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Ludwiczak A, Składanowska-Baryza J, Cieślak A, Stanisz M, Skrzypczak E, Sell-Kubiak E, Ślósarz P, Racewicz P. Effect of prudent use of antimicrobials in the early phase of infection in pigs on the performance and meat quality of fattening pigs. Meat Sci 2024; 212:109471. [PMID: 38428151 DOI: 10.1016/j.meatsci.2024.109471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 02/12/2024] [Accepted: 02/26/2024] [Indexed: 03/03/2024]
Abstract
The presented study was a part of the ThermoEye project. The study examined the effect of prudent antibiotic treatment in response to illness on the fattening performance, slaughter traits, and meat quality of the pig fatteners. Pigs were divided into an experimental group - EXP and a control - CON. In both groups, the body temperature was monitored, and diseases were confirmed by a veterinarian. In the EXP group, metaphylaxis was used in each case of confirmed disease. The EXP fatteners had greater slaughter weight (by 4.7 kg) and meatiness (by 2.1 percentage points) compared to the CON pigs. The pH in pork was lower in EXP compared to CON pigs. The longissimus thoracis et lumborum of EXP pigs was characterised by a lower cooking loss (28.30 vs. 30.45%) and yellower colour compared to the CON group. Among the amino acids, only the content of histidine (by 5.2%; P < 0.01) and tyrosine (by 7.2%; P < 0.01) was significantly greater in the meat of the CON group compared to EXP, with no effect of sex noted. The content of SFA (by 14.6%; P < 0.05), UFA (by 15.6%; P < 0.05), MUFA (by 17.8%; P < 0.05), MCFA (by 14.1%; P < 0.05), and LCFA (by 15.6%; P < 0.05) was also greater in CON compared to EXP meat. In conclusion, automated monitoring of pig body temperature during the fattening period enables more precise, prudent treatment and effective animal health control while reducing costs due to disease losses and pharmacotherapy. It allows optimal production and affects meat quality.
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Affiliation(s)
- A Ludwiczak
- Department of Animal Breeding and Product Quality Assessment, Poznan University of Life Sciences, Poznan, Poland
| | - J Składanowska-Baryza
- Department of Animal Breeding and Product Quality Assessment, Poznan University of Life Sciences, Poznan, Poland
| | - A Cieślak
- Department of Animal Nutrition, Poznan University of Life Sciences, Poznan, Poland.
| | - M Stanisz
- Department of Animal Breeding and Product Quality Assessment, Poznan University of Life Sciences, Poznan, Poland
| | - E Skrzypczak
- Department of Animal Breeding and Product Quality Assessment, Poznan University of Life Sciences, Poznan, Poland
| | - E Sell-Kubiak
- Department of Genetics and Animal Breeding, Poznan University of Life Sciences, Poznan, Poland
| | - P Ślósarz
- Department of Animal Breeding and Product Quality Assessment, Poznan University of Life Sciences, Poznan, Poland
| | - P Racewicz
- Department of Animal Breeding and Product Quality Assessment. Laboratory of Veterinary Public Health Protection, Poznan University of Life Sciences, Poznan, Poland.
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Liu C, Sun Y, Zhou Z, Fan J, Yuan J. Simultaneous determination of 13 sulfonamides at trace levels in soil by modified QuEChERS with HPLC-MS/MS. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:378-385. [PMID: 38117310 DOI: 10.1039/d3ay01564e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Abstract
The pretreatment of samples was vital for enhancing the sensitivity and accuracy of analytical methods. An efficient and sensitive method, based on modified QuEChERS with high performance liquid chromatography tandem mass spectrometry (HPLC-MS/MS) for the simultaneous determination of the 13 sulfonamides (SAs) in soil, was developed. After extraction by sonication with methanol, the clean-up procedure was achieved using QuEChERS with a primary secondary amine (PSA). The quantification of the 13 SAs was performed by HPLC-MS/MS in electrospray ionization (ESI) and multiple reaction monitoring (MRM) modes. Under optimized conditions, the standard solution exhibited good linearity within the range of 0.01-0.5 μg mL-1. The limits of detection and the limits of quantification of the developed method were 0.007-0.030 μg kg-1 and 0.022-0.101 μg kg-1, respectively. The spiked recoveries for the 13 SAs were in the range of 74.5-111.7% with RSD less than 15%. Furthermore, the developed method was successfully applied for the determination of SAs in real soil samples. The above results showed that the proposed method would be an ideal analytical method for SAs in environmental ecological research.
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Affiliation(s)
- Chen Liu
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, Jinan, Shandong 250101, China
- Qilu University of Technology (Shandong Academy of Sciences), Shandong Analysis and Test Center, Jinan, Shandong 250014, China.
| | - YouMin Sun
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, Jinan, Shandong 250101, China
| | - ZhaoTing Zhou
- Yantai Food and Drug Inspection and Testing Center, Yantai, Shandong 264005, China
| | - Jing Fan
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, Jinan, Shandong 250101, China
| | - JinPeng Yuan
- Qilu University of Technology (Shandong Academy of Sciences), Shandong Analysis and Test Center, Jinan, Shandong 250014, China.
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de Carvalho RH, Callegari MA, Dias CP, Kirwan S, da Costa MCR, da Silva CA. Euglena gracilis β-Glucans (1,3): Enriching Colostrum of Sow for Enhanced Piglet Immunity. Animals (Basel) 2023; 13:3490. [PMID: 38003108 PMCID: PMC10668842 DOI: 10.3390/ani13223490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 11/07/2023] [Accepted: 11/08/2023] [Indexed: 11/26/2023] Open
Abstract
The effects of supplementing the diet of sows with βG-(1,3) derived from Euglena gracilis algae were assessed regarding quality and amount of colostrum as well as performance of piglets. A total of 120 sows (first (nulliparous) to sixth parity (multiparous)) from D85 of gestation until weaning were divided into two groups: the control diet group (n = 60) and the βG-(1,3) diet group (n = 60). Sows receiving βG-(1,3) exhibited an average increase of 870 g (24.9%) in colostrum production, leading to a 25.17% higher intake of colostrum by piglets. Furthermore, piglets in the βG-(1,3) group showed significantly superior weight gain of 34 g (50%) compared to the control group 18 h after birth (p < 0.05). Sows fed with βG-(1,3) produced colostrum with significantly higher concentrations of IgG (5.914 mg/mL, 16.16%) and IgM (0.378 mg/mL, 16.29%) than the control group (p < 0.05). Similarly, serum concentrations of IgG (13.86 mg/mL, 51.25%), IgA (17.16 mg/mL, 120.19%), and IgM (13.23 mg/mL, 144.78%) were significantly higher in sows fed with βG-(1,3) than in the control group (p < 0.05). Supplementing sows with βG-(1,3) derived from the Euglena gracilis algae resulted in increased colostrum production and consumption, along with greater weight gain in piglets during the first 18 h after birth. Additionally, both the colostrum produced by the sows and the blood serum of the piglets exhibited higher concentrations of immunoglobulins.
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Affiliation(s)
- Rafael Humberto de Carvalho
- Department of Zootechnology, Center of Agrarian Sciences, State University of Londrina, Londrina 86057970, PR, Brazil;
- Akei Animal Research, Fartura 18870970, SP, Brazil; (M.A.C.); (C.P.D.)
| | | | | | | | | | - Caio Abércio da Silva
- Department of Zootechnology, Center of Agrarian Sciences, State University of Londrina, Londrina 86057970, PR, Brazil;
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Stygar AH, Chantziaras I, Maes D, Aarestrup Moustsen V, De Meyer D, Quesnel H, Kyriazakis I, Niemi JK. Economic feasibility of interventions targeted at decreasing piglet perinatal and pre-weaning mortality across European countries. Porcine Health Manag 2022; 8:22. [PMID: 35650652 PMCID: PMC9158370 DOI: 10.1186/s40813-022-00266-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 05/17/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Piglet perinatal and pre-weaning mortality is a welfare problem causing economic losses in pig production. In this study, the effects of housing and management interventions on the economic result of sow enterprises representing six European countries (Belgium, Denmark, Finland, Germany, The Netherlands and Spain) were tested. Interventions concerned: (1) installing mechanical ventilation, (2) re-designing of the gestation unit, (3) drying and warming newborn piglets, (4) providing enrichment for gestating sows, including high-fiber dietary supplementation and point-source objects, and (5) music provision and backscratching of sows in the farrowing unit. A bio-economic model was used to determine the effects of interventions on economic outcomes during the nursery phase and to calculate a maximum cost of 1%-point reduction in perinatal and pre-weaning mortality, irrespective of the intervention type. Biological parameters were set according to previous observational and experimental studies. Interventions 1-4 were expected to decrease perinatal mortality, defined as stillbirths and deaths occurring within the first 48 h of postnatal life. Intervention 5 was expected to decrease pre-weaning mortality. Interventions increased fixed (1-3) and variable costs (3-5). We hypothesized that housing and management interventions would have a positive economic effect. RESULTS Piglet mortality can be decreased in various ways. Interventions concerning ventilation and re-designing of the gestation unit (1 and 2) were the most beneficial in countries with low housing costs and high perinatal mortality. Drying and warming newborn piglets (3) resulted in varying economic results, with the highest increase in profits obtained in a country with low labor costs and high litter size. Interventions providing sows with enrichment and human-animal interaction (4 and 5) were effective across varying conditions. Regardless of intervention type, policies aiming at 1%-point reduction in perinatal and pre-weaning mortality could cost from €0.2 to €0.5 (average €0.4) and from €0.4 to €0.5 (average €0.5) per piglet, respectively, depending on productions conditions. CONCLUSIONS To decrease piglet mortality, farmers should consider low input interventions, such as those targeting appropriate behavior. Our results suggest that providing enrichment or increasing human-animal interaction pays off and brings positive economic result even when piglet mortality is marginally reduced.
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Affiliation(s)
- Anna H Stygar
- Natural Resources Institute Finland (Luke), Bioeconomy and Environment, Latokartanonkaari 9, 00790, Helsinki, Finland.
| | - Ilias Chantziaras
- Unit of Porcine Health Management, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820, Merelbeke, Belgium
| | - Dominiek Maes
- Unit of Porcine Health Management, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820, Merelbeke, Belgium
| | | | | | - Hélène Quesnel
- PEGASE, INRAE, Institut Agro, 35590, Saint-Gilles, France
| | - Ilias Kyriazakis
- Institute for Global Food Security, Queen's University, Belfast, BT7 1NN, UK
| | - Jarkko K Niemi
- Natural Resources Institute Finland (Luke), Bioeconomy and Environment, Kampusranta 9, 60320, Seinäjoki, Finland
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