منابع مشابه
Human semen quality and the secondary sex ratio
The aim of this study was to evaluate the association between semen quality and the secondary sex ratio (SSR), defined as the ratio of male to female live births. Our study cohort comprised 227 male partners who were enrolled prior to conception in Michigan and Texas between 2005 and 2009, and prospectively followed through delivery of a singleton birth. The male partners provided a baseline an...
متن کاملSeasonal Changes in Serum Testosterone, LDH Concentration and Semen Characteristics in Markhoz Goats
This experiment was conducted to study variations of serum testosterone and seminal characteristics of Markhoz male goats. Blood samples were obtained via jugular vein, and semen was collected by using an artificial vagina from 14 fertile male goats (2-3 years of age), at 15-day intervals starting on 15 July and ending on 30 October 2010 (during breeding and non-breeding season). Semen volume, ...
متن کاملThe Effect of Diffrent Factors on X- and Y Bearing Sperm in Bull Semen
Background: Newborn gender ratio is one of the most important factors in livestock industry. This ratio has affected on economic condition and controls sex-linked genetically transferred diseases. Offspring sex ratio is affected by such various factors. One of these factors is the Y to X bearing sperm ratio in normal semen that is called primary sex ratio, season and individual differences are ...
متن کاملSialic Acid in Human Semen
Sialic acid of seminal fluid of eighty two human subjects has been studied in relation to infertility. Normozoospermic group had highest sialic acid content (94 mgm/100 mt of the fluid) and was sign ificantly different from other groups. The lowest sialic acid level was observed: n necrozoosperm ic group (54 mgm/1 00 mt of the fluid). Azoospermic (62 mgm/100 ml) and vasectomised group (73 mgm/1...
متن کاملSerum ALT: LDH ratio in typhoid fever and acute viral hepatitis.
In 100 consecutive children aged below 18 years with confirmed typhoid fever, 29 had moderate hepatitis. Serum alanine amino transferase: lactate dehydrogenase (ALT: LDH) ratios of these 29 children at the time of hospitalization were compared with that of 29 children with acute viral hepatitis. The serum ALT: LDH ratio levels (expressed in multiples of upper limit of normal) was found to be le...
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ژورنال
عنوان ژورنال: Archives of Andrology
سال: 1982
ISSN: 0148-5016
DOI: 10.3109/01485018208987036