication: 2018 Dec 24.

Intravaginal instillation of gonadotropin-releasing hormone analogues with an absorption enhancer induced a surge of luteinizing hormone in lactating dairy cows.

Autor: Wijma R; Department of Animal Science, Cornell University, Ithaca, NY 14853., Stangaferro ML; Department of Animal Science, Cornell University, Ithaca, NY 14853., Masello M; Department of Animal Science, Cornell University, Ithaca, NY 14853., Elmetwally MA; Department of Animal Science, Cornell University, Ithaca, NY 14853., Granados GE; Department of Animal Science, Cornell University, Ithaca, NY 14853., Amovilli F; Department of Animal Science, Cornell University, Ithaca, NY 14853., Giordano JO; Department of Animal Science, Cornell University, Ithaca, NY 14853. Electronic address: jog25@cornell.edu.

Publikováno v: Journal of dairy science [J Dairy Sci] 2017 Sep; Vol. 100 (9), pp. 7626-7637. Date of Electronic Publication: 2017 Jul 12.