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Gene transfer experiments in cattle.
The period between 78 and 82 h after prostaglandin treatment was determined as the optimum time for collection of bovine zygotes and the total rate of efficiency of gene transfer was 3.2%, 6.9%, and 0.8% for Constructs 1, 2 and 4, respectively. Expand
[The hormone profile in the blood plasma of heifers after cycle synchronization with prostaglandin F2alpha].
Highly sensitive radio-immuno assay (RIA) was used for 21 days to study the curves of several steroid hormones, progesterone (P), oestradiol 17 beta (E2), and testosterone (T), as well as ofExpand
[Cryopreservation of bovine embryos].
The method of cryopreservation of embryos aged seven days, proposed for embryo transfer with cattle by Niemann (1985), was tested under production conditions on three cattle breeding farms and three experimental animal units and is recommended for general field practice. Expand
[The parturition process in cattle].