Home
http://www.virbac.fr/ http://www.boehringer-ingelheim.com/ http://www.novartis.com/ http://www.animalhealth.bayerhealthcare.com/
vetcontact
Vetrinär
Tiermedizin
  WELCOME  
vetcontact
Vetrinär
Tiermedizin
  Privacy Policy  
  Home  
  Login / Newsletter  
vetcontact
Vetrinär
Tiermedizin
  CONTACTS  
vetcontact
Vetrinär
Tiermedizin
  Classifieds  
  New Products  
  VetCompanies  
  VetSchools  
vetcontact
Vetrinär
Tiermedizin
  PROFESSION  
vetcontact
Vetrinär
Tiermedizin
  Edutainment  
  VetAgenda  
  Presentations  
  Posters  
  ESAVS  
  Specialisation  
vetcontact
Vetrinär
Tiermedizin
  INSIGHT  
vetcontact
Vetrinär
Tiermedizin
  Congress News  
  Picture Galleries  
vetcontact
Vetrinär
Tiermedizin
  PRODUCTS  
vetcontact
Vetrinär
Tiermedizin
  Bayer  
  Boehringer Ing.  
  Novartis  
  Virbac

 
  Simply book for less...  
    

Bovine    Equine    Small Animal Practice    Swine Practice    Articles    Vetjournal    
deutsch english español polski francais
Home / WELCOME / Archiv / Swine Practice /     
 
Role of Sperm Cell Dose and Post-insemination Backflow in Sows
Artificial insemination is a standard procedure in sows, but often the results are not as good as in other species. There are various reasons for this, and one of them might be that the sperm cell dose and the post-insemination semen backflow are probably underestimated, as this study shows.

This study was carried out to evaluate the effects of the sperm cell dose and semen backflow on the pregnancy rate and number of embryos of sows inseminated once at 024 h before ovulation, using an intrauterine technique.

The results were analysed from a total of 211 sows assigned to three groups inseminated with doses of 0.25 109 (T1), 0.5 109 (T2) and 1.0 109 (T3) spermatozoa.

Semen backflow was observed in 95% of the females (143/151) evaluated for this purpose.

The percentage of semen backflow is close to two-third of the volume and the percentage of sperm is around 15% of the infused sperm dose.

Intrauterine insemination can be successfully performed provided that at least 0.5 billion of sperm cell dose is infused at an interval of 024 h before ovulation.


Source: Mezalira, A, Dallanora, D, Bernardi, ML, Wentz, I & Bortolozzo, FP (2005): Influence of Sperm Cell Dose and Post-insemination Backflow on Reproductive Performance of Intrauterine Inseminated Sows. In: Reproduction in Domestic Animals 40 (1), 1-5.




Tell a friend   |   Print version   |   Send this article

SWINE PRACTICE

Beta hydroxy beta methyl butyrate and the muscle fibre composition in growing pigsmembers
The aim of this recently online published study was to investigate the effects of excess leucine (Leu) vs. its metabolites α‐ketoisocaproate (KIC) and β‐hydroxy‐β‐methyl butyrate (HMB) on Leu metabolism, muscle fibre composition and muscle growth in growing pigs. Thirty‐two pigs with a similar initial weight (9.55 ± 0.19 kg) were fed 1 of 4 diets for 45 days: basal diet, basal diet + 1.25% L‐Leu, basal diet + 1.25% KIC‐Ca, basal diet + 0.62% HMB‐Ca. The results are very promising!

  • L-carnitine as a feed additive in pigs and poultrymembers
  • PCV-3 in pig serum samples from Spainmembers
  • Oral fluid and plasma oxytetracycline concentrations after i.m. administration in pigsmembers
  • Novel highly pathogenic porcine reproductive and respiratory syndrome virus in Chinamembers
  • Calibration of the TonoVet and Tono-Pen Vet tonometers in pigs´ eyesmembers
  • Measurement of serum cobalamin and folate concentrations in pigs with commercially assaysmembers
  • Commercially available immunoassays for serum cobalamin and folate in pigsmembers
  • Ultrasound-guided vessel catheterization in adult pigsmembers
  • Association between porcine cytomegalovirus infection and PMWSmembers
  • Suitable antibiotic therapy to treat swine brucellosismembers
  • Pancuronium versus vecuronium in pigs members
  • Haemodynamic effects of pancuronium and vecuronium in pigsmembers


  • [ Home ] [ About ] [ Contact / Request ] [ Privacy Policy ]

    Copyright © 2001-2018 VetContact GmbH
    All rights reserved