Influence of gonadotropin-releasing hormone and timing of insemination relative to estrus on pregnancy rates of dairy cattle at first service

The objective was to determine the influence of gonadotropin-releasing hormone on pregnancy rates of dairy cattle at first services, when both the timing of hormone injection and insemination were altered relative to the onset of estrus. Cows (n = 325) were assigned randomly to six groups making up...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Veröffentlicht in:	Journal of dairy science 1990-06, Vol.73 (6), p.1500-1507
Hauptverfasser:	Mee, M.O. (Kansas State University, Manhattan), Stevenson, J.S, Scoby, R.K
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals ARTIFICIAL INSEMINATION BLOOD SERUM BOVIN LAITIER Cattle - physiology CICLO ESTRAL COWS CYCLE OESTRAL DAIRY CATTLE DATE Dinoprost - pharmacology EPOCA Estrus - drug effects Estrus - physiology Estrus Detection Female Fertility - drug effects GANADO DE LECHE GESTACION GESTATION GONADOLIBERINE GONADOTROPIN RELEASING HORMONE HORMONA LIBERADORA DE GONADOTROPINA INSEMINACION ARTIFICIAL INSEMINATION ARTIFICIELLE Insemination, Artificial - veterinary Luteinizing Hormone - blood OESTROUS CYCLE Pituitary Hormone-Releasing Hormones - pharmacology PREGNANCY PROGESTERONA PROGESTERONE Progesterone - blood Random Allocation SERUM SANGUIN SUERO SANGUINEO TIMING VACA VACHE
Online-Zugang:	Volltext
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Schreiben Sie den ersten Kommentar!