NMR Herd Improvement Services 2023

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Johne’s Disease _ Johne’s disease is a chronic, progressive intestinal disease caused by infection with Mycobacterium avium subspecies paratuberculosis (MAP). How do cows become infected with Johne’s? Cows are usually infected when young, with calves being 80% more susceptible in their first month of life. The calf may be infected while in the womb, by drinking infected colostrum and milk, or most commonly, by ingesting infected faeces. The organism may last for a year in slurry or on pastures. Only 1-5% of infected cows in a herd will show clinical signs of the disease. The rest of the infected animals will appear healthy, highlighting the need for testing. Infection is almost always introduced to a herd by purchasing infected replacement breeding stock, including bulls. How to get started with testing NMR recommends a whole herd ad hoc milk testing screen to detect initial overall herd level infection in dairy herds (blood screens can be performed for beef herds). If testing a limited number of cows you should target cows most likely to show a positive result: • Cows between three and seven years old • Cows that have problems with lameness, high SCC or mastitis • Cows with depressed milk yield Bulk milk Johne’s tests are not recommended due to the false confidence that can be placed on ‘low’ results - a relatively high percentage of animals could be shedding antibodies into the bulk milk tank before the test would return a ‘medium’ result. NMR offers a number of flexible testing options, enabling farmers to follow the National Johne’s Management Plan (NJMP) which now forms part of the Red Tractor farm assurance standards. Please leave six weeks after a TB test before commencing with a Johne’s test. 16 NMR Customer Services: 03330 043043 / customerservices@nmrp.com
Did you know? A Johne’s J0 Negative cow will produce about 800 litres more milk than a Johne’s J5 Positive cow over an average 305-day lactation. NMR Customer Services: 03330 043043 / customerservices@nmrp.com 17
Page 1: Herd Improvement Services
Page 4 and 5: Contents _ Milk Recording 5 Why Mil
Page 6 and 7: 4
Page 8 and 9: Why Milk Record? _ NMR’s trusted,
Page 10 and 11: Essential Sampling _ Essential Samp
Page 12 and 13: Shuttle Hire Service _ If you have
Page 14 and 15: Milk Pregnancy Testing _ At 99% acc
Page 16 and 17: 14
Page 20 and 21: Johne’s Testing Options _ NMR off
Page 22 and 23: BVD HerdCheck _ BVD (Bovine Viral D
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Page 26 and 27: GeneEze _ GeneEze produces robust,
Page 28 and 29: CLARIFIDE® Plus _ A genomic testin
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Page 32 and 33: Bulk Milk Testing _ NMR tests 98% o
Page 34 and 35: Milk Quality Monitoring _ We offer
Page 36 and 37: Parlour Hygiene _ Testing your exis
Page 38 and 39: Water Testing _ NML’s water testi
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Page 42 and 43: Herd Companion _ NMR’s free onlin
Page 44 and 45: UNIFORM Pro _ A version of the UNIF
Page 46 and 47: InterHerd+ _ InterHerd+ is a compre
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Page 50 and 51: Nordic Star Ear Tags _ NMR’s Nord
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Page 54 and 55: NMR Herd Management Diary _ Fully c
Page 56 and 57: NMR 500 Herds KPI * Study _ This st
Page 58 and 59: RABDF / NMR Gold Cup _ Since its in
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Page 62: Get in touch _ NMR Customer Service

NMR Herd Improvement Services 2023

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