gerhard van der horst

Sea urchin sperm

By |2020-10-15T11:23:23+02:0015 Oct 2020|Blog|

Sea urchin sperm: Appearance, collection and measurement of sperm motility - the ideal CASA solution! Sea urchins belong to the phylum Echinodermata meaning “spiny skinned”. There are five classes of Echinodermata and three of these are indicated below in Fig. 1 (A to C): The sea stars, the sea urchins and the [...]

Webinar: El uso de los sistemas computarizados de análisis de semen (CASA) en Investigación – 15 de octubre

By |2020-09-30T16:01:01+02:0030 Sep 2020|News|

Microptic organiza un nuevo webinar gratuito el día 15 de octubre: El uso de los sistemas computarizados de análisis de semen (CASA) en Investigación. ¿Cuál es el equipo esencial para Investigación? ¿Qué es mejor: semen puro o esperma lavado? ¿Cómo se deben utilizar los datos cuantitativos? ¿Cuáles son los análisis más importantes [...]

Domestic animals

By |2020-07-20T13:04:16+02:0020 Jul 2020|Blog|

How to improve your domestic stock through intelligent solutions! The importance and size of the global domestic animal market is enormous and only the beef market translates to USD 332.9 billion in 2020 with a revenue forecast of about USD 383.5 billion by 2027. The beef market is dominant in USA and [...]

Bee sperm (II)

By |2020-05-15T12:43:10+02:0015 May 2020|Blog|

A major breakthrough: Fully automated Computer Aided Sperm Motility Analysis of African bee sperm! We alluded in an earlier blog to the importance of bees as keystone species globally and provided some background on the reproduction of the African bee and our research on bee sperm. Sperm motility in all animals including [...]

Infertility

By |2020-02-18T11:48:16+01:0018 Feb 2020|Blog|

Is infertility a disease or a condition or a symptom? Is infertility a disease or a condition or a symptom? This aspect is much debated and very diverse opinions exist on this topic. But let us first review some formal considerations: The World Health Organization defines infertility to be “a disease of [...]

Rhinoceros sperm

By |2020-01-15T10:39:28+01:0015 Ene 2020|Blog|

The African rhinoceros’ crisis: What can reproductive biologists do? Fig. 1: African white rhinoceros shortly after darting (horns have been cut so that poachers may be less interested). There are two species of African rhinoceros, the black rhinoceros, Diceros bicornis, and the white rhinoceros, Ceratotherium simum (Fig. 1). South Africa [...]

Elephant sperm

By |2019-09-17T12:26:50+02:0017 Sep 2019|Blog|

First comprehensive CASA study of Free ranging African elephant sperm in the wild: What does it take? It is seldom realized what it really takes to perform such a formidable research task in the total wilderness. It is not as if there are ten elephants behind bars waiting for semen collection in [...]

Frog sperm

By |2019-07-17T10:00:33+02:0017 Jul 2019|Blog|

Frogs are both sentinel and keystone species and globally threatened: The need to study their sperm biology! Fig. 1: Amazon tree frog during amplexus. (https://live.staticflickr.com/2042/2432835781_af64b46f2f_b.jpg) Everyone knows what a frog is but where do these fascinating animals fit in the Animal Kingdom? They are amphibians (can live on land - [...]

PhD students from Cape Town

By |2019-06-19T16:47:21+02:0019 Jun 2019|Blog|

Five PhD students of the Comparative Spermatology Group in Cape Town all use the SCA CASA system with great effect! Cape Town must have among the most active SCA CASA users in the world in a radius of 25 km. Approximately 30 scientists, students and embryologists from the University of the Western [...]