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All issues Volume 29 (2022) Parasite, 29 (2022) 3 Full HTML
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Table 1

Supplementary sampled muscles (n = 34): MAT titer for the collected meat juice and detectable parasite burden (arithmetic mean of T. gondii parasites per gram of muscle) of experimentally infected lambs (E1, E2, E3) ranked from high to low. The Latin terminology of the muscles and their anatomical region were extracted from the “Nomina Anatomica Veterinaria, 6th edition 2017”. NR: negative results (Ct value > 40).

Muscle Anatomical region Position to the trunk Role for physiology E1
 E2
 E3
 Arithmetic mean
MAT titer ga p/gb MAT titer ga p/gb MAT titer ga p/gb Range [min–max]
1. Musculus supraspinatus Thoracic limb Proximal Postural 24 18.08 8238.53 nmj 34.70 819.78 96 101.25 778.48 3278.93
[778.48–8238.53]
2. Musculus subscapularis Thoracic limb Proximal Postural 48 15.25 8152.61 nmj 23.95 721.30 48 36.02 442.78 3105.56
[442.78–8152.61]
3. Musculus triceps brachii Thoracic limb Proximal Postural 48 29.02 6139.34 nmj 57.10 1182.42 96 122.12 1409.50 2910.42
[1182.42–6139.34]
4. Musculus infraspinatus Thoracic limb Proximal Postural 96 14.90 6312.15 nmj 22.66 701.46 96 60.32 1443.25 2818.95
[701.46–6312.15]
5. Musculus biceps femoris Pelvic limb Proximal Post/Phasic 24 26.50 3150.34 nmj 13.45 722.18 nmj 82.33 2861.79 2244.77
[722.18–3150.34]
6. Musculus adductor Pelvic limb Proximal Phasic 96 20.70 4889.02 nmj 65.13 213.83 96 37.88 1395.68 2166.18
[213.83–4889.02]
7. Musculus psoas major Pelvic limb Proximal Postural 96 14.50 3350.45 nmj 38.10 2167.83 96 41.65 840.91 2119.73
[840.91–3350.45]
8. Musculus biceps brachii Thoracic limb Proximal Phasic 24 25.08 5050.62 96 22.82 364.66 96 37.24 397.76 1937.68
[364.66–5050.62]
9. Musculus extensor digitorum brevis Pelvic limb Distal Phasic 96 16.31 2675.82 nmj 39.81 1147.43 96 54.74 1087.01 1636.75
[1087.01–2675.82]
10. Musculus flexor digitorum superficialis Pelvic limb Distal Phasic 96 15.65 3297.36 nmj 33.11 639.47 96 30.14 277.94 1404.92
[277.94–3297.36]
11. Musculus gracilis Pelvic limb Proximal Phasic 96 10.05 3045.79 nmj 15.31 445.09 96 51.45 430.18 1307.02
[430.18–3045.79]
12. Musculus gastrocnemius Pelvic limb Distal Postural 96 11.35 2321.97 nmj 18.95 725.99 48 45.88 826.16 1291.37
[725.99–2321.97]
13. Musculus semimembranosus Pelvic limb Proximal Phasic neg 20.10 1674.60 96 103.50 659.46 nmj 94.30 811.55 1048.54
[659.46–1674.60]
14. Musculus serratus ventralis thoracis Thorax Ventral Post/Phasic 48 12.05 2017.16 nmj 33.95 421.67 nmj 59.95 345.80 928.21
[345.80–2017.16]
15. Musculus longissimus Back Proximal Postural 24 17.10 1313.59 48 113.44 639.79 96 161.47 648.78 867.39
[639.79–1313.59]
16. Musculus obliquus externus abdominis Abdomen Ventral Postural 24 19.50 1678.38 nmj 25.13 79.99 96 81.06 400.35 719.57
[79.99–1678.38]
17. Musculus coccygeus Tail Caudal Phasic nmj 8.18 1778.54 nmj 9.75  226.33 nmj  5.85 38.86 681.24
[38.86–1778.54]
18. Musculus pterygoideus Head Cranial Postural neg 3.70 1965.47 nmj 4.95 49.19 96 11.87 13.49 676.05
[13.49–1965.47]
19. Musculus flexor digitorum brevis Thoracic limb Distal Postural 96 18.52 797.12 nmj 26.28 721.71 nmj 73.70 431.59 650.14
[431.59–797.12]
20. Musculus gluteus medius Pelvic limb Proximal Phasic 24 6.54 NR 96 13.88 627.36 96 85.20 1012.62 546.66
[0.00–1012.62]
21. Musculus pectineus Pelvic limb Proximal Phasic 96 9.22 1066.49 nmj 11.50 58.74 96 15.70 436.85 520.69
[58.74–1066.49]
22. Musculus semitendinosus Pelvic limb Proximal Post/Phasic 48 24.35 362.77 nmj 39.85 454.26 nmj 104.58 723.45 513.49
[362.77–723.45]
23. Musculus tensor fasciae latae Pelvic limb Proximal Phasic neg 16.90 1098.69 nmj 8.70 90.28 nmj 17.20 130.62 439.86
[90.28–1098.69]
24. Musculus sternocephalicus Pars mandibularis Neck Ventral Phasic nmj 3.30 8.16 nmj 15.38 774.90 48 23.98 498.24 427.10
[8.16–774.90]
25. Musculus pectoralis profundus Thorax Ventral Postural 48 5.65 141.87 nmj 48.90 37.86 nmj 71.41 1078.72 419.48
[37.86–1078.72]
26. Musculus masseter Head Cranial Postural nmj 7.50 981.36 nmj 9.75 180.81 96 21.74 44.49 402.22
[44.49–981.36]
27. Musculus latissimus dorsi Back Dorsal Phasic nmj 4.93 18.13 nmj 17.00 461.57 nmj 60.02 474.84 318.18
[18.13–474.84]
28. Musculus extensor digitorum lateralis Thoracic limb Distal Phasic nmj 10.35 79.93 96 22.75 378.86 nmj 69.41 441.81 300.20
[79.93–441.81]
29. Musculus temporalis Head Cranial Postural nmj 1.90 686.03 nmj 3.34 NR nmj 4.51 80.17 255.40
[0.00–686.03]
30. Musculus trapezius Back Dorsal Phasic nmj 4.10 2.44 nmj 7.25 635.63 96 32.10 104.70 247.59
[2.44–635.63]
31. Musculus brachiocephalicus Neck Ventral Phasic neg 7.10 NR nmj 12.90 58.96 96 49.95 552.54 203.83
[0.00–552.54]
32. Musculus sartorius Pelvic limb Proximal Phasic nmj 1.00 5.82 nmj 6.52 97.12 nmj 29.30 133.89 78.94
[5.82–133.89]
33. Musculus buccinator Head Cranial Phasic nmj 3.25 25.92 96 9.68 21.56 nmj 4.21 32.58 26.69
[21.56–32.58]
34. Musculus digastricus Head Cranial Phasic nmj 1.00 NR nmj 1.27 11.33 nmj 3.20 NR 3.78
[0.00–11.33]

nmj: no meat juice collected. neg = no IgG detected.

a

g: grams of muscle.

b

p/g: calculated number of parasites per gram.

The number of T. gondii parasites was calculated by interpolating the average Ct values on the standard curve equivalent to 1 × 100 to 1 × 103 tachyzoites with tenfold serial dilutions. Estimated parasite numbers in muscles (detectable parasite burden) were expressed as parasite number/g lamb muscle. The range describes the lowest and highest estimated number of parasites within samples.

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