AI Article Synopsis
- - This study examined how different levels of severe tail lesions (STL) in pigs affect their growth rates and financial outcomes on farms.
- - It found that when STL prevalence reaches 0.86% or higher, pigs gain 4.8% less weight daily, resulting in them needing an extra week to reach slaughter weight.
- - Increased STL leads to higher feed costs and a significant drop in annual profits—by about 15.1%—providing farmers with a clear target to reduce tail lesions to improve profits.
Article Abstract
Objectives: We investigated the financial impact of different prevalence levels of severe tail lesions (STL) during the finisher stage associated with changes in average daily gain (ADG) in farrow-to-finish pig farms.
Methods: Prevalence of STL was estimated for 31 farrow-to-finish pig farms. Regression tree analysis was used to identify a threshold for STL associated with differences in ADG. Then, a financial analysis was carried using the Teagasc Pig Production model.
Results: A threshold of ≥0.86% prevalence of STL was associated with a 4.8% decrease in ADG which translated into pigs requiring 7 days more to reach target slaughter weight than in farms below the threshold. Reduced ADG meant that farms with higher prevalence of STL used 3.6% more weaner and 1.4% more finisher feed per year increasing feed costs by 1.5%. This reduced mean annual farm profit by 15.1% in farms with higher prevalence of STL.
Conclusions: Our results provide an indication of the financial effects of STL in intensive pig production systems. The identified threshold for the prevalence of STL could provide a tangible target for farmers to focus on in developing strategies to reduce tail lesions and allow farmers to complete a cost benefit analysis of controlling STL.
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| http://dx.doi.org/10.1002/vetr.13 | DOI Listing |
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