geoscience.net logo
+ Resolve Article
+ Follow Us
Follow on FacebookFollow on Facebook
Follow on TwitterFollow on Twitter

+ Translate
+ Subscribe to Site Feed
GeoScience Most Shared ContentMost Shared Content

A method to evaluate various parameters of progesterone production in beef cows, using the levels of progesterone in peripheral blood sampled on specific days of the oestrous cycle


, : A method to evaluate various parameters of progesterone production in beef cows, using the levels of progesterone in peripheral blood sampled on specific days of the oestrous cycle. Animal Reproduction Science 3(4): 279-288

Progesterone concentrations were determined in blood samples taken sequentially each day during 85 oestrous cycles in 3 Hereford X Africander and 3 Sussex X Africander cows. The sum of progesterone levels in sequential daily samples for a complete oestrous cycle varied considerably between cycles within cows (30-150 ng), and the means of cycles differed markedly between cows (36-60 ng).

US$19.90

DOI: 10.1016/0378-4320(81)90003-8


Other references

Lee, M.Chul.; Jang, Y.Jun.; Yun, I.Sik.; Lew, D.Hyun.; Lee, W.Jai., 2017: Comparative Skin Evaluation After Split-Thickness Skin Grafts Using 2 Different Acellular Dermal Matrices to Cover Composite Forearm Defects. The combination of acellular dermal matrix (ADM) and split-thickness skin graft (STSG) has been widely adopted to overcome functional and cosmetic limitations of conventional STSG. In this study, we evaluated the efficacy of this combination using...

Sun, Y.; Hu, Z.; Goeb, Y.; Dreier, L., 2013: The F-box protein MEC-15 (FBXW9) promotes synaptic transmission in GABAergic motor neurons in C. elegans. Ubiquitination controls the activity of many proteins and has been implicated in almost every aspect of neuronal cell biology. Characterizing the precise function of ubiquitin ligases, the enzymes that catalyze ubiquitination of target proteins, i...

McCormick, N.K.; McCormick, K.J.; Trentin, J.J., 1976: Antinuclear antibodies and elevated anti-Epstein-Barr virus titers in cancer patients. One and one-half percent of human sera from patients seen at a clinic for treatment of cancer contained antibodies to the nuclei of chick kidney cells by indirect immunofluorescence tests. In the group of sera containing antinuclear antibodies, th...

Giunio, N., 1959: Fate of patients treated in Golnik during 1954 and the laboratory resistance. Tuberkuloza 11: 507-515

Lendrem, Dw, 1983: Sleeping and vigilance in birds. Sleep Stuttgart : 134-138

McFarlane, C.; Warner, D.S.; Dexter, F.; Todd, M.M., 1994: Glutamatergic antagonism: effects on lidocaine-induced seizures in the rat. We tested the hypothesis that glutamate receptor antagonists increase the dose of lidocaine required to induce seizure activity. Sprague-Dawley rats were anesthetized with halothane in 40% O-2/balance N-2 and mechanically ventilated. After surgica...

Clayton, R.M., 1953: Distribution of antigens in the developing newt embryo. Evidence is presented that a synthesis of antigenic material occurs in Triturus alpestris between the blastula and gastrula stages, before neurulation and between neurulation and the formation of the tail bud. During early morphogenesis and well b...

Munch-Petersen, S., 1950: The copper content in cerebrospinal fluid in adults (and children) with and without sufferings in the central nervous system. Acta Psychiatrica et Neurologica 25(2-3): 251-268

Ding T.; Tian S.; Gao J., 2007: Silicon isotope compositions of the underground water, limestone and soil from karst caves in Guilin City, Guangxi, China. Geochimica et Cosmochimica Acta 71(15S): A225

Han, M.; Burnett, A.L.; Fishman, E.K.; Marshall, F.F., 1997: The natural history and treatment of adrenal myelolipoma. Purpose: We determined the natural history and clarified the treatment of adrenal myelolipoma. Materials and Methods: A retrospective review of medical records and radiographic imaging studies of 20 patients diagnosed with adrenal myelolipoma was...