The interval from onset of estrus to preovulatory luteinizing hormone (LH) release, conception and fertilization rates, and number of accessory spermatozoa per ovum at 48 hr postmating in untreated cyclic ewes and fn progestogen-pregnant mare serum gonadotropin (PMSG) treated, anestrous ewes were compared in efforts to identify sources of lowered fertility for matings induced in anestrous ewes ...

1. Failure of the female to become pregnant (Repeat Breeding Syndrome); 2. Failure to maintain pregnancy after breeding and conception (early embryonic death, fetal loss or abortion); 3. Failure to complete breeding because of physical or behavioral problems (intromission difficulties, refusal of the male); 4. Observed abnormalities in the genitalia (abnormal conformation or lesions of the vulv...

................................................................................................................................... 1 A. BACKGROUND: HEALTH CARE INFORMATION SYSTEM SUCCESS AND FAILURE .............................. 2 A1. Understanding HCIS Success and Failure .......................................................................... 3 B. DIMENSIONS OF CHANGE: CONCEPTION—REALITY ...

................................................................................................................................... 1 A. BACKGROUND: HEALTH CARE INFORMATION SYSTEM SUCCESS AND FAILURE .............................. 2 A1. Understanding HCIS Success and Failure .......................................................................... 3 B. DIMENSIONS OF CHANGE: CONCEPTION—REALITY ...

background: cervical pregnancy is rare and dangerous form of ectopic pregnancy which can be treated surgically or conservatively. methotrexate is reasonable conservative option with high efficiency and acceptable level of side effects. aim of this paper is to present possible treatment option in case of methotrexate failure, still keeping the postulates of minimal invasive surgery. case:  we de...

Jacinta C. Beehner, Daphne A. Onderdonk, Susan C. Alberts, and Jeanne Altmann Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA, Department of Biology, Duke University, Durham, NC 27701, USA, Institute of Primate Research, National Museums of Kenya, Nairobi, Kenya, and Department of Conservation Biology, Chicago Zoological Society, Brookfield, IL 605...

Reproduction incurs a high energetic cost and failure to meet nutritional needs results in reproductive failure. In red deer hinds, the interaction between nutrition, summer lactation and subsequent ovulation/conception is of particular interest for farmed deer production in NZ due to climatic constraints to summer pasture production in many areas. However, few studies have focussed on the pote...