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Haematological changes to assess stress arising from different methods of slaughtering in pigs

Indian Agricultural Research Journals

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Title Haematological changes to assess stress arising from different methods of slaughtering in pigs
 
Creator SUARDANA, I WAYAN
ARISTHA DEWI, I GUSTI AYU PUTU
UTAMA, IWAN HARJONO
 
Subject Blood profile, Captive bolt stunning, NLR, Non-stunning, Pig
 
Description This study aimed to investigate the blood profile and neutrophil and lymphocyte ratio (NLR) in pigs subjected to stunning and non-stunning. Forty pigs, aged between 6-8 months and weighing 80-100 kg, were used to assess haematological changes associated with different slaughter techniques and to evaluate stress levels. The samples were divided into two groups, the first group was subjected to stunning (with a captive bolt), and the other served as a non-stunning (control). Blood samples were collected from each pig using EDTA anticoagulant tubes, with 3 mL of blood collected per sample. These samples were then analyzed using an auto-haematology analyzer to measure various parameters including RBC, HB, PCV, MCV, MCH, WBC, neutrophils, lymphocytes, monocytes, and eosinophil, as well as the ratio of neutrophils and lymphocytes. The results showed that stunning pigs with a captive bolt exhibited significantly higher levels of RBC, PCV, and lymphocytes with a value of 8.144±1.66 (×106/µL); 41.5±13.62(%) and 41.805±7.82(%), compared to non-stunning pigs with a value of 7.209 ± 1.22 (×106/µL); 36.65±6.12(%); and 22.2±12.24 (%), respectively. However, stunning pigs exhibited lower WBC and neutrophils, measuring 13.825 ± 8.56 × 103/µL and 41.75±16.64(%) with captive bold, compared to non-stunning pigs with a value of 20.375±9.83 (×103/µL) and 63.30±19.04 (%) respectively. The NLR index was higher in non-stunning pigs, with a value of 2.851, compared to stunning pigs subjected to a captive bolt, with an index of 1.006. In conclusion, stunning with a captive bolt was found to reduce the stress level of pigs before slaughter, potentially leading to improvements in meat quality.
 
Publisher Indian Council of Agricultural Research
 
Date 2024-06-13
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
 
Format application/pdf
 
Identifier https://epubs.icar.org.in/index.php/IJAnS/article/view/147959
10.56093/ijans.v94i6.147959
 
Source The Indian Journal of Animal Sciences; Vol. 94 No. 6 (2024); 513–517
2394-3327
0367-8318
 
Language eng
 
Relation https://epubs.icar.org.in/index.php/IJAnS/article/view/147959/54790
 
Rights Copyright (c) 2024 The Indian Journal of Animal Sciences
https://creativecommons.org/licenses/by-nc-sa/4.0