منابع مشابه
First report on in vivo fertility trial of frozen thawed boar semen in India#
The present study was conducted to evaluate the in vivo fertility of frozen thawed boar semen. Twenty ejaculates collected from six mature boars were frozen in a programmable freezer. After freezing the semen was evaluated for different sperm quality parameters. Twenty five sows were inseminated artificially utilizing frozen thawed semen. The percentage of sperm motility, live sperm, live intac...
متن کاملFertility of Bull Semen Frozen in Skim Milk Diluent
In Victoria the usual diluent for deep frozen bull semen consists of a mixture of egg yolk, sodium citrate and glycerol. The semen is equilibrated in this mixture for 17 hours prior to freezing. O’Dell and Almquist (1957), and Amman and Almquist (1957) found that survival of spermatozoa as assessed by motility was increased when the semen was diluted with a mixture of glycerol, fructose and ski...
متن کاملFertility of Ewes after Intrauterine Insemination with Frozen Semen
In an experiment involving the artificial insemination of 312 Merino ewes, fertilization, early (18 day), and late (100 day) pregnancy rates were examined after intrauterine insemination with frozen semen using a laparoscope. Oestrus was synchronized in ewes by progestagen sponge/PMSG treatment. After cervical insemination of fresh semen (control) 55 hrs after sponge removal, the fertilization,...
متن کاملField fertility of frozen boar semen: a retrospective report comprising over 2600 AI services spanning a four year period.
Worldwide, greater than 90% of sows are inseminated with fresh semen. Less than 1% is inseminated using frozen semen. Albeit, frozen semen is an effective technology for the transfer of genes between breeding pyramids and also to reliably provide semen for planned matings. Little information exists on the long term use of frozen boar semen in commercial pork production operations. The objective...
متن کاملFertility Higher with Pooled Duroc Semen than with Semen from One Boar
The aim of this trial was to investigate the fertility of semen doses that contain sperm from either one, three or six Duroc boars. The trial was conducted on five different farms where sows were randomly assigned to three different groups: Group 1: Sows were inseminated with semen doses containing sperm from one boar. Group 2: Sows were inseminated with semen doses containing sperm from three ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Australian Journal of Biological Sciences
سال: 1976
ISSN: 0004-9417
DOI: 10.1071/bi9760335