Abstract
Simple SummaryRegarding the topography of Chile, livestock have to travel for long distances (1240 km), including road and sea transport. During this journey food and water deprivation, overstocking and handling issues have been reported as common problems. The lack of adequate conditions onboard can produce adverse consequences for the welfare of livestock in transit. In the current study the physiological and behavioural implications of two different space allowances and the lack of food and water during the long-distance transport has been studied. The current space provided in Chile to the cattle onboard (1 m2/500 kg) appears to be detrimental to their welfare. Lack of room to allow postural adjustment in combination with limited access to food and water resulted in poor nutrition and dehydration. Behavioural responses to the low space were also affected. Cattle increased the time spend eating and ruminating when 30% extra space and more feed was provided. We conclude that, under the current Chilean standards for the long-distance transport, the welfare of the livestock is adversely affected. This research can provide valuable information for the reform of welfare standards for the transport of livestock in Chile.Long distance transport of livestock from Patagonia to central Chile involves both road and sea transport and has a potential impact on the welfare of animals. Fifty Bos taurus cattle of approximate age six months were exposed to a journey of four days, with both the sea and road components undertaken in a truck (roll-off roll-on system) with two pens of different dimensions. Thirty-two and eighteen cattle were randomly allocated to two treatment groups: Low and High welfare standards, which were provided 0.66 m2/head and 0.86 m2/head, respectively, and a fixed amount of feed and water daily to each pen, 1.25 kg hay/head and 3.1 L water/head in the Low welfare treatment and 2.22 kg/head and 5.6 L/head in the High welfare treatment, respectively. Low welfare animals had increased plasma total protein and albumin, which is suggested to be due to limited water availability, and also haptoglobin, suggesting inflammatory responses. Cattle in the High welfare treatment spent more time eating and ruminating than those in the Low space allowance, but they had increased cortisol at the end of the journey, perhaps reflecting increased fighting with more space. Cattle welfare in both treatments was adversely affected by the limited feed and water supplies, with increased beta-hydroxybutyrate at the end of the voyage; total protein was increased in just the low welfare standard group where low space allowance and less food and water was provided. Creatine phosphokinase also increased after the journey, compared with before, indicating bruising. Limiting feed and water availability to cattle in the low welfare treatment resulted in physiological evidence of undernutrition and low hydration status, but it also reduced the stress response, probably because there was less fighting.
Highlights
Animals are transported longlong distances fromfrom the production centres to the main consumption areas, because there enough slaughterhouses accredited thetomain consumption areas, bothboth because there are are notnot enough slaughterhouses accredited forfor export a regionallevel leveland andbecause becauseprices pricesare are higher higher at consumption export at at a regional consumption centres centres[2,3]
(7.26 mg/dL) compared with prior to the transportation event (5.62 mg/dL), there was no difference in the cattle in the Low welfare treatment
Albumin was reduced after unloading in the High welfare treatment but in the Low welfare treatment they were high both before and after the journey
Summary
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