101Smart Ltd

Flying herd vs closed herd

Purchasing or rearing herd replacements comes with respective advantages and disadvantages.
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Flying - advantages

 

Closed - advantages

Eases pressures if housing/acreage is limited

 

Removes risk of bringing disease on farm and consequently to overall herd health

If labour is tight, more time can be focused on the main dairy herd

 

Control over herd genetics

Flexibility – 2 years saved if decide to change cow ‘type’ or farming system

 

Better for cashflow – rearing costs can be reliably estimated

 

 

Animals already used to your system

Flying - disadvantages

 

Closed - disadvantages

Stress of new farm/different system could negatively impact health of cow – despite what you may have paid for it!

 

More pressure on calving pattern in order to retain flow of replacements

Market prices – if the prices are particularly high when you need replacements, there may be the temptation/need to overpay

 

Loss of beef calf income

 

 

Risk of mortality at calf stage

In the last two months alone, the average cost of an in-calf heifer at a local market has ranged from £1,129-£1,687.

This combined with the information shown in the table below, suggests that cost-wise, there is not too much in it!  It is largely down to personal preference and the availability of resources.

Cost of rearing

 

Lost calf sale

£ 250

Feed

£ 350

Forage

£ 150

Bedding

£ 125

Vet/AI/Sundries

£ 125

Share of overheads*

£ 475

Total costs

£ 1,475

*including: labour, power and machinery costs, property costs, finance charges, admin costs

Contract rearing

An alternative option for closed herds that are limited on space and labour can be contract rearing.  The costs of this are fixed, which helps plan cashflow yet you keep the benefits of breeding your own replacements.

However there is a risk with this system that your rearer does not look after them to your standard.  There is also still a disease risk – for example, the heifers could get caught up in TB restrictions making movements between holdings more difficult.

Kathy Harris

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