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Book ; Conference proceedings: 47. Bad Reichenhaller Kolloquium 2015

Hauck, Rainer Willy

(Atemwegs- und Lungenkrankheiten ; Jahrgang 42, Nummer 7 (2016 Juli))

2016

Event/congress	Bad Reichenhaller Kolloquium (47., 2015, BadReichenhall)
Author's details	herausgegeben von R.W. Hauck und W.J. Randerath
Series title	Atemwegs- und Lungenkrankheiten ; Jahrgang 42, Nummer 7 (2016 Juli)
Collection
Language	German
Size	Seite 343-382, Illustrationen
Publisher	Dustri-Verlag Dr. Karl Feistle
Publishing place	München-Deisenhofen
Publishing country	Germany
Document type	Book ; Conference proceedings
Note	Tagungsdaten: 19.-21. Juni 2015
HBZ-ID	HT019057103
Database	Catalogue ZB MED Medicine, Health

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Zs A 1201 -42,7-	not available for loan	Zeitschriften-Lesesaal

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Article ; Online: Vaccination Against Poultry Parasites.

Hauck, Ruediger / Macklin, Kenneth S

Avian diseases

2024 Volume 67, Issue 4, Page(s) 441–449

Abstract: The complexity of parasites and their life cycles makes vaccination against parasitic diseases challenging. This review highlights this by discussing vaccination against four relevant parasites of poultry. Coccidia, i.e., ...

Abstract	The complexity of parasites and their life cycles makes vaccination against parasitic diseases challenging. This review highlights this by discussing vaccination against four relevant parasites of poultry. Coccidia, i.e.,
MeSH term(s)	Animals ; Poultry ; Parasites ; Chickens ; Poultry Diseases/prevention & control ; Vaccination/veterinary ; Vaccines, Attenuated ; Vaccines, Synthetic
Chemical Substances	Vaccines, Attenuated ; Vaccines, Synthetic
Language	English
Publishing date	2024-02-01
Publishing country	United States
Document type	Review ; Journal Article
ZDB-ID	40871-2
ISSN	1938-4351 ; 0005-2086
ISSN (online)	1938-4351
ISSN	0005-2086
DOI	10.1637/aviandiseases-D-23-99989
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Article ; Online: Interactions Between Parasites and the Bacterial Microbiota of Chickens.

Hauck, Rüdiger

Avian diseases

2018 Volume 61, Issue 4, Page(s) 428–436

Abstract: Except for the important role coccidia have as predisposing factors of necrotic enteritis, the role parasites play in the dynamics of a healthy microbiota of chickens is not well explored. This review describes the interactions of relevant intestinal ... ...

Abstract	Except for the important role coccidia have as predisposing factors of necrotic enteritis, the role parasites play in the dynamics of a healthy microbiota of chickens is not well explored. This review describes the interactions of relevant intestinal parasites of chickens with bacteria. Infection with Eimeria spp. favor the growth of Clostridium perfringens and suppress the growth of many other bacteria by increasing viscosity and passage time of the ingesta, and by causing lesions to the intestinal mucosa that improve the availability of nutrients for C. perfringens. Conversely, there are indications that bacteria influence the course of disease after infections with Eimeria spp. Not much is known about intestinal cryptosporidiosis in chickens, but results in mice show that the intestinal microbiota induces some resistance against infection with Cryptosporidium parvum and that the innate immune response triggered by infections with cryptosporidia might have an effect on other intestinal microbes. Histomonas meleagridis depend on bacteria in vitro, and in vivo it will cause lesions in chickens only in the presence of bacteria. Blastocystis spp. are very common in chickens, but there is no information about interactions with bacteria. In humans, there is evidence of the correlation of the detection of Blastocystis and changes in the intestinal microbiota. There are indications of interactions between Ascaridia galli and various bacteria in chickens and Ascaridia spp. of mammals are known to produce various types of antimicrobial molecules. However, often the underlying mechanisms of these interactions between parasites and bacteria remain unknown and only correlations but not causation can be established.
MeSH term(s)	Animals ; Bacterial Physiological Phenomena ; Chickens/microbiology ; Chickens/parasitology ; Gastrointestinal Microbiome ; Host-Parasite Interactions
Language	English
Publishing date	2018-01-16
Publishing country	United States
Document type	Journal Article ; Review
ZDB-ID	40871-2
ISSN	1938-4351 ; 0005-2086
ISSN (online)	1938-4351
ISSN	0005-2086
DOI	10.1637/11675-051917-Review.1
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Article ; Online: A meta-analysis of the effect of Eimeria spp. and/or Clostridium perfringens infection on the microbiota of broiler chickens.

Pietruska, Andrea / Bortoluzzi, Cristiano / Hauck, Rüdiger

Poultry science

2023 Volume 102, Issue 6, Page(s) 102652

Abstract: Coccidiosis in chickens is caused by Eimeria spp. The infection provides a growth advantage to Clostridium perfringens (CP), frequently leading to necrotic enteritis. One approach to alleviate the negative impacts of the diseases is to improve the ... ...

Abstract	Coccidiosis in chickens is caused by Eimeria spp. The infection provides a growth advantage to Clostridium perfringens (CP), frequently leading to necrotic enteritis. One approach to alleviate the negative impacts of the diseases is to improve the bacterial composition in chickens, and many experiments investigating chicken enteric health in recent years include the characterization of the bacterial microbiota. This meta-analysis synthesized the data of studies investigating the intestinal microbiota after infection with coccidia and/or CP to provide a basis for future research. Inclusion criteria were that experiments contained a group infected with one or both pathogens and an uninfected control group, the use of 16SrRNA Illumina sequencing and the availability of raw data. A total of 17 studies could be included. Meta-analyses of 3 different data sets were performed: 1 on data of 9 experiments on chickens infected with coccidia only; the second on data of 4 studies on chickens infected with CP only; the third on raw data of 8 experiments with chickens infected with coccidia and CP. The meta-analysis of relative abundance and alpha diversity of the data sets was performed in R using the SIAMCAT and metafor packages. The number of families of interest identified by the analyses of experiments with infection with coccidia only, CP only and the combined infection were 23, 2, and 29, respectively. There was an overlap of 13 families identified by analyses of experiments with infection with coccidia only and of experiments with the combined infections. Machine learning was not able to find a model to predict changes of the microbiota in either 1 of the 3 analyses. Meta-analyses of functional profiles showed a more uniform reaction to the infections with the relative abundance of many pathways significantly altered. Alpha diversity was not affected by infection with either pathogen or the combination. In conclusion, the heterogeneity of these microbiota studies makes recognizing common trends difficult, although it seems that coccidia infection affects the microbiota more than an infection with CP. Future studies should focus on the bacterial functions that are changed due to these infections using metagenome techniques.
MeSH term(s)	Animals ; Eimeria ; Chickens/microbiology ; Enteritis/veterinary ; Poultry Diseases/microbiology ; Clostridium Infections/veterinary ; Clostridium Infections/microbiology ; Coccidiosis/veterinary ; Coccidiosis/microbiology ; Clostridium perfringens ; Microbiota
Language	English
Publishing date	2023-03-15
Publishing country	England
Document type	Meta-Analysis ; Journal Article
ZDB-ID	242586-5
ISSN	1525-3171 ; 0032-5791
ISSN (online)	1525-3171
ISSN	0032-5791
DOI	10.1016/j.psj.2023.102652
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Article ; Online: Meta-Analysis of the Use of

Hauck, Ruediger / Eckert, Jordan / Hunter, Colt

Avian diseases

2023 Volume 66, Issue 4, Page(s) 381–388

Abstract: The success of treatments for, or prophylaxis of, coccidiosis with classical anticoccidial feed additives or alternative treatments can be measured with a variety of metrics. Three important metrics are body weight or body weight gain (BW or BWG), lesion ...

Abstract	The success of treatments for, or prophylaxis of, coccidiosis with classical anticoccidial feed additives or alternative treatments can be measured with a variety of metrics. Three important metrics are body weight or body weight gain (BW or BWG), lesion scores (LS), and oocyst shedding (OS). A meta-analysis of floor-pen experiments was performed to determine if using LS and OS would lead to systematically different assessments compared to the use of BW at the end of the experiment, and to what degree changes in LS and OS are correlated with BW. We also investigated if there were days postinfection on which one could expect larger ratios between untreated control groups and treated groups for LS and OS as an aid to selecting sampling days. A total of 38 experiments from 37 articles in peer-reviewed journals were included. Data sets containing experiments that investigated LS or OS in addition to BW or BWG to assess anticoccidial feed additives or alternative treatment were tested for the effectiveness of the intervention either by univariate meta-analyses for each metric or by robust variance estimation multivariate meta-analysis combining BW with LS or BW with OS. The results did not show evidence that the inclusion of LS and OS in experimental designs to assess the effect of conventional and alternative feed additives with assumed anticoccidial activity systematically changed the conclusions drawn from an experiment, but there was no significant correlation between the LS and OS ratios of untreated and treated groups determined during the experiments with the ratios of the BW at the end of the experiment for each experiment. There was also no discernible relationship between LS or OS ratios and days postinfection.
MeSH term(s)	Animals ; Eimeria ; Oocysts ; Chickens ; Poultry Diseases/prevention & control ; Poultry Diseases/drug therapy ; Coccidiosis/veterinary ; Coccidiosis/drug therapy ; Weight Gain
Language	English
Publishing date	2023-02-16
Publishing country	United States
Document type	Meta-Analysis ; Journal Article
ZDB-ID	40871-2
ISSN	1938-4351 ; 0005-2086
ISSN (online)	1938-4351
ISSN	0005-2086
DOI	10.1637/aviandiseases-D-22-00039
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Article ; Online: DETECTION OF COCCIDIA OOCYSTS IN LITTER AND FECES OF BROILERS IN A FLOOR PEN TRIAL.

Hauck, Rüdiger / Pacheco, Wilmer J

The Journal of parasitology

2021 Volume 107, Issue 6, Page(s) 878–881

Abstract: Counting oocysts in feces or litter is 1 method to monitor infection levels with Eimeria spp. in chickens after experimental infection or in commercial flocks. Counts of oocysts shed in the feces are thought to follow a typical pattern, with clear peaks ... ...

Abstract	Counting oocysts in feces or litter is 1 method to monitor infection levels with Eimeria spp. in chickens after experimental infection or in commercial flocks. Counts of oocysts shed in the feces are thought to follow a typical pattern, with clear peaks representing infection cycles while oocyst counts in litter are representative for at least 2 wk before they begin to deteriorate. The objective of the study was to compare oocyst counts in fresh feces and litter of broilers kept in floor pens with fresh pine shavings as litter material for 42 days. The birds were spray-vaccinated against coccidia in the hatchery. Every 2 to 3 days, 7 pens were sampled by collecting fresh feces and litter from at least 3 locations per pen. Oocysts were counted using a McMaster chamber (Vetslides, Park City, Utah). There were significant differences between pens in oocyst counts in feces as well as in litter, and there were no obvious shedding patterns. Overall, the geometric mean of oocyst counts on day 8 and later was 1,300 oocysts per gram (opg) in feces and 2,700 opg in litter. The variability was lower in litter samples, and the number of pens required to find significant differences between groups in a hypothetical experiment was unrealistically high on most days. Investigating individual fecal samples showed large differences within the pens in addition to the differences between the pens.
MeSH term(s)	Age Factors ; Animals ; Chickens/parasitology ; Coccidiosis/parasitology ; Coccidiosis/veterinary ; Feces/parasitology ; Floors and Floorcoverings ; Housing, Animal/classification ; Male ; Parasite Egg Count/veterinary ; Poultry Diseases/parasitology
Language	English
Publishing date	2021-11-16
Publishing country	United States
Document type	Journal Article
ZDB-ID	300870-8
ISSN	1937-2345 ; 0022-3395
ISSN (online)	1937-2345
ISSN	0022-3395
DOI	10.1645/21-8
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Article ; Online: Multilocus Sequence Typing of

Carrisosa, M / Terra-Long, M T / Cline, J / Macklin, K S / Dormitorio, T / Wang, C / Hauck, R

Avian diseases

2023 Volume 66, Issue 4, Page(s) 389–395

Abstract: About 35% of all broiler flocks in the United States receive an anticoccidial vaccine, but it is not possible to easily ... ...

Abstract	About 35% of all broiler flocks in the United States receive an anticoccidial vaccine, but it is not possible to easily differentiate
MeSH term(s)	Animals ; Eimeria ; Coccidiosis/prevention & control ; Coccidiosis/veterinary ; Multilocus Sequence Typing/veterinary ; Chickens ; Poultry Diseases/prevention & control
Language	English
Publishing date	2023-02-16
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S.
ZDB-ID	40871-2
ISSN	1938-4351 ; 0005-2086
ISSN (online)	1938-4351
ISSN	0005-2086
DOI	10.1637/aviandiseases-D-22-00040
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Book ; Thesis: Junge Weinkonsumenten

Hauck, Reinhard

Kaufverhalten, Konsumgewohnheiten und Einstellungen ; Ergebnisse einer Kundenbefragung im Handel

(Forschungsberichte zur Ökonomie im Gartenbau ; 68)

1990

Author's details	von Reinhard Hauck
Series title	Forschungsberichte zur Ökonomie im Gartenbau ; 68
Collection
Keywords	Erwachsener ; Weinkonsum ; Verbraucherverhalten
Subject	Käuferverhalten ; Konsumverhalten ; Verbrauchergewohnheiten ; Konsumgewohnheiten ; Konsumentenverhalten ; Kundenverhalten ; Verbraucher ; Weingenuss ; Weinverbrauch ; Wein
Size	263 S. : graph. Darst., Kt.
Publishing place	Hannover u.a.
Document type	Book ; Thesis
Thesis / German Habilitation thesis	München, Techn. Univ., Diss., 1990
HBZ-ID	HT004123688
Database	Catalogue ZB MED Nutrition, Environment, Agriculture

In stock of ZB MED Bonn / Germany

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938/3516	available for loan (reading room)	Freihandmagazin (U1)

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Article ; Online: Painful Vesicular Eruption on the Index Finger of a Butcher.

Schade, Meredith / Hauck, Randy

American family physician

2019 Volume 99, Issue 12, Page(s) 773–774

MeSH term(s)	Abattoirs ; Exanthema/diagnosis ; Exanthema/physiopathology ; Exanthema/therapy ; Finger Injuries/diagnosis ; Finger Injuries/physiopathology ; Finger Injuries/therapy ; Humans ; Male ; Middle Aged ; Pain/diagnosis ; Pain/drug therapy ; Pain Management/standards ; Practice Guidelines as Topic
Language	English
Publishing date	2019-07-03
Publishing country	United States
Document type	Case Reports ; Journal Article
ZDB-ID	412694-4
ISSN	1532-0650 ; 0002-838X ; 0572-3612
ISSN (online)	1532-0650
ISSN	0002-838X ; 0572-3612
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Article ; Online: Mapping the poultry insectome in and around broiler breeder pullet farms identifies new potential Dipteran vectors of Histomonas meleagridis.

Terra, Maria Tereza / Macklin, Kenneth S / Burleson, Mark / Jeon, Alan / Beckmann, John F / Hauck, Ruediger

Parasites & vectors

2023 Volume 16, Issue 1, Page(s) 244

Abstract: Background: Histomonas meleagridis can infect chickens and turkeys. It uses the eggs of the cecal worm Heterakis gallinarum as a vector and reservoir. Litter beetles (Alphitobius diaperinus) and other arthropod species have been implicated as potential ... ...

Abstract	Background: Histomonas meleagridis can infect chickens and turkeys. It uses the eggs of the cecal worm Heterakis gallinarum as a vector and reservoir. Litter beetles (Alphitobius diaperinus) and other arthropod species have been implicated as potential vectors, but little information about other arthropod species as potential vectors is known. Methods: Four broiler breeder pullet farms were sampled every 4 months. On each farm, three types of traps were set inside and outside two houses. Trapped arthropod specimens were morphologically identified at order level and grouped into families/types when possible. Selected specimens from abundant types found both inside and outside barns were screened for H. meleagridis and H. gallinarum by qPCR. Results: A total of 4743 arthropod specimens were trapped. The three most frequently encountered orders were Diptera (38%), Coleoptera (17%), and Hymenoptera (7%). Three hundred seventeen discrete types were differentiated. More arthropods were trapped outside than inside. Alpha diversity was greater outside than inside but not significantly influenced by season. The composition of the arthropod populations, including the insectome, varied significantly between trap location and seasons. Up to 50% of litter beetles tested positive for H. meleagridis DNA 4 months after an observed histomonosis outbreak. Sporadically litter beetles were positive for H. gallinarum DNA. Thirteen further arthropod types were tested, and specimens of four Dipteran families tested positive for either one or both parasites. Conclusions: This study describes the insectome in and around broiler breeder pullet farms and identifies new potential vectors of H. meleagridis through qPCR. The results show a limited but present potential of arthropods, especially flies, to transmit histomonosis between farms.
MeSH term(s)	Animals ; Female ; Poultry ; Chickens/parasitology ; Farms ; Poultry Diseases/epidemiology ; Poultry Diseases/parasitology ; Protozoan Infections ; Turkeys/parasitology ; Trichomonadida/genetics ; Protozoan Infections, Animal/epidemiology
Language	English
Publishing date	2023-07-20
Publishing country	England
Document type	Journal Article
ZDB-ID	2409480-8
ISSN	1756-3305 ; 1756-3305
ISSN (online)	1756-3305
ISSN	1756-3305
DOI	10.1186/s13071-023-05833-x
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