Effects of Numbers of Ascaridia galli in Depressing Weight Gains in Chicks

Reid, W. M.; Carmon, J. L.

doi:10.2307/3274695

Cited by 30 publications

(16 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Infective eggs are consumed by the bird from the environment, hatch in the proventriculus or the duodenum, and produce young larvae that live freely in the lumen of the duodenum. Ascaridia galli infections result in a loss of production by reducing BW gains in younger birds and lowering egg production in older birds [13,14]. Additionally, severe infections can cause intestinal blockage, blood loss, and increased mortality.…”

Section: Description Of Problemmentioning

confidence: 99%

Palatability of tannin-rich sericea lespedeza fed to broilers

Moyle

Burke

Fanatico

et al. 2012

Journal of Applied Poultry Research

View full text Add to dashboard Cite

As parasites become resistant to available anthelmintics, new methods of control are needed. New drugs take a long time to develop in addition to being expensive; therefore, there is increasing interest in finding and using natural alternatives. Additionally, natural remedies are needed for the organic sector because synthetic drugs are not allowed and birds with outdoor access are likely to encounter parasites. Sericea lespedeza [SL; Lespedeza cuneata (Dum. Cours.) G.Don.] is a common perennial legume found in pastures across the southern United States that has been shown to be effective at controlling parasitic nematodes in small ruminants because of its condensed tannin content. Diets high in condensed tannins are often unpalatable to poultry; however, growers report that chickens maintained on pastures will consume SL. These reports and the level of consumption have not been verified. Therefore, before determining its potential in controlling parasites in poultry, we confirmed in a preliminary study that birds on pasture consumed SL (92% of birds examined had SL in crops), and in a subsequent study, dried SL leaves were added to a commercial broiler feed to determine the palatability of SL at various concentrations. Diets included 0 (control), 5, 10, or 20% SL (DM weight) and were fed from hatch until slaughter at 6 wk of age. Male broilers (n = 80) were randomly divided into 8 groups and fed 1 of the 4 diets in replicate. Body weight gains were similar between the control and SL at 5%. Including more than 5% SL in the diet reduced individual BW (P < 0.05). At the end of the feeding period, the digestive organs as a percentage of body weight of birds fed 20% SL were larger than those of control birds. Feed conversion was higher in the 20% SL treatment (2.31) than in the control treatment (1.63; P < 0.05). Palatability of SL did not appear to be a problem because all treatment groups consumed a similar amount of feed. Therefore, the effects of SL on parasite control will be evaluated in subsequent studies.

show abstract

Section: Description Of Problemmentioning

confidence: 99%

Palatability of tannin-rich sericea lespedeza fed to broilers

Moyle

Burke

Fanatico

et al. 2012

Journal of Applied Poultry Research

View full text Add to dashboard Cite

show abstract

“…Ikeme (1971a) postulated that the weight loss was directly correlated to number of adult worms in the intestine. Reid & Carmon (1958) calculated a weight loss of 1.39 ± 0.37 g per worm during a 3-week period. In the present study, the average weight gain was significantly higher in the MSR group than the LSR and HSR groups which might indicate an influence of stocking rate on weight gains favouring the MSR group.…”

Section: Discussionmentioning

confidence: 99%

Studies onAscaridia galliin chickens kept at different stocking rates

et al. 1998

View full text Add to dashboard Cite

The development of Ascaridia galli infections was investigated over a period of 378 days in parasite naïve chicken flocks ('permanent flocks') kept at different stocking rates and infected by introducing previously infected chickens (seeder birds). The results of this study indicated that differences in stocking rate may lead to different levels of establishment of A. galli infections in chickens. Furthermore, significantly higher weight gains were seen in the medium stocking rate (MSR) group than in either the low stocking rate (LSR) or the high stocking rate (HSR) groups. Periodically, the egg excretion was significantly different between the groups. Although not significant for the whole period, the general trend was that the egg excretion was lower in the MSR group than the LSR and HSR groups. The mean worm burdens in the permanent flocks at the end of the experiment were not significantly different from each other. To estimate the availability of infective eggs in the houses and pens, tracer animals were introduced into each of the permanent flocks every month. Information derived from tracer animals did not confirm an effect of stocking rate on the availability of infective eggs in the environment, although there was a trend towards higher mean worm burdens in the tracers from the MSR group.

show abstract

“…Ascaridia galli (Schrank 1788) which normally is located in the upper part of the small intestine of chickens, turkeys, guinea fowl and game birds may cause severe weight depression in the host (Ackert, 1931;Reid and Carmon, 1958;Ikeme, 1971c). Weight depression in chickens has been shown to correlate with increasing worm burdens (Ikeme, 1971c).…”

Section: Introductionmentioning

confidence: 98%

Ascaridia galli infections in free-range layers fed on diets with different protein contents

Permin¹,

Nansen²,

Bisgaard³

et al. 1998

British Poultry Science

View full text Add to dashboard Cite

1. One hundred and twenty 17-week-old Lohman Brown hens were divided into 4 groups. Groups 1 and 3 were given a diet with 180 g protein/kg and groups 2 and 4 were given a diet with 140 g protein/kg. Groups 1 and 2 were orally infected with 500 (+/- 50) embryonated Ascaridia galli eggs. 2. Marked differences in mean weekly weight gain for the 4 groups were observed. 3. Hens given 140 g protein/kg had a significant lower mean worm burden of adult A. galli worms and a significant lower weight gain compared to the group given 18 g protein/kg. 4. There was no significant difference in faecal egg counts between the 2 parasitised groups. 5. The egg production did not differ significantly between any of the groups. 6. The results of this study indicate that the amount of dietary protein in the diet has an effect on the establishment of A. galli infections in the gut of layers kept under free range conditions.

show abstract

Effects of Numbers of Ascaridia galli in Depressing Weight Gains in Chicks

Cited by 30 publications

References 0 publications

Palatability of tannin-rich sericea lespedeza fed to broilers

Palatability of tannin-rich sericea lespedeza fed to broilers

Studies onAscaridia galliin chickens kept at different stocking rates

Ascaridia galli infections in free-range layers fed on diets with different protein contents

Contact Info

Product

Resources

About