To evaluate the genetic merit of dairy bulls

Dairy herds consist of lactating and dry (non-lactating) cows, replacement heifers of all ages and often a few dairy bulls. In large commercial dairy herds cows and heifers are mostly artificially inseminated (AI) with semen supplied by semen (or AI) companies. However, because it is sometimes difficult to get some cows (and heifers) pregnant through…

Read More
Nile Tilapia the preferred freshwater Aquaculture species for Africa

(Oreochromis niloticus) The culturing of fish is a very old practice in Africa, although commercial production of fish is still developing throughout the continent. Some fish species and strains are particularly suitable for commercial production. The Nile Tilapia (Oreochromis niloticus) is one of these very important fish species, introduced from Africa and the Middle East…

Read More
Water in agriculture

Water is a critical input for agricultural production and plays an important role in food security. Irrigated agriculture represents 20 percent of the total cultivated land and contributes 40 percent of the total food produced worldwide. Irrigated agriculture is, on average, at least twice as productive per unit of land as rainfed agriculture, thereby allowing…

Read More
Wes-Kaap Jongoer 2021

Alexander Gibson: Agri Wes-Kaap Santam Landbou se Jongboer van die Jaar 2021 Die 32-jarige Alexander Gibson van Ceres in die Witzenberg Vallei is Woensdagaand 19 Mei tydens ‘n glansgeleentheid in die Paarl as die Agri Wes-Kaap Santam Landbou Jongboer van die Jaar aangewys. Hy sal die Wes-Kaap later vanjaar by die nasionale Agri SA Toyota…

Read More
Climate change and milk composition in South Africa

The impact of fluctuating weather conditions has been evident throughout agricultural markets over the past decades. Dairy production in South Africa is responsive to the growing domestic and regional demand but is also sensitive to the producer price. The Western Cape, Eastern Cape and KwaZulu-Natal together are responsible for most of milk national production in…

Read More
Even your vet can make a mistake

Sadly, there are times when a vet will make a mistake. After all, vets are human beings. There may come a time when they make the wrong call, poorly manage a case, or overlook something important. These things, unfortunately, do happen. So, what can you do about it? We must understand that, like all of…

Read More
To cull cows early or not?

There seems to be a common perception among some local dairy farmers that cows may be culled earlier than their expected production lifespan when using high genetic merit bulls. This implies that daughters from such bulls would in first lactation produce more milk than older cows. In some herds cows are therefore culled after they…

Read More

The essence of dairy farming is the ongoing process of cows calving down once every year. Cows must calve down to start a new lactation period to produce milk. Cows are dried off about 50-60 days before the next expected calving date. Herd milk income increases when calving intervals (CI) of cows range between 12-13…

Read More
Boer van die maand

Ons boer van die maand vir Oktober is Nollie Stofberg van Swartwalle, Houmoed en Platdrif in die Rawsonville omgewing. Nollie het in 1977 aan die Hoërskool Goudini gematrikuleer en na sy twee jaar diensplig by 1 Valskermbataljon, het hy sy Landbou Diploma in Wingerdbou en Veeteelt aan Elsenburg Landbou Kollege in 1981 voltooi. Nollie vertel,…

Read More
Meester Suiwelboer 2020

Die jaarlikse Landbou Navorsingsraad (LNR) se Nasionale Meester Suiwelboer toekenningsgeleentheid is op Woensdag 21 Oktober 2020 as ‘n virtuele geleentheid aangebied deur Agri-Expo, namens die Nasionale Melkaantekening- en Verbeteringskema van die LNR. Die gesogte kompetisie vier Suid-Afrika se beste kommersiële en kleinskaal presteerders in die bedryf en word deur verskeie sleutelrolspelers as ‘n hoogtepunt op…

Read More