Efficiency

Solero daughter Trien 573

CRV bulls: new stars and proven chart toppers

CRV aims to contribute to a future-proof and sustainable dairy sector by helping farmers to breed healthy and efficient cows. In this index run, CRV presents many bulls with the ability to transmit these traits to their progeny. The results are a better life for the animals, added value for the farmers and respect for our environment. We are proud of our bulls, but above all proud of all farmers! 
All-round profile with positive bonuses for fat and protein
Barnkamper Majestic (s. Simba) offers a wonderful production profile (1295 kg) combined with good health traits…

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Average lifetime production per cow leaps by more than 1200 kg

A huge leap forward in the lifetime production achieved by cows at culling has been revealed in the 2018-2019 financial year. Compared with the previous financial year, lifetime production has increased by 1210 kg of milk and 96 kg of fat and protein. This is the first time that such a significant difference has been shown in two consecutive financial years. At culling, Dutch cows now note lifetime production that averages 31,553 kg of milk, with 1371 kg of fat and 1120 kg of protein. A combination of a longer productive life and higher milk production is behind this i…

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Dairy farmer Willem Alders about feed costs

‘Difference in feed conversion financially interesting’

The income over feed costs is a key financial factor for Willem Alders. Feed intake data really opened his eyes to the individual differences between cows. ‘The poorest performing animals add little or nothing to the total income over feed costs. However, the best performing animals contribute more to the profit than expected’, he states.

Willem Alders had expected there would be differences, but such a large variation in feed conversion rates between individual cows came as a big surprise to the dairy farmer. The Alders family from Overloon started registering the …

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CRV test farm Van Gastel

‘Huge variations in feed efficiency’

‘If breeding helps us create cows that convert feed into more milk, that’s interesting from a financial perspective and beneficial for the environment and the climate’, according to dairy farmer Thijs van Gastel. For a few months now, the feed intake of individual cows has been measured on his farm. ‘And we are already seeing huge variations’, he says.

In the feeding passage in the barn at Melkveehouderij van Gastel in Nispen, Brabant, the first thing you notice are 20 large blue feeder troughs. With a slight hiss, adjustable panels lower and lift to allow the cows …

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Delta Jacuzzi’s foundation cow achieves 10 tonnes of fat and protein

Veneriete Sylke, foundation cow of Jacuzzi, came to the Westeneng family’s farm in Kockengen in 2007, as an in-milk heifer from the Delta breeding programme. Last month, she reaches a lifetime production there of more than 10,000 kg of fat and protein: 118,262 kg of milk with 4.88 % fat and 3.58 % protein (4,079 days).

Veneriete Sylke (O-Man x Webster x Cash) was bred from the Etazon Hyde family of Veneriete Holsteins in Kampen (The Netherlands). She came into milk production on what was then the Delta test farm in Kollumerpomp. During her first lactation she moved …

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