Post-mortem Findings and Causes of Death of Harbour Porpoises (Phocoena phocoena) Stranded from 1990 to 2000 along the Coastlines of Belgium and Northern France

Jauniaux, Thierry; Petitjean, D; Brenez, C.; Borrens, M.; Brosens, L.; Haelters, J.; Tavernier, T; Coignoul, Freddy

doi:10.1053/jcpa.2001.0547

Cited by 91 publications

(109 citation statements)

References 27 publications

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“…A longitudinal section (LS) through female nematode tissue revealed vacuoles containing multiple structures identified as larvae, as previously observed in Parafilaroides nematodes (Garner et al, 1997) and in nematodes of harbor porpoise (Jauniaux et al, 2002) (Fig. 2).…”

Section: Microscopic Observationssupporting

confidence: 79%

Isolation and Characterization of Brucella From the Lungworms of a Harbor Porpoise (Phocoena Phocoena)

Dawson

Perrett

Stubberfield

et al. 2008

Journal of Wildlife Diseases

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ABSTRACT:Adult female nematodes identified as Pseudalius inflexus were collected from the lungs of a juvenile male harbor porpoise (Phocoena phocoena) found dead on a beach in Cornwall, UK. Classic and molecular typing methods, immunologic and electron microscopy immunolabeling techniques, provided evidence of Brucella sp. infection within the uterine tissue of nematodes of this marine mammal. This finding presents further evidence to suggest parasites should be considered as a potential means of transfer of bacterial infection in marine mammals and highlights the zoonotic implications for humans exposed to marine mammals through occupation or leisure.

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Section: Microscopic Observationssupporting

confidence: 79%

Isolation and Characterization of Brucella From the Lungworms of a Harbor Porpoise (Phocoena Phocoena)

Dawson

Perrett

Stubberfield

et al. 2008

Journal of Wildlife Diseases

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“…Pneumonia accounted for a greater percentage (49%) of deaths of stranded harbour porpoise on the Belgian and northern French coasts (1990e2000) (Jauniaux et al, 2002), compared to the Scottish coast (1992e2004), where pneumonia accounted for 11% of known deaths (Learmonth, 2006) and in England andWales (1991e2002), where 15% of harbour porpoise deaths for which cause was established were attributed to pneumonia (Jepson, 2003). In addition, severe emaciation was the most common condition found in 33 of 55 harbour porpoises examined from Belgian and northern French coasts (Jauniaux et al, 2002).…”

Section: Discussionmentioning

confidence: 99%

Bioaccumulation of persistent organic pollutants in female common dolphins (Delphinus delphis) and harbour porpoises (Phocoena phocoena) from western European seas: Geographical trends, causal factors and effects on reproduction and mortality

Pierce

Santos

Murphy

et al. 2008

Environmental Pollution

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High PCB levels were recorded in porpoises and common dolphins from European coasts. AbstractConcentrations of polychlorinated biphenyls (PCBs) in blubber of female common dolphins and harbour porpoises from the Atlantic coast of Europe were frequently above the threshold at which effects on reproduction could be expected, in 40% and 47% of cases respectively. This rose to 74% for porpoises from the southern North Sea. PCB concentrations were also high in southern North Sea fish. The average pregnancy rate recorded in porpoises (42%) in the study area was lower than in the western Atlantic but that in common dolphins (25%) was similar to that of the western Atlantic population. Porpoises that died from disease or parasitic infection had higher concentrations of persistent organic pollutants (POPs) than animals dying from other causes. Few of the common dolphins sampled had died from disease or parasitic infection. POP profiles in common dolphin blubber were related to individual feeding history while those in porpoises were more strongly related to condition.

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“…Blubber samples were collected from 35 harbour porpoises and 28 harbour seals stranded or bycaught in the Southern North Sea between 1999 and 2004. The animals were dissected and tissues were archived at the Laboratory of Oceanography, University of Liege (Belgium) at À20 C. Biological parameters, such as age, gender, weight and blubber thickness, were also recorded (standard procedure in Jauniaux et al, 2002 andDas et al, 2004) and given in Table 1. Age classification (<3 years for juveniles and >3 years for adults) was based upon the length of the animals (for harbour porpoises; T. Jauniaux, personal communication) and the development of their gonads (for harbour seals; T. Jauniaux, personal communication).…”

Section: Samplesmentioning

confidence: 99%

Inter-species differences for polychlorinated biphenyls and polybrominated diphenyl ethers in marine top predators from the Southern North Sea: Part 1. Accumulation patterns in harbour seals and harbour porpoises

Weijs

Dirtu

Das

et al. 2009

Environmental Pollution

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Harbour porpoises and harbour seals present differences in the accumulation of polychlorinated biphenyls and polybrominated diphenyl ethers. a r t i c l e i n f o a b s t r a c tHarbour porpoises (Phocoena phocoena) and harbour seals (Phoca vitulina) are two representative top predator species of the North Sea ecosystem. The median values of sum of 21 polychlorinated biphenyl (PCB) congeners and sum of 10 polybrominated diphenyl ether (PBDE) congeners were 23.1 mg/g lipid weight (lw) and 0.33 mg/g lw in blubber of harbour seals (n ¼ 28) and 12.4 mg/g lw and 0.76 mg/g lw in blubber of harbour porpoises (n ¼ 35), respectively. For both species, the highest PCB concentrations were observed in adult males indicating bioaccumulation. On the contrary, the highest PBDE concentrations were measured in juveniles, likely due to better-developed metabolic capacities with age in adults. A higher contribution of lower chlorinated and non-persistent congeners, such as CB 52, CB 95, CB 101, and CB 149, together with higher contributions of other PBDE congeners than BDE 47, indicated that harbour porpoises are unable to metabolize these compounds. Harbour seals showed a higher ability to metabolize PCBs and PBDEs.

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Post-mortem Findings and Causes of Death of Harbour Porpoises (Phocoena phocoena) Stranded from 1990 to 2000 along the Coastlines of Belgium and Northern France

Cited by 91 publications

References 27 publications

Isolation and Characterization of Brucella From the Lungworms of a Harbor Porpoise (Phocoena Phocoena)

Isolation and Characterization of Brucella From the Lungworms of a Harbor Porpoise (Phocoena Phocoena)

Bioaccumulation of persistent organic pollutants in female common dolphins (Delphinus delphis) and harbour porpoises (Phocoena phocoena) from western European seas: Geographical trends, causal factors and effects on reproduction and mortality

Inter-species differences for polychlorinated biphenyls and polybrominated diphenyl ethers in marine top predators from the Southern North Sea: Part 1. Accumulation patterns in harbour seals and harbour porpoises

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