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Lesiów T, Xiong YL. Heat/Cold Stress and Methods to Mitigate Its Detrimental Impact on Pork and Poultry Meat: A Review. Foods 2024; 13:1333. [PMID: 38731703 PMCID: PMC11083837 DOI: 10.3390/foods13091333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 04/16/2024] [Accepted: 04/22/2024] [Indexed: 05/13/2024] Open
Abstract
This paper aims to provide an updated review and current understanding of the impact of extreme temperatures-focusing on heat stress (HS)-on the quality of pork and poultry meat, particularly amidst an unprecedented global rise in environmental temperatures. Acute or chronic HS can lead to the development of pale, soft, and exudative (PSE) meat during short transportation or of dark, firm, and dry (DFD) meat associated with long transportation and seasonal changes in pork and poultry meat. While HS is more likely to result in PSE meat, cold stress (CS) is more commonly linked to the development of DFD meat. Methods aimed at mitigating the effects of HS include showering (water sprinkling/misting) during transport, as well as control and adequate ventilation rates in the truck, which not only improve animal welfare but also reduce mortality and the incidence of PSE meat. To mitigate CS, bedding on trailers and closing the tracks' curtains (insulation) are viable strategies. Ongoing efforts to minimize meat quality deterioration due to HS or CS must prioritize the welfare of the livestock and focus on the scaleup of laboratory testing to commercial applications.
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Affiliation(s)
- Tomasz Lesiów
- Department of Agri-Engineering and Quality Analysis, Wroclaw University of Economics and Business, 53-345 Wroclaw, Poland
| | - Youling L. Xiong
- Department of Animal and Food Sciences, University of Kentucky, Lexington, KY 40546, USA;
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Čobanović N, Čalović S, Suvajdžić B, Grković N, Stanković SD, Radaković M, Spariosu K, Karabasil N. Consequences of Transport Conditions on the Welfare of Slaughter Pigs with Different Health Status and RYR-1 Genotype. Animals (Basel) 2024; 14:191. [PMID: 38254360 PMCID: PMC10812478 DOI: 10.3390/ani14020191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 12/28/2023] [Accepted: 01/04/2024] [Indexed: 01/24/2024] Open
Abstract
This study assessed the influence of transport conditions on welfare indicators of slaughter pigs with different health status and RYR-1 genotype. The group of pigs, predominantly consisting of Nn (56.67%) and subclinically diseased (60.00%) individuals, that were exposed to short transportation (<30 min) at high loading density (~235 kg/m2) had the highest slipping (p < 0.0001), falling (p = 0.0009), turning back (p < 0.0001), reluctance to move (p < 0.0001), panting (p < 0.0001) and shivering (p < 0.0001) frequencies at unloading. Subclinically diseased Nn pigs subjected to short transportation (<30 min) and high loading density (~235 kg/m2) had the highest lactate (p < 0.0001 and p < 0.0001), glucose (p = 0.0450 and p = 0.0002), CK (p < 0.0001 and p = 0.0010), LDH (p < 0.0001 and p = 0.0484), AST (p = 0.0208 and p = 0.0170), ALT (p = 0.0500 and p = 0.00081), ceruloplasmin (p = 0.0334 and p < 0.0001) and MDA (p = 0.0048 and p < 0.0001) concentrations, but the lowest sodium (p < 0.0001 and p < 0.0001), chloride (p = 0.0001 and p = 0.0432), albumin (p < 0.0090 and p < 0.0001), PON-1 (p = 0.0122 and p = 0.0500) and GSH (p = 0.0042 and p = 0.0340) levels, respectively. In the group consisting of of stress-resistant (100%) and predominantly healthy (60.00%) pigs subjected to short transportation (<30 min) at high loading density (~235 kg/m2), none of the individuals showed irregular behavioural reactions during unloading. Healthy NN pigs that underwent short transportation (<30 min) at high loading density (~235 kg/m2) had the lowest lactate (p < 0.0001 and p < 0.0001), glucose (p = 0.0450 and p = 0.0002), CK (p < 0.0001 and p = 0.0010), LDH (p < 0.0001 and p = 0.0484) and ceruloplasmin (p = 0.0334 and p < 0.0001) levels, but the highest sodium (p < 0.0001 and p < 0.0001) and chloride (p = 0.0001 and p = 0.0432) concentrations, respectively. In conclusion, the most compromised welfare was recorded in subclinically diseased Nn pigs exposed to short transportation (<30 min) and high loading density (~235 kg/m2), while under the same conditions, the welfare of healthy NN pigs was not compromised. Therefore, stress-carrier pigs with subclinical pathological lesions should not be considered fit for transportation, indicating that the health status and genotype are the key factors for optimising pig welfare.
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Affiliation(s)
- Nikola Čobanović
- Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, University of Belgrade, Bulevar oslobodjenja 18, 11000 Belgrade, Serbia; (B.S.); (N.G.); (N.K.)
| | - Sara Čalović
- Department of Animal Breeding, Faculty of Veterinary Medicine, University of Belgrade, Bulevar oslobodjenja 18, 11000 Belgrade, Serbia;
| | - Branko Suvajdžić
- Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, University of Belgrade, Bulevar oslobodjenja 18, 11000 Belgrade, Serbia; (B.S.); (N.G.); (N.K.)
| | - Nevena Grković
- Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, University of Belgrade, Bulevar oslobodjenja 18, 11000 Belgrade, Serbia; (B.S.); (N.G.); (N.K.)
| | - Sanja Dj Stanković
- Center for Medical Biochemistry, University Clinical Center of Serbia, 11000 Belgrade, Serbia;
- Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Milena Radaković
- Department of Pathophysiology, Faculty of Veterinary Medicine, University of Belgrade, Bulevar oslobođenja 18, 11000 Belgrade, Serbia; (M.R.); (K.S.)
| | - Kristina Spariosu
- Department of Pathophysiology, Faculty of Veterinary Medicine, University of Belgrade, Bulevar oslobođenja 18, 11000 Belgrade, Serbia; (M.R.); (K.S.)
| | - Nedjeljko Karabasil
- Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, University of Belgrade, Bulevar oslobodjenja 18, 11000 Belgrade, Serbia; (B.S.); (N.G.); (N.K.)
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An J, Kim Y, Song M, Choi J, Yun W, Oh H, Chang S, Go Y, Song D, Cho H, Park S, Kim Y, Park Y, Park G, Oh S, Cho J. Effect of loading density and weather conditions on animal welfare and meat quality of slaughter pigs. JOURNAL OF ANIMAL SCIENCE AND TECHNOLOGY 2023; 65:1323-1340. [PMID: 38616884 PMCID: PMC11007295 DOI: 10.5187/jast.2023.e34] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 03/21/2023] [Accepted: 03/30/2023] [Indexed: 04/16/2024]
Abstract
There are several factors that affect the welfare and meat quality of pigs during pre-slaughter transport. Among various factors, the effects of weather conditions and loading density were studied. A total of 3,726 finishing pigs were allotted to one of nine groups arranged in a 3 × 3 factorial design according to the weather conditions (low temperature [LT], under 10°C; normal temperature [NT], 10°C-24°C; high temperature [HT], upper 24°C), and loading density (low density [LD], upper 0.43 m2/100 kg; normal density [ND], 0.37-0.43 m2/100 kg; high density [HD], under 0.37 m2/100 kg). Each treatment group follow as: LTLD, LTND, LTHD, NTLD, NTND, NTHD, HTLD, HTND, HTHD. In terms of carcass composition, pigs had the highest carcass weight and backfat thickness at LT. Comparing the HD transport to the ND transport, the meat quality indicated a lower pH and more drip loss. The incidence rate of pale, soft, exudative (PSE) pork was high in the order of the HD, LD, and the ND transport (20%, 9%, and 2%, respectively). The HT transport showed the lowest pH and greatest L* value under the given weather conditions. Pigs transported under the HTHD and LTLD conditions had the greatest rates of PSE pork (40% and 20%, respectively). Pigs exposed to HD transport had the shortest laying time and the highest overplap behavior. The LDLT transport pigs had a shorter laying time than the LDNT and LDHT transport pigs. In conclusion, too high or too low density transport is generally not excellent for meat quality or animal welfare, however it is preferable to transport at a slightly low density at high temperature and at a slightly high density at low temperature.
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Affiliation(s)
- Jaewoo An
- Department of Animal Sciences, Chungbuk
National University, Cheongju 28644, Korea
| | - Yongju Kim
- Department of Animal Sciences, Chungbuk
National University, Cheongju 28644, Korea
| | - Minho Song
- Department of Animal Science and
Biotechnology, Chungnam National University, Daejeon 34134,
Korea
| | - Jungseok Choi
- Department of Animal Sciences, Chungbuk
National University, Cheongju 28644, Korea
| | - Won Yun
- Central Research Institute, Woosung Feed
Co., Ltd, Daejeon 34379, Korea
| | - Hanjin Oh
- Department of Animal Sciences, Chungbuk
National University, Cheongju 28644, Korea
| | - Seyeon Chang
- Department of Animal Sciences, Chungbuk
National University, Cheongju 28644, Korea
| | - Youngbin Go
- Department of Animal Sciences, Chungbuk
National University, Cheongju 28644, Korea
| | - Dongcheol Song
- Department of Animal Sciences, Chungbuk
National University, Cheongju 28644, Korea
| | - Hyunah Cho
- Department of Animal Sciences, Chungbuk
National University, Cheongju 28644, Korea
| | - Sanghun Park
- Department of Animal Sciences, Chungbuk
National University, Cheongju 28644, Korea
| | - Yuna Kim
- Department of Animal Sciences, Chungbuk
National University, Cheongju 28644, Korea
| | - Yunhwan Park
- Department of Animal Sciences, Chungbuk
National University, Cheongju 28644, Korea
| | - Gyutae Park
- Department of Animal Sciences, Chungbuk
National University, Cheongju 28644, Korea
| | - Sehyuk Oh
- Department of Animal Sciences, Chungbuk
National University, Cheongju 28644, Korea
| | - Jinho Cho
- Department of Animal Sciences, Chungbuk
National University, Cheongju 28644, Korea
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