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13 Cards in this Set
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Taget fra abomasum/løben. ØV: hunorm ØH: Voksne orme NV: han NH: hun |
Haemonchus contortus: Stor løbeorm ØV: Hvide ovarier, som indeholder strongylide æg. Tutus spiralsnoet rundt om den blodfylte tarm. NV: kortere og tyndere end hun. Udviklet bursa, med assymetrisk dorsal lobe. Slanke spikler med modhager distalt. NH: hun med vulva åbning dækket af vulva-lap. |
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Fundet i løben ved kvæg. ØV: han ØH: hun Nederst: voksne orm |
Ostertagia ostertagi - Kvægets brune løbeorm ØV: tynd orm. 1 cm. bursa men de er ikke særligt udviklede. Spikler - kraftige med fligede forgreninger distalt. ØH: tynd brun orm. Veludviklet vulvalap. Uturus med mange strongylide æg. Tilspidsep bagende. Nederst: sytrådstynde, brune, 1-1,5 cm. hun større end han. |
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Fundet i tyndtarmen. V: voksne orme fra kvæg Midt: han fra får. H: cephalisk vsikel - svær at se |
Cooperia spp.Typiske tyndtarmsstrongylider C. oncophora i kvæg. C. curticei : får og geder. V: Distinctive coiled shape. Midt: (C. curticei, mounted specimen) from sheep. Spicules visible, but gubernaculum is absent |
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Fra tyndtarmen af får V: han H: Hun |
Nematodirus spp. - Atypiske tyndtarmsstrongylider V: Long and slender spicules with posteriorly fused tips. (spydspids lignende caudal fusion) H: Uterus containing numerous large eggs which are two to three times bigger than typical strongyle eggs. |
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Fra tyndtarmen af drøvtyggere v: voksne orm H: voksen orm close-up |
Bunostomum spp. Kvægets hageorm v: Adult hookworms preserved in alcohol (1.5-2 cm long). Relatively stout worms. Anterior end rounded and curved (’hook’). Male with posterior bursa. Female with a pointed posterior end. H: Forende med stor buccalkapsel, Kitintæner i bunden af buccalkapslen. |
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ØV: lang orm ØH: mikroskopisk på denne orm NV: mikroskopisk NH: forenden af orm, mirkoskopisk |
Moniezia spp.Drøvtyggerbændelorm ØV: Moniezia spp. (length: several metres). The scolex has four large suckers. Immature proglottids (segments) are narrow. Mature and egg-containing segments are more broad than they are long containing two bilateral positioned sets of genital organs. Interproglottidal glands are visible at the posterior border of each segment. ØH: segmenter af M.benedeni. NV: M. expansa. Mature segments with two lateral genital openings. NH; M. expansa. Scolex with four suckers.Immature led smalle. Kønsmodne led har 2 laterale kønsåbninger. Ægfyldte led er korte og brede. M. expansa hosts: Sheep, goats, cattle. M. benedeni hosts: Cattle. Intermediate hosts: Oribatid mites, living on dung and herbage. |
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Fra tynd og tyktarm ved drøvtyggere. V: Usporoleret oocyst i fæces H: Sporulated oocysts |
Eimeria spp.Tarmcoccidier V: (length: ca 15-30 µm). Shape: spherical, ovoid or ellipsoidal depending on species. The cyst wall is usually clear and transparent and always composed of two distinct layers (double outline) with a micropyle which in some species is covered by a cap (polar cap --> polka ved nogen arter) H: Will hold four sporocysts containing two sporozoites each (Eimeria spp.) or two sporocysts containing four sporozoites each (Isopspora spp.). Hosts: : Cattle, sheep, goats, horses. Location: Small intestine, colon. |
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Fundet i blind og tyktarm ved drøvtyggere V: Voksne orm H: Tarmvæg fra kbæg |
Oesophagostomum spp.Fårets og kvægets knudeorm V: Adult Oe. venulosum (in alcohol). From the large intestine of a sheep. Leaf crown(bladkrone) in the buccal capsule. Cephalic vesicles visible, cervical alae less conspicuous. H: Intestinal wall from cattle with Oe. radiatum nodules (alcohol preservation). The nodules are visible when observed from the mucosal side. O. radiatum hosts: Cattle. O. venulosum hosts: Sheep, goat. Location: Colon |
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Fundet i colon ved får. V: voksne orm H: hanorm |
Trichuris ovisPiskeorm V: Adult worm (length: 8-10 cm). Thin anterior end and stout posterior end (”whip” look). Males with spirally coiled posterior ends. Females with blunt posterior ends. H: Adult male. Close-up of spirally coiled posterior end. One spicule only, protruding from a sheath. filamentøs forende. Hosts: Sheep, goats. Location: Colon |
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Bronchierne fra kvæg. |
Dictyocaulus viviparusKvægets lungeorm Adult bovine lungworms in alcohol (length: 5-10 cm). Whitish. In a stereo microscope the small bursa of the male can be seen. Female worms are larger than males and their uteri contain numerous embryonated eggs which may be observed at the bottom of the flask. NB: Ovine lungworms (Dictyocaulus filaria) are host specific for sheep, but their morphological features are very much like D. viviparus ! Hosts: Cattle Location: Lung. |
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Fundet i galdegangene af især drøvtggere: ØV + ØH: Voksen "fladorm" NV: Metacercariae NH: snegl |
Fasciola hepatica - Stor leverikte ØH: Adult in formalin. Flat hermaphroditic worms (length: 3-4 cm). The anterior end is a cone provided with an oral sucker (mouth + pharynx) and a ventral sucker next to the common genital opening. The testes are light and placed centrally. The vitelline glands form two dark peripheral fringes. ØH: Adult, mounted specimen. All organs are branched. Intestinal caeca most easily visible anteriorly. The uterus is coiling, the cirrus and the ovary are seen immediately posterior to the ventral sucker. The two testes and the vitelline glands connect to the oötype via the spermatic and vitelline ducts, respectively. NV: Metacercariae of F. hepatica. White, flat cysts, diameter ca 1 mm (just visible to the naked eye). Encystment on wet surfaces, incl. herbag (græsstrå?) NH: The small amphibian snail Lymnaea truncatula. Right-twisted shell about 6-7 mm long and the shell opening representing some 50 % of the height. Found in neutral and slightly alkaline soil. Almindelig muddersnegl. |
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Fundet i galdegange af drøvtyggere. |
Dicrocoelium dendriticum - Lille leverikte V: Adults in formalin (length: 8-10 mm). Flat, hermaphroditic worms with an oral sucker on the anterior conus and a ventral sucker located next to the common genital opening. H: Genital organs (mounted and stained): Uterus, containing eggs, located in the posterior part of the worm. Two small vitelline glands bilaterally located. Two rounded testes located anteriorly Final hosts: Sheep, cattle, deer. 1st intermediate hosts: Land snails of many genera. 2nd intermediate host: Brown ants of the genus Formica (both intermediate hosts are required). Location: Bile ducts (juveniles migrating via bilary duct as well as foraging adult flukes). |
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Blodsystemet ved kvæg Farvet bloudstrygning |
Babesia divergens Giemsa stained blood smear with small pear-shaped (1-2 µm long) protozoa parasites located in red blood cells. Trophozoites are typically seen in pairs divergently positioned in an end-to-end formation peripherally in the erythrocytes. Present in temperate climate regions. Hosts: Cattle (specific bovine parasite). Intermediate hosts: Hard ticks (Ixodidae), mainly Ixodes ricinus. Location: Blood vascular system. |