1 edition of Rearing autumn born Friesian dairy heifers found in the catalog.
Rearing autumn born Friesian dairy heifers
Previous ed., 1982.
|Statement||ADAS, Ministry of Agriculture, Fisheries and Food.|
|Series||Booklet / Ministry of Agriculture, Fisheries and Food -- 2379, Booklet (Great Britain. Ministry of Agriculture, Fisheries and Food) -- 2379.|
|Contributions||Agricultural Development and Advisory Service.|
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Rearing dairy heifers from birth to first calving is an expensive investment which takes a significant time to repay. Using data from dairy farms, we calculated an average cost for rearing a heifer to calving of £, or £/day.
It took farms an estimated days, or lactations, to repay this by: Dairy heifers only start to produce a return on investment at first calving. The length of the non-productive rearing period is largely governed by farmer decisions on plane of nutrition and reproduction management.
Primary data were collected from dairy farms and a cost analysis workbook developed to calculate individual inputs in each of three periods to determine which Cited by: 8. Mortality in Holstein-Friesian calves and replacement heifers, in relation to body weight and IGF-I concentration, on 19 farms in England Article (PDF Available) in animal 3(8) August.
A Study of Dairy Heifer Rearing Practices from Birth to Weaning and Their Associated Costs on UK Dairy Farms Article (PDF Available) in Open Journal of Animal Sciences 05(02). Rearing dairy heifers is the second largest annual expense of a dairy enterprise’s production costs after feed, with no return on investment until the first lactation .
Recent expansion in the size of UK dairy herds has placed added pressure on existing labour and infrastructure resulting in minimal management of replacement by: 2. The life of: dairy cows The dairy cows of today descend from wild ox, known as aurochs (Bos primigenius), that were found in most areas of Europe, Asia and North Africa.
Cattle are thought to be one of the first animals to be domesticated, aro years ago1. Aurochs became extinct thin the 17 century but today we have over one thousandFile Size: 1MB.
With the attention on many dairy farms turning to the oncoming breeding season, in the sixth instalment of ‘George goes dairy farming’ – a series brought to you by AgriLand and Progressive Genetics – new entrant and former ‘First Dates’ star, George Beattie, made a stop in the Royal County earlier this year.
On a wet and miserable day, he visited the farm of Patrick. The experiments were on 3 farms and the calves, 64 Friesian, 64 Ayrshire and 96 Dairy Shorthorn, were representative of the cattle in the district in which the farms were situated.
The calves were autumn-born and at the beginning of the first winter they were directed into 2 groups, one reared on a high plane of nutrition and the other on a moderate : M. Westmacott. Of two farms using more grass-based systems, one kept predominantly New Zealand Friesian type animals along with some Viking Red cross Friesian and the other had a large number of mixed breed cattle with many Jersey and Jersey crosses alongside Friesian cross heifers.
From these farms, dairy heifer calves were recruited, with a range of 26 Cited by: 7. Dairy farmer resources, news and events information from the industry good organisation DairyNZ, representing New Zealand dairy farmers.