C.A.H.L.

CAHL Ltd.
Tullow
Co. Carlow
Ireland

Tel:
+353 (0) 59 915 1251
Fax:
+353 (0) 59 915 1856
Mail:
cgibson@cahl.ie

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Nutribio

Nutribio Ltd.
Tivoli Industrial Estate
Cork
Ireland

Tel:
+353 (0) 214 507 303
Fax:
+353 (0) 214 507 152
Mail:
orders@nutribio.ie

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Archive for the ‘Tech Link’ Category

The Vital 90

The Vital 90 Issue Identification The transition period is the biggest challenge to herd immunity and health The highest level of veterinary interventions is in this period (80% of yearly total = €48.00 per cow) Source: Teagasc (2015) Stress levels are also at their highest (for farmer and […]

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Calf Rearing – Maximising Genetic Potential and Lifetime Performance

It is vital to utilise the key calf rearing period to maximise the genetic potential and lifetime performance of your calves.

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Dry Cow Management – Hygiene and disease prevention

Hygiene while housing dry cows is key to a successful dry cow management programme. It helps to ensure disease prevention and calving down in optimum health.

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Body Condition Score, Liver Fluke & Immunity

Body Condition Score, Liver Fluke & Immunity Body Condition Score (BCS) of cows is a key management tool in ensuring that Negative Energy Balance (NEB), an unavoidable condition in early lactation, is controlled and minimised. BCS monitoring throughout the year allows the farmer to actively select and […]

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Nutritional Management for Autumn Calving Herds

In spite of the current low milk prices, there are some fundamental management and nutritional practices that should be adhered to coming into the dry period for autumn calving cows. These basic principles will help to reduce costs overall through improved production and less sick animals, and of course will ultimately result in improved fertility performance.

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Managing the Post-Calving Cow

Calving is already underway in some of the earlier spring calving herds in the country, with the majority of herds due to begin calving in the next few weeks. The transition period (3 weeks before and 3 weeks after calving) is a crucial time on dairy farms, and if successful, lays the platform for good production and fertility later in lactation. Any incidence of metabolic disorders in early lactation cows will reduce intake, milk production and fertility performance.

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Silage Stocks Tightening

The recent heavy rainfall has meant that grazing conditions are very difficult on many farms, very little fertiliser has been spread and a lot of stock are still fully housed. Consequently, silage stocks are starting to tighten on many farms. Farmers are encouraged to:

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Trace Element Supplementation at Grass

Mineral imbalances and deficiencies are quite common in Irish grazing situations, while supplementation at grass can prove difficult, especially where little or no concentrate supplementation is fed.

Mineral imbalances may be noticed in isolation or in combination. Imbalances of major elements may cause rickets, lameness, milk fever, lambing sickness, tetany, reduced appetite, reduced milk yield and depraved appetite. While deficiency of trace elements may cause ill-thrift, abortion/placental retention, perinatal calf death, reduced immunity in calves and cattle. Susceptibility to bacteria and parasites, infertility in cows, reduced fertility in bulls, lowered milk yield, lameness, slow healing of wounds and poor skin/hair quality.

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Calcium and Magnesium’s Critical Role in the Transition Period

Most dairy farmers are now in the midst of calving and as such their cows are in the Transition Period (3 weeks pre-calving to 3 weeks post calving)

Managing the dairy cow during the transition period to minimise metabolic disorders and maintain high levels of immunity is critical for optimising fertility, milk yield and quality in the next lactation.

In the pre-calving transition period the objective is to minimise sub clinical and clinical milk fever (also known as the gateway disease) and this is achieved by minimising the amount of Calcium in the dry cow diet along with the addition of 30 grams of magnesium and 30,000iu’s of vitamin D3 per day

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