Performance testing is based on the measurements of key economic traits. These measurements, says WJ Olivier of the Grootfontein Agricultural Development Institute, are used to generate phenotypic indices or the estimation of breeding values.
The aim of a performance testing plan for a breed is to create a recordkeeping system and increase production and reproduction efficiency.
Performance testing can be divided into three parts:
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Bu hikaye Farmer's Weekly dergisinin Farmer's Weekly 21 April 2023 sayısından alınmıştır.
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Growing onion sets
Bill Kerr discusses what onion sets are, and how and when to produce them to obtain the maximum financial benefit.
Phalaenopsis orchids: tips to help them survive and thrive
Orchid expert Jacques Botha spoke to Linda Piegl about how to nurture the Phalaenopsis orchid, which requires precise watering and needs to be kept in a temperature-controlled environment.
Milking, the hi-tech way
This leading dairy farmer installed the largest rotary milking unit in the Southern Hemisphere.
Onion sowing choices
Your particular growing conditions will dictate whether you should use seedbeds, direct seeding, or plugs for sowing onions
Golden cattle for the bushveld
This article showed that a carefully selected new crossbreed offered sound advantages for extensive ranching in harsh areas.
The ins and outs of alpaca farming
The South African alpaca industry is on the rise, says Alison Notley, president of the South African Alpaca Breeders’ Society and owner of Helderstroom Alpacas near Villiersdorp. She spoke to Sinenhlanhla Mncwango about the origin of this gentle camelid and how its fleece is being processed into quality products.
Cheese and Rosemary Scones
Easy-to-make savoury treats that are great for lunch boxes.
Cape Town on a budget: a smart stay at the Holiday Inn Express
What's the best way to enjoy Cape Town's top food and nightlife without having to splurge on a five-star hotel? Brian Berkman has some good suggestions.
Managing grazing and hay production in Eragrostis fields
Summer is almost gone, so it’s time to start thinking about your pastures and hay for winter
Protecting the king of the hornbills
It is estimated that the southern ground hornbill’s original range in South Africa has decreased by two-thirds over the past century. Mike Burgess looks at the threats facing this iconic hornbill species and what is being done to halt its decline, including custodianship programmes that motivate landowners to protect it.
