Superfamily Trichostrongyloidea

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Questions and Answers

In superfamily: trichostrongyloidea, what are the 5 stomach worms?

Ostertagia ostertagi, Teladorsagia cicumcincta, Hyostrongylus spp, Haemonchus contortus and Haemonchus places

What are the 3 stress/mismanaged worms in Superfamily Trichostrongyloidea?

Trichostrongylus, Cooperia spp and Cooperia Punctata

What are the three lungworms in Superfamily Trichostrongyloidea?

Dictyocaulus viviparus, Dictyocaulus filaria and Dictyocaulus arnfieldi

What are the last two parasites that need to be mentioned in Superfamily trichostrongyloidea?

<p>Nematodirus spp and Nematodirus battus</p> Signup and view all the answers

What are the general characteristics of Superfamily trichostrongyloidea?

<p>Direct life cycle, infective L3, typical strongly egg, species dependent immunity (cattle, sheep, goats), and PPR in shoats and pigs</p> Signup and view all the answers

The pathogenesis in Ostertagia Ostertagi is known as _______

<p>Moroccan leather</p> Signup and view all the answers

The PPP for Ostertagia is _______

<p>21 days</p> Signup and view all the answers

Ostertagia Ostertagia is found in warm climates

<p>False (B)</p> Signup and view all the answers

Larvae can survive over winter because they reside in cow patties or the soil microclimates

<p>True (A)</p> Signup and view all the answers

What are the five diagnostics that can be used to diagnose Ostertagia?

<p>Clinical signs, grazing season, culture and identify L3, elevated plasma pepsinogen and necropsy</p> Signup and view all the answers

Match to the correct type of Ostertagia

<p>Type 1 = CS: profuse watery diarrhea Type 1 cont. = High morbidity, low mortality if treated in 3 days Type 2 = CS: Intermittent profuse watery diarrhea Type 2 cont. = Low morbidity, high mortality — few are sick but fast onset leads to death</p> Signup and view all the answers

Summer ostertagiosis occurs _____ 1st grazing season, Winter Ostertagiosis occurs _______ 1st grazing season

<p>During, after</p> Signup and view all the answers

CS such as bottle jaw is seen in Type 1 : summer ostertagiosis

<p>False (B)</p> Signup and view all the answers

The final host for Teladorsagia circumcincta are?

<p>Shoats</p> Signup and view all the answers

The predilection site for Teladorsagia cicumcincta is?

<p>Abomasum</p> Signup and view all the answers

The PPP for Teladorsagia?

<p>21 days</p> Signup and view all the answers

What is the life cycle and infective stage of Teladorsagia?

<p>Direct, infective L3</p> Signup and view all the answers

Why are the L4 unlikely to survive in sheep poop over winter (Teladorsagia)?

<p>Because they are less protected</p> Signup and view all the answers

The three diagnostics that can be used for Teladorsagia are?

<p>Clinical signs, seasonality and fecal float and culture to L3</p> Signup and view all the answers

Teladorsagia is ______ for shoats but it’s _____ bad

<p>Teladorsagia is Ostertagia for shoats but it’s less bad</p> Signup and view all the answers

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