CAHL Ltd.
Tullow
Co. Carlow
Ireland
Nutribio Ltd.
Tivoli Industrial Estate
Cork
Ireland
COVID-19 – CAHG Business Update The Co-Operative Animal Health group (Nutribio, CAHL and AHD) being part of the supply chain for food has been deemed an essential service by the Government of Ireland and will therefore continue to operate under the current guidelines for the immediate future. […]
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Buffer Feeding Rotational grazing gives greater control over grassland management and a well managed sward will have a high energy value, a developed third leaf represents 45% of the yield. When utilizing Buffer feeding in grassland management due to growth rates and available covers it is key […]
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Milk Recording Spring 2019 The figures in the table above are based on an average lactating cow of 580 kg with a herd average of 26 litre. Examining a recording sheet 48%-50% of the herd can be over the average by 3 litres per cow and 20% […]
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Calving is in full swing at present and the two issues standing out are clinical milk fever and ketosis.
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Grass is recovering in supply but is very green, the protein percent is high and the dry matter percent and sugar per cent is down. This is reflected in the milk lactose readings over the month of September as can be seen in Table 1 below.
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In fertilising the grazing sward until close out it is important to not apply the 27 to 35 units per acre as straight nitrogen. This will result in protein readings of 22% to 27% which a significant excess of the requirements for 16 to 23 litres of milk per cow per day.
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Heat Stress Update
Over the past week temperatures have risen to 28ᵒC on farm. Cows are just lying down and not grazing in the afternoon resulting in a drop in dry matter intake and milk yield.
The issue: the cows need shade, where cows are brought in at 2pm the observation is that cows are taking up to 20 minutes to cool down and then graze the buffer. Leave them have access to the cubicles to lie down and ruminate. They are grazing out their full buffer allocation, where they are brought in around 4 pm they are only grazing approximately 1/3 of buffer allocation before evening milking.
The weather for the last four weeks is impacting on grass growth where adequate covers per hectare are creating a management challenge. Farmers are trying to maintain rotations of 16 to 19 depending on the soil type, moisture and the dry matter intake for the production. To maintain this buffer, feeding has started with 4Kg DM to 7Kg DM preferably fed before evening milking indoors as the cows will have shade and will consume more. Water availability is critical in keeping the cow cool and maintaining dry matter intake.
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The target for every dairy farmer is to maximise productivity for the lactating dairy cow while controlling production costs. Many management factors are involved in successful production including worming of the dairy cow.
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