Resistance potential of certain breeds of domestic fowl exposed to Raillietina tetragona infections

Nadakal, A. M.; Mohandas, A.; John, K. O.; Simón, María Teresa Cutuli de

doi:10.1007/bf00328758

Cited by 7 publications

(6 citation statements)

References 22 publications

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“…The infected birds suffered from significantly lowered weight gain. Lowered weight gain and poor growth rate consequent on cestoda infeations have ba~a reported by several investigators (Aok~rt and Case 1938;Harwooc~ and Lutte~-moser 1938;Srivastava and Pande 1967;Mathur and Paade 1968;Chand 1971;Nadakal et al 1971Nadakal et al , 1974. The data on the effect of R. tetragona infection on the weight gain of the fowl are roughly in accord with the above observations.…”

Section: Discussionsupporting

confidence: 80%

“…Both anorexia and serum protein loss affect protein metabolism, and may be coneeived as being, among other factors, responsible for the poor growth rate. Mowever, preliminary studies (Nadakal et al 1974) indi0ated the absence of anorexia in chickens infected with R. tetragona. Some otber, factors like derangements in the normal digestion and absorpti0, of nutrients especially proteivs may also be responsible for the poor growth rate, as reflected in the lowered weight gain of chickens infeoted with this worm.…”

Section: Discussionmentioning

confidence: 99%

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Metabolic disturbances caused byRaillietina tetragona (Cestoda) infection in domestic fowl: Effect of infection on certain aspects of protein metabolism

Nair¹,

Nadakal²

1980

Proc Ani Sci

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The effects of two levels of infection with 20 and 50 eysticercoids of Raillietina tetragona (Cestoda) on certain aspects of protein metabolism of White Leghorn chickens were studied for a period of 8 weeks post-infection. Infection had no effect on the total protein content of liver while that in intestinal tissues was slightly reduced. The free amino acid nitrogen in the blood was not altered during infection. The serum total proteins and the serum albuminglobulin ratio were reduced significantly in infected birds. The hypoproteinemia was mainly due to the hypoalbuminemia. The infected birds gained significantly less weight than the uninfected ones. The lowered ,serum proteins is correlated with the lowered weight gain. Pathological changes were more pronounced in birds infected with 50 cysticercoids and during the period from 4 to 6 weeks post-infection.

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Section: Discussionsupporting

confidence: 80%

Section: Discussionmentioning

confidence: 99%

Metabolic disturbances caused byRaillietina tetragona (Cestoda) infection in domestic fowl: Effect of infection on certain aspects of protein metabolism

Nair¹,

Nadakal²

1980

Proc Ani Sci

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“…Conversely, the severity of an existing infection by protozoan Histomonas meleagridis was not increased by physical stressors (Welter, 1960). Likewise corticoste-rone had no effect on cestode (Raillietma tetragmia) infection in four breeds of domestic fowl (Nadakal et al, 1973). Gross (1962) has shown that heterophilia (i.e., polymorphonuclear cells) is part of the bird's circulating defense mechanism against E. coli; it is also the response to ACTH or stress in the bird (Newcomer, 1957).…”

Section: Discussionmentioning

confidence: 91%

2. Implications of Selection for High and Low Adrenal Response to Stress

Brown

Nestor

1974

Poultry Science

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The implications of turkey lines selected for high and low adrenal response to stress were discussed. It was concluded that elevated plasma corticosterone in response to stress will probably induce elevated plasma catecholamines. This combination may result in hyperactivity, higher blood pressure, poorer feed efficiency, and poorer reproductive performance. The converse would be true of low adrenal response.The review presented no clear-cut picture of the effects of stress on disease susceptibility. However, it was clear that stressed birds are certainly more susceptible to certain diseases (viral) and less susceptible to others (bacterial). It was suggested that elevated plasma corticosterone is an emergency response that occurs only after the animal fails to maintain homeostasis. If the stress caused by a viral disease was great enough to increase corticosterone there would be decreased resistance to the virus due to lowering of the mononuclear/polymorphonuclear ratio. If the infectious agent was bacterial the above ratio would increase resistance.The increased growth rate, reduced excitability, superior reproductive performance and increased resistance to viral diseases makes selection of birds with low adrenal response to stress attractive.

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“…Rasyonlarında % 50 protein noksanı bulunan kanatlılarda, protein noksanlığına ilgili yetersiz kas gelişimi, noksan tüylenme, kaniba-!izm, safra kesesi büyümesi, paralizi, bacaklarda kemik deformasyonu, böbrek ve bağırsak hemorajileri izlendi ği gibi, noksan protein alan bu gibi kanatlılarda Rai//ietina tetragono enfeksiyonlarının daha şiddetli seyir gösterdiği, hastalık semptomlarının da daha erken ortaya çıktığı kaydedilmiştir (23).…”

Section: Proteinlerin Et K Isiunclassified

BESLENME VE HELMİNT HASTALıKLARı

Ayşe;BOZAN¹

1988

Ankara Üniversitesi Veteriner Fakültesi Dergisi

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Resistance potential of certain breeds of domestic fowl exposed to Raillietina tetragona infections

Cited by 7 publications

References 22 publications

Metabolic disturbances caused byRaillietina tetragona (Cestoda) infection in domestic fowl: Effect of infection on certain aspects of protein metabolism

Metabolic disturbances caused byRaillietina tetragona (Cestoda) infection in domestic fowl: Effect of infection on certain aspects of protein metabolism

2. Implications of Selection for High and Low Adrenal Response to Stress

BESLENME VE HELMİNT HASTALıKLARı

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