Blog

New CASA in East Africa: Tanzania

Por |2018-11-30T09:17:36+01:0021 Nov 2018|Blog|

A new CASA system for East Africa, Tanzania, for the National Artificial Insemination Centre: A unique situation! Fig. 1: Entrance to NAIC with administrative quarters and laboratories. In Tanzania and elsewhere in Africa there is a great need to improve the quality of livestock in general and particulalrly cattle such [...]

Declining sperm count

Por |2018-10-18T16:49:08+02:0018 Oct 2018|Blog|

Human zero sperm count in the next generation: Really? What are the facts? The aspect of declining sperm count has been debated over many decades and is very controversial. Recently Dr Haqgai Levine presented a paper at the 13th International Symposium on Spermatology in Stockholm that sperm numbers are declining and represent [...]

Reflections after ISS 2018

Por |2018-06-19T11:22:04+02:0019 Jun 2018|Blog|

Three participants at XIII International Symposium on Spermatology explain to us their thoughts on the event: Prof Gerhard van der Horst, Prof Stefan du Plessis and Dr Liana Maree. Representing your country and institution at any international conference is always a great honour, but with that also comes a [...]

Rabbit sperm

Por |2022-08-30T11:50:54+02:0014 May 2018|Blog|

Not Easter bunnies or hares, but rabbit reproduction and sperm Fig. 1: Captive bred rabbits There is a new focus on rabbits in terms of their so called prolific breeding rate, huge demand for rabbit meat production globally, but also ethical issues in terms of animal experimentation in medical research. [...]

Manatee sperm

Por |2018-04-11T16:55:19+02:0011 Abr 2018|Blog|

Sperm analysis of West Indian manatee by University of Florida Aquatic Animal Health Program team using SCA® CASA System Fig. 1: West Indian manatee from Florida. Modified from National Geographic. The West Indian manatee (Trichechus manatus spp.) is a large herbivorous mammalian species (average length 3 meter and weight 500 [...]

SCA Tricks

Por |2018-03-14T17:21:52+01:0014 Mar 2018|Blog|

Tricks for optimizing the analysis of sperms with the SCA     1. The presence of bubbles inside the counting chamber may alter the results obtained by your SCA. This occurs when: a) Non-optimal counting chambers are used for automatic analysis. b) The counting chamber is not filled in correctly. - Micropipettes [...]

Rat sperm morphology

Por |2018-02-14T17:01:10+01:0014 Feb 2018|Blog|

Not of Mice and Men but Rat sperm morphology quantified In a previous Microptic blog in 2015, we reported on the SCA TOX system of Microptic and its uses in reproductive toxicology testing. It was further indicated that tailor made modules exist for sperm motility, vitality, fragmentation and that in principle it [...]

Questioning abstinence periods

Por |2018-01-18T17:04:50+01:0018 Ene 2018|Blog|

Better sperm motility and kinematics after short vs. long ejaculatory abstinence It has long been observed that semen volume, sperm concentration and total sperm counts increase with increasing duration of abstinence; However, recent studies suggest that there is a paradoxical improvement of sperm motility and kinematic parameters with shorter abstinence periods. [...]