Navigation Links
Improving survival of pig sperm
Date:4/24/2013

URBANA Although U.S. cattle genetics are exported all over the world in the form of frozen semen, the same is not true for pigs because boar semen does not freeze well. In an attempt to improve semen storage and pig reproduction, animal scientists at the University of Illinois are looking at how sperm survives in the sow oviduct.

"Many mammals and birds will store sperm for some period of time," said associate professor of animal sciences David Miller. "Pigs will store sperm for 24 to 48 hours." Sperm must be stored in species in which mating and ovulation are poorly synchronized.

Miller and his team wanted to understand the adhesion system that retains the sperm. Previous research indicated that sugars in the oviduct were an important part of the process, but it was not clear which ones.

They screened hundreds of sugars, using an array on a microscope slide to which they added fluorescently labeled boar semen. When the semen bound to a sugar, fluorescence was visible on the slide. They identified two sugars: sialylated lactosamine and Lewis X.

The next step is to identify the receptor on the sperm.

"We'd like to know exactly which molecules the sugars bind," Miller said. "Then maybe we could develop a laboratory test for those molecules. If sperm have a lot of them, then maybe it would be possible to inseminate only once rather than two or three times, as is typical when inseminating sows."

He also noted that a better understanding of the storage process might also help them to determine what goes wrong when sperm are less fertile. If the problem is linked to the storage process, it might be possible to develop therapies to correct it.

Another question to explore is how the sugars lengthen sperm life span. If this could be determined, it might be possible to extend the time that semen can be stored, making it easier to ship it to other places. "If we can improve storage and transportation, we c
'/>"/>

Contact: Susan Jongeneel
sjongene@illinois.edu
217-333-3291
University of Illinois College of Agricultural, Consumer and Environmental Sciences
Source:Eurekalert

Page: 1 2

Related biology news :

1. Genetic research develops tools for studying diseases, improving regenerative treatment
2. Interventional radiology: Mitigating symptoms, improving quality of life of MS patients
3. Improving equine health: Research studies vaccinations to protect newborn foals
4. Global Surgical Devices Market Growth Driven by Improving Standards of Living and Longer Life Expectancies, Research Shows
5. Validity CTO to Present Natural ID Solutions for Improving Mobile Risk Management and User Experience at NFC Solutions Summit 2012
6. Waste to watts: Improving microbial fuel cells
7. Improving water quality can help save coral reefs
8. GOCEs second mission improving gravity map
9. U of Minn. receives $1.8 million grant for improving efficiencies in fuel and plastics production
10. Improving the development of new cancer models using an advanced biomedical imaging method
11. Improving DNA amplification from problematic plants
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:11/21/2014)... , Nov. 20, 2014   Atmel® Corporation ... microcontroller (MCU) and touch technology solutions, today launched the ... with the widest V cc range from ... accuracy and faster I 2 C bus communication speeds, ... EEPROM memory making them ideal for consumer, industrial, computer, ...
(Date:11/18/2014)... 17, 2014   News Highlights: ... to develop The Partners Data Lake, an agile ... Data Lake will allow researcher and clinicians to ... and the lives of patients , The ... activities across the Partners system, breaking down physical ...
(Date:11/18/2014)... NEW YORK , Nov. 18, 2014 /PRNewswire/ ... iris-based identity authentication solutions, and MorphoTrust USA ... solutions and services, today announced a strategic partnership ... across enterprise, motor vehicle administration (MVA), airport screening ... leader in identity-related solutions, MorphoTrust serves consumers through ...
Breaking Biology News(10 mins):Atmel Launches Industry's First Wide-V(cc) Low-Power Temperature Sensor Family 2Atmel Launches Industry's First Wide-V(cc) Low-Power Temperature Sensor Family 3Atmel Launches Industry's First Wide-V(cc) Low-Power Temperature Sensor Family 4Partners HealthCare and EMC Unite to Solve Health Care's Toughest Challenges Using Big Data 2Partners HealthCare and EMC Unite to Solve Health Care's Toughest Challenges Using Big Data 3Partners HealthCare and EMC Unite to Solve Health Care's Toughest Challenges Using Big Data 4Partners HealthCare and EMC Unite to Solve Health Care's Toughest Challenges Using Big Data 5EyeLock, MorphoTrust Form Strategic Partnership to Pursue Commercial Enterprise Deployments 2EyeLock, MorphoTrust Form Strategic Partnership to Pursue Commercial Enterprise Deployments 3
... recognized as essential to the advancement of scientific knowledge. ... collaborative settings has been studied for some time, little ... established and maintained through virtual organizations. An interdisciplinary ... York (CCNY) is studying how virtual organizations, where people ...
... / b3c newswire / - KINAXO Biotechnologies GmbH ... will enter into collaboration. KINAXO will apply its ... novel biomarkers in a clinical trial conducted by ... and quantification of regulated phosphorylation sites. Since the ...
... scientists from the Mayo Clinic in Jacksonville, FL, may ... actually removes amyloid plaquesconsidered a hallmark of the diseasefrom ... FASEB Journal ( http://www.fasebj.org ), is based on ... (microglia) are activated by the interleukin-6 protein (IL-6), they ...
Cached Biology News:CCNY researchers study scientific collaboration in age of internet 2KINAXO Biotechnologies and Bayer Vital GmbH Collaborate in Phosphoproteomics Biomarker Identification 2KINAXO Biotechnologies and Bayer Vital GmbH Collaborate in Phosphoproteomics Biomarker Identification 3KINAXO Biotechnologies and Bayer Vital GmbH Collaborate in Phosphoproteomics Biomarker Identification 4Scientists remove amyloid plaques from brains of live animals with Alzheimer's disease 2
(Date:12/19/2014)... December 19, 2014 BioPlus Specialty ... pharmacies, announces the promotion of Nick Maroulis, Pharm.D. to ... Pharmacy Services. , In this position, Dr. Maroulis ... also managing the directors of our multi-site pharmacies as ... since 1997 and during that time he has served ...
(Date:12/19/2014)... 19, 2014  Roche (SIX: RO, ROG; OTCQX: RHHBY) ... (Bina), a privately held company based in ... provides a big data platform for centralized management ... Bina,s proprietary on-market Genomic Management Solution, Bina-GMS 1 ... perform fast and scalable analyses to maximize the ...
(Date:12/19/2014)... , Dec. 19, 2014 Decision Resources Group ... grow at a 12 percent compound annual growth rate ... the aging population and the increasing adoption of dental ... will also spur demand for dental biomaterials ... implant and periodontal treatments. Other key findings ...
(Date:12/19/2014)... Altamonte Springs, FL (PRWEB) December 18, 2014 ... one of the nation’s leading specialty pharmacies, has ... who serve as clinical pharmacy consultants for prescriber ... disease therapy expertise. , “We have a ... disease therapies. For example, those specializing in hepatitis ...
Breaking Biology Technology:BioPlus Specialty Pharmacy Promotes Dr. Nick Maroulis to Vice President of Specialty Pharmacy Services 2Roche acquires Bina Technologies and enters the genomic informatics market 2Roche acquires Bina Technologies and enters the genomic informatics market 3Latin American Dental Biomaterial Market Will Expand at a 12 Percent Annual Growth Rate Through 2023 2Latin American Dental Biomaterial Market Will Expand at a 12 Percent Annual Growth Rate Through 2023 3BioPlus Specialty Pharmacy Expands ‘Regional Pharmaceutical Care Liaison’ Team 2BioPlus Specialty Pharmacy Expands ‘Regional Pharmaceutical Care Liaison’ Team 3
... to Host Conference Call and Webcast on Wednesday, June 17 ... BRUNSWICK, N.J., June 16 Savient Pharmaceuticals, Inc. (Nasdaq: ... appointed by the U.S. Food and Drug Administration (FDA) recommended ... KRYSTEXXA(TM) (pegloticase), a biologic PEGylated uricase enzyme, be granted marketing ...
... WYE ) (the "Company") announced today that holders of ... Debentures") have the right to surrender their Convertible Debentures for ... July 15, 2009 purchase date. As of June 12, ... Debentures outstanding. , , At the option of each ...
... , PHILADELPHIA, June 16 The Pew Charitable Trusts today ... in the Biomedical Sciences. The rigorously competitive program provides $60,000 ... leading researchers in the United States. Upon returning to Latin ... to continue their research in their home countries. , ...
Cached Biology Technology:FDA Appointed Arthritis Advisory Committee Recommends U.S. Food and Drug Administration Approval for KRYSTEXXA(TM) for Refractory Chronic Gout 2FDA Appointed Arthritis Advisory Committee Recommends U.S. Food and Drug Administration Approval for KRYSTEXXA(TM) for Refractory Chronic Gout 3FDA Appointed Arthritis Advisory Committee Recommends U.S. Food and Drug Administration Approval for KRYSTEXXA(TM) for Refractory Chronic Gout 4Wyeth Announces Holder Right to Surrender Convertible Debentures 2Wyeth Announces Holder Right to Surrender Convertible Debentures 3Wyeth Announces Holder Right to Surrender Convertible Debentures 4Ten Top Latin American Scientists Named 2009 Pew Fellows in the Biomedical Sciences 2Ten Top Latin American Scientists Named 2009 Pew Fellows in the Biomedical Sciences 3
... Sheep polyclonal to Decorin ( ... Antigen: Synthetic ... to amino acids 6-19 of Human ... molecule bone proteoglycan II). ...
... all Programmable and Digital Orbital Shaker. Our durable, ... to make every day use even easier. This ... up to 4 different programs. Its easy recall ... Furthermore, the VSOS-4P has a pulse operation for ...
... The Antibody Validation Service enables early ... further development by providing quantitative data ... limit of each antibody. Furthermore quantitative ... the off-target activity of your antibodies., ...
... is a new generation of microarrays to ... enables you to rapidly elucidate alternatively spliced ... relevant for drug discovery. The service combines ... design and customized analysis with Agilents robust ...
Biology Products: