New tool to measure the welfare of NZ dairy cows

Veterinary researchers at Massey University have created a way to assess the welfare of dairy cows within a day.

New Zealand has no industry-recognised protocol to assess dairy cow wellbeing, but the researchers say protocols tailored to NZ dairy farms are ‘essential’.

Further testing is needed, but the team say this protocol could form the basis of a standardised process for monitoring the health of the country’s dairy farms.

According to a “simple summary” of their paper:

Systematic welfare assessment protocols are increasingly being used as a tool to demonstrate animal welfare and to drive improvements within the industry.

Despite dairy products from New Zealand trading on the ‘green’ image of extensive pasture-based farms, dairy cattle welfare is not routinely assessed on most New Zealand farms, and there is no industry-recognised protocol for such assessment.

Drawing on protocols and studies from across the world, this project aimed to create a science-based but practical assessment of dairy cow welfare that could be undertaken as a single one-day visit with a focus on assessment around milking time.

After in-farm testing, this project identified 32 assessments which could form a part of such a protocol. Although further testing is required, this protocol could form the basis of a standardised assessment of dairy cow welfare on New Zealand dairy farms.

The paper’s abstract notes that NZ is a a leading producer and exporter of dairy products, and says a New Zealand-specific protocol is essential, because almost all dairy farms in New Zealand are pasture-based and housing is rarely used.

Therefore, protocols developed for intensive cows are not suitable.

The aim of the study was to develop a simple yet practical welfare assessment protocol that could be used to assess the welfare of a dairy herd during one visit timed to occur around milking.

Six welfare assessment protocols and four studies of dairy cattle welfare assessments that had some focus on dairy cattle welfare at pasture were used, along with the New Zealand Dairy Cattle Code of Welfare, to identify potential assessments for inclusion in the protocol.

Eighty-four potential assessments (20 record-based and 64 that needed assessing on-farm) were identified by this process of welfare assessments.

After screening to exclude on-farm assessments that were not relevant, that had only limited practical application in pasture-based dairy cows or that required more time than available, 28 on-farm assessments remained, which were put together with the 20 record-based assessments and were tested for feasibility, practicality and time on two pasture-based dairy farms. Assessments were then identified as suitable, suitable after modification or not feasible.

Suitable and modified assessments were then included in the final protocol alongside additional measures specific to New Zealand dairy farms. The final protocol included 24 on-farm assessments and eight record-based assessments.

Further testing of these 32 assessments is needed on more dairy farms across New Zealand before the protocol can be used to routinely assess the welfare of dairy cows in New Zealand.

The full text can be read HERE

Source:  Scimex

Author: Bob Edlin

Editor of AgScience Magazine and Editor of the AgScience Blog

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