While an increasing number of animals are produced by means of somatic cloning, behavioral studies on cloned animals are still rare. The aim of this study was to investigate whether the somatic cloning procedure has an influence on locomotion, exploratory, vocal and social behaviors of heifers. Ten heifers were used in the present study. Five of them were cloned heifers derived from somatic cel...

no domestic availability to breeder turkey stocks and turkey hatching eggs prompted the present experiment that aimed to evaluate the feasibility of a conventional artificial insemination (ai) procedure in british united turkey (but) for the first time in iran. broiler turkeys were restrictedly fed, grown for 46 weeks, and used for the current study (10 turkey toms and 24 turkey hens in total)....

[1] This study was produced from the PhD Thesis of Umut Çağın ARI and financially supported by Scientific and Technical Research Council of Turkey, Project Code: TOVAG 105 O 050 * Department of Reproduction and Artificial Insemination, Faculty of Veterinary Medicine, University of Kafkas, 36100, Kars TURKEY ** Department of Reproduction and Artificial Insemination, Faculty of Veterinary Medicin...

OBJECTIVE This study aimed to evaluate the clinical pregnancy rate of intrauterine insemination cycles in relation to patient age, cause of infertility, ovulation induction method, number of mature follicles and sperm with progressive motility. METHODS This retrospective observational study included 237 intrauterine insemination cycles performed from 2011 to 2015 at the Assisted Reproduction ...

Since the conclusion of data collation from previously published work, a further 352 inseminations using frozen-thawed dog semen by endoscopic-assisted transcervical insemination (EIU) have been performed by the author. Insemination was performed on the second day in which crenulation of the anterior vagina was detected in conjunction with a progesterone concentration of >10 ng/ml. All semen sa...

OBJECTIVE To identify prognostic factors influencing the outcome of infertility treatment using intrauterine insemination with donor semen (IUI-D). DESIGN Retrospective study of all patients undergoing IUI-D between August 1st, 1990 and July 31st, 1998. SETTING University-affiliated infertility clinic. PATIENTS Three hundred and five couples undergoing 1131 IUI-D treatment cycles. MAIN ...

The proportions of X and Y chromosome bearing sperms in human semen are equal, but more boys than girls are born.Male embryos and fetuses have a greater risk of attrition in utero than their female counterparts, and therefore male excess is likely to be still larger at the time of conception. It remains unexplained, however, what is responsible, presumably at some point between insemination and...

Reproductive failure is a major source of economic loss in the beef industry. The majority of this loss occurs because cows do not become pregnant during a defined breeding season. Therefore, the goal of any breeding program is to maximize the number of females that become pregnant. This means that fertility plays a major role in the success of any breeding program. This review will focus on th...

An increasing number of babies are being born using donated sperm, where the child lacks a genetic link to the father, or donated eggs, where the child lacks a genetic link to the mother. This study examined the impact of telling children about their donor conception on mother-child relationships and children's psychological adjustment. Assessments of maternal positivity, maternal negativity, m...