Heartwater infectious disease

General info with focus on South Africa.  Heartwater is an acute infectious disease responsible for severe losses among susceptible cattle, sheep and goats. Its causal organism, Cowdria ruminantium, is transmitted by the bont tick, Amblyomma hebraeum. In nature the disease can be transmitted only by this tick in its nymphal and adult stages and occurs only where this...

Keep your clip clean

Wool can and should be marketed as a natural, environmentally-friendly quality fiber. Anything that undermines this image can lead to consumer resistance and have a negative effect on the marketability and price of wool. Contamination of wool by foreign objects – like black hair, bale twine, wire, bolts, cigarette butts, matches, dog hair, pieces of cloth – pose...

Groenvoer vestiging

Groenvoer maak die beste ekonomiese sin waar dit aangewend word vir die afronding van lammers of ander vee vir bemarking.  Produksie van droëland groenvoer is wisselvallig.  Die belangrikste groenvoer-soorte is hawer, korog en rog. Water is die dryfkrag ‘n Duimreël is dat 100mm plantbeskikbare water, 2,3 ton droëmateriaal / ha kan lewer; 150mm omtrent 3,9 ton droëmateriaal /...