Footpad dermatitis severity on turkey flocks and correlations with locomotion, litter conditions, and body weight at market age

Costa, M. J. Da; Grimes, J. L.; Oviedo-Rondón, E. O.; Barasch, Ilana Beth; Evans, Caitlin E.; Dalmagro, Marcelo R.; Nixon, J.E.

doi:10.3382/japr.2013-00848

Cited by 32 publications

(42 citation statements)

References 41 publications

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“…The prevalence of FPD is in line with previously published results in terms of overall prevalence (Martland, 1984; Krautwald-Junghanns et al, 2011; Allain et al, 2013; Da Costa et al, 2014). In the present study the heavier lines showed a higher average score in females while the lighter lines showed a higher average score in males, consistent with the variation found in other studies — higher in females (Krautwald-Junghanns et al, 2011; Bergmann et al, 2013) vs. higher in males (Clark et al, 2002).…”

Section: Discussionsupporting

confidence: 91%

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Genetic basis of leg health and its relationship with body weight in purebred turkey lines

Kapell

Hocking

Glover³

et al. 2017

Poultry Science

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The aims of this study were to estimate the genetic parameters for leg and foot health and mobility in purebred turkey lines and their genetic correlations with BW. Traits were gait score (GS) as an overall measure of leg health, footpad dermatitis (FPD), and 2 skeletal leg health traits, namely, valgus and varus deformities (VVD) and tibial dyschondroplasia (TD). Data from 4 different lines, comprising 3 yr of phenotypic records and 4 yr of pedigree information per line, were used. The sex average BW for the lines at 18 wk ranged from 19.1 kg (line A) to 12.4 kg (line D). The prevalence of VVD ranged from 5.2 to 14.6% and for TD from 4.1 to 23.2%. The average score for FPD on a scale of 0 to 100 ranged from 48.5 to 61.1. Gait Score was scored on a scale of 1 to 5, standardized to a mean of 3 and SD of 1. Heritabilities were estimated at 0.08 to 0.13 for GS, 0.01 to 0.07 for VVD, 0.06 to 0.12 for TD, and 0.10 to 0.15 for FPD (all SE ≤ 0.02). Estimates of the genetic correlations between VVD and TD ranged from 0.03 to 0.21 (all SE ≤ 0.08), and estimates of these with GS ranged from 0.07 to 0.87 (all SE ≤ 0.09). The genetic correlations of FPD with GS ranged from 0.00 to 0.34 (all SE ≤ 0.04), and with the skeletal leg health traits from -0.06 to 0.33 (all SE ≤ 0.06). Body weight showed estimated genetic correlations ranging from 0.28 to 0.51 (all SE ≤ 0.06) with GS, -0.06 to 0.50 (all SE ≤ 0.13) with VVD/TD and 0.05 to 0.34 (all SE ≤ 0.05) with FPD. The results suggest that selection for improved leg health can be incorporated effectively in a commercial turkey breeding program using balanced breeding goals, in which production traits and leg health traits are considered simultaneously.

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Section: Discussionsupporting

confidence: 91%

“…In a pairwise correlation between FPD and GS, Da Costa et al (2014) found only weak to moderate phenotypic correlations between them, and the correlation disappeared in a multiple linear regression that included also BW, litter score and season.…”

Section: Discussionmentioning

confidence: 99%

Genetic basis of leg health and its relationship with body weight in purebred turkey lines

Kapell

Hocking

Glover³

et al. 2017

Poultry Science

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“…Lesions similar to those observed in broiler chickens were encountered in turkeys, housed on wet litter (Martland 1984). Recently, an examination of the pain caused by foot pad dermatitis, in the context of turkey poults, noted that the condition may have an adverse effect on mobility and linked it to weight loss (Da Costa et al 2014;Wyneken et al 2015). High humidity in poultry facilities was also highlighted as a predisposing factor (Bruce et al 1990).…”

Section: Introductionmentioning

confidence: 98%

Pathomorphological investigations on the prevalence of contact dermatitis lesions in broiler chickens

Dinev

Denev

Vashin

et al. 2019

Journal of Applied Animal Research

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The aim of the survey was to determine the prevalence of all types of lesions associated with contact dermatitis in commercial broiler chickens using pathomorphological methods. Contact dermatitis in commercial broiler chickens was monitored for a period of one year. The samples were taken from a fattening Ross 308 hybrid farm. The annual production cycle was 696,000 birds. The investigations were performed by clinical examination of chickens which showed obvious signs of contact dermatitis on their carcasses in the slaughterhouse. The number and type of contact dermatitis lesions in the different flocks were determined through a meat inspection process. In addition to the gross examination, a histological study on a predetermined proportion of tissue samples was conducted. The total number of contact dermatitis lesions was 152,215 (21.87%). The occurrence was most prevalent during the winter-spring and autumn seasons -88,932 (12.77%), as opposed to 63,283 (9.1%) during the summer period. Lesions on the plantar skin surface of the foot were predominant -109,272 (15.7%). This was followed by contact dermatitis lesions on the breast, affecting the sternal bursa -36,888 (5.3%). The contact dermatitis lesions in the tarsometatarsal joint region were the least prevalent -6,055 (0.87%). ARTICLE HISTORY

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“…Foot pad and hock lesions are a form of contact dermatitis, a condition affecting skin areas in contact with unsuitable or irritating material (Greene et al, 1985). Severe foot pad dermatitis may lead to lameness (Martland, 1984;Greene et al, 1985;Da Costa et al, 2014) and reduced growth (Martland, 1984;Martland, 1985), indicating that contact dermatitis can be painful.…”

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confidence: 99%

Effect of litter quality on foot pad dermatitis, hock burns and breast blisters in broiler breeders during the production period

2016

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Foot pad dermatitis and hock burn lesions are a form of contact dermatitis, a condition affecting skin areas in contact with unsuitable or irritating material. Contact dermatitis is a common problem, reducing the welfare of broilers, and is believed to also affect broiler breeders. However, there is very little research on contact dermatitis in breeders. This study followed the severity of foot pad lesions in broiler breeders throughout the production period. At slaughter the presence of hock burns and breast blisters was also determined. In addition, changes in litter condition over time and the impact of litter quality on foot pads were evaluated. The study was performed on 10 broiler breeder farms, including altogether 18 flocks. Foot pads of 100 hens per flock were assessed at the end of rearing period, three times during the production period, and at slaughter. Foot pad and hock lesions, as well as litter condition were scored on a 5-point scale. Litter quality was evaluated as pH, moisture and ammonia content. The condition of foot pads deteriorated towards slaughter age, with the occurrence of severe lesions reaching a maximum of 64% on average at slaughter. Hock lesions and breast blisters were rare. The litter layer became drier over time. Although poorer litter condition and wetness influenced foot pad health negatively, the effect on severe lesions was not significant. We also observed a negative effect on foot pad condition of larger slat areas. In conclusion, maintaining good litter quality alone is not enough to ensure healthy foot pads in broiler breeders.

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Footpad dermatitis severity on turkey flocks and correlations with locomotion, litter conditions, and body weight at market age

Cited by 32 publications

References 41 publications

Genetic basis of leg health and its relationship with body weight in purebred turkey lines

Genetic basis of leg health and its relationship with body weight in purebred turkey lines

Pathomorphological investigations on the prevalence of contact dermatitis lesions in broiler chickens

Effect of litter quality on foot pad dermatitis, hock burns and breast blisters in broiler breeders during the production period

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