In T s a h lo v a e o T c t c fr p c t a a p lu A le b d h p T o t t M A 2 W ta la c c a r a e
Investig
ntroduction The red chick pread in po animal welfar housing. In a
oss of perfor vere outbreak and death of et al. 2006).
often difficult The difficult l hemical prod he animal, is ates have lon ree method.
present in d lassified as h heir modifica alveoli if the and cause silic prolonged ex
ung damage An alternativ ess lung‐dam by Witteler w dust bath sho haviour of the pressure by th This study inv of the dust b
he mite popu he developm Material & M A trial was co 2017 at a "Na Westphalia (G ation in orde actic control ompartment ompartment and control g
eduction, mi and the mites evaluated wit
gation of t
ken mite (Der ultry houses re and econo
ddition to re rmance due t k of infestatio
the animals The control t due to the egal situatio ducts in the s disconcerti ng been used
The amorph iatomaceous harmful to he ations, on the
particle size cosis (quartz posure. Qua in laying hen e to an acti maging contro with their Cum
ould encoura e animals, bu he red chicke vestigated th bath with the ulation with ment stages.
Methods onducted fro aturland" lay Germany) wit er to test the with Cumbas ts with 3,000 ts each coul
roups. In ord te traps wer s trapped in th regard to
‐ D
the effect t
Franziska
rmanyssus ga s and is one omic problem estlessness, c to constant b on can also l
(SCHNIEDER et of the red lack of appro n regarding
occupied ba ng for poult d as an altern
hous silicon s earths (Kie ealth. Crystall
e other hand is sufficiently dust lung) in rtz fine dust s (ZENNER et a ive substanc ol method co mbasil® Mite age not only ut also reduce en mite.
he effects of e product Cu regard to the
om October ing hen farm th an existing effectiveness sil® Mite. The 0 animals ea
d be used a der to record re set up at r them, but st their numbe
Rese
Department of www4.fh‐sw
of alterna tribution o
Fiege, Rode
allinae) is wi of the bigg ms in laying h cannibalism a blood loss, a
ead to anaem t al. 2006; H
chicken mite oved chemic
the approva arn, but not
ry farmers. S native and dr
dioxide, as i eselgur), is
ine silicates a d, can reach
y small (< 5μ n humans dur can also ca al. 2009).
e‐free and a ould be offe e dust bath. T
the natural e the infestat
the applicat umasil® Mite e distribution
2016 to Aug m in North Rh g bird mite inf s of the prop e stable had f ch, so that t as experimen
a possible m regular interv till mobile, w
er and stage
arch No
Agriculture, So wf.de/cms/fors
ative mite of the mit
erich Garmei
ide‐
gest hen and se‐
mia
IEPE e is cals.
l of on Sili‐
rug‐
t is not and the μm) ring use
also red The be‐
tion
tion on n of
gust hine fes‐
phy‐
four two ntal mite vals were e of
de we 20 Du ins me Cu tio by Re A t co mi co cia 20 ma in Th mi be co co
Fig op It s es de um
otes
oest ‐ ISSN 2567 schungsnotizen
e control i te populat
ister and Ma
velopment. F ere weighed
19).
uring the stu stalled in ea ents, which mbasil® Mite on rate of 1.3
the produce esults
total of 18 tr mpartment a tes per date mpartments ally in the su 19). The ma als in one tra
the control c e counting o te pressure a seen in Fig.
mpartments mpartments.
g. 1: Distributi ment stages a should be no
and larvae velopment a ms correspond
N
7‐0484 n/
in laying h tion
arc Boelhauv
Furthermore, on two dat
dy, three du ch of the tw
were filled e each. This c
kg cumbasil r.
raps were se and the maxi was significa than in the ummer mont ximum numb ap was detec
ompartment f the mite tr as temperatu 1, the increa is significant
on of capture and season of oted that adu
can be dete and distributi ds to the exp
No. 9/Marc
hen husba
ve
, 20 hens per tes (cf. FIEGE
ust baths we wo experime
once a wee corresponds t per hen per
et at seven fr mum counta antly higher test compar ths (see FIEGE
ber of mites cted during th ts.
raps showed ures rose in su
se in the unt tly higher th
ed mites acco f the year ult mites, bot
ected in bot ion of the in pected develo
h 2019
andry ‐ dis
r compartme
E & BOELHAUV
re additional ental compar ek with 25 k to the applic r year declare
requencies pe ble number o in the contr rtments, esp
E & BOELHAUV
with 208 an he experimen
an increase ummer. As ca treated contr han in the te
ording to deve
h nymph sta h groups. Th ndividual stad
opment.
s‐
nt
VE
lly rt‐
kg a‐
ed
er of rol e‐
VE ni‐
nt
in an rol est
el‐
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he di‐
D A fa S t s a a e T h to p a fi s c fo c a o c a w p M r m 2 T c in a s b h b a h C t m a a r e c b A g t c
Discussion A jointly agre
armer and th Sciences (SW
he control gr ix weeks and animals had a a result, th equipped with The prelimina high percent onymphs. Th peratures, as and the non‐b ive months ( tabling, i.e. t old spring, v ollowing mo ould be regi assumed that oped further rease in the addition, new with a signific partments. T Mite is used uns smoothly mobilization o 2019).
The explosive ompartment nation shows addition, the tances again barn are hard hens more dif ble which kee at a moderat health over Cumbasil® M
rial, as the tr mite populati ate. However about a total
eproduction even in the
hicken mites bition of walk As the influen group was alr he mechanic hicken mite
ed terminatio he South We
UAS) took pl roup had incr d the externa already suffe he control
h the Cumbas ary experimen tage of larv his can be ex the developm blood‐sucking (SCHNIEDER et the absence very few mite
nths. A deve istered in th t the "overw at that tim number of p w larvae wer
cantly higher This shows t as a dust‐b y, but is sign of the mites
e increase of ts during the s the explosiv
fact that in nst the red ch
dly possible, fficult. A cont eps the infest te level and
the entire l ite showed rial group als ion, but this r, it is not po
stall occupa rate of the high‐risk mo s may also be king activity (c nce on anima ready detecta
al inhibition o may have led
‐ De on of the exp estfalia Unive
lace after th eased very ra al appearanc
red as a resu compartmen sil® Mite prod nt (winter mo vae and on xplained by t ment cycle th g larvae can r
al. 2006). A of the host es could be elopment of he summer a wintered" larv e, which als proto‐ and d re detected
number in t that even w
ath, the dev nificantly redu
(cf. GARMEIST
the bird mit last four wee ve nature of t nteractions w hicken mite makes the ke tinuous inter tation with t thus enable laying period
this potentia o showed an
was distinct ossible to ma ancy phase. F mites rema onths. The lo e due to the m
cf. GARMEISTER
l performanc able, it can b of the movem d to a lower n
Resear
epartment of Ag www4.fh‐swf periment by ersity of Appl e mite count apidly in the
e of the cont ult of itching.
nts were a duct.
onths) showe ly a few p the colder te hen slows do remain for up According to
animal, and detected in the populat again. It can vae have dev o led to an eutonymphs in both grou he control co when Cumba
velopment cy uced by the
TER & BOELHA
e in the cont eks of the exa the infection with active s in the occup eeping of lay raction is des he chicken m es stable anim
d. The prod al in this ini n increase in ly more mod ake a statem
Fortunately, ained quite l
ower counts mechanical in
R et al. 2019) ce in the cont be assumed t
ments of the number of su
rch Note
griculture, Soes f.de/cms/forsch
the lied t in last trol . As also
ed a pro‐
em‐
own p to the the the tion be vel‐
in‐
s. In ups, om‐
sil®
ycle im‐
AUVE
trol am‐
n. In sub‐
pied ying sira‐
mite mal duct itial the der‐
ent the low s of nhi‐
. trol that red uck‐
ing ex In
TER
co cid ba ch do sta tra the lea cha to blo he en tha tim Fin Wit me
Ref Fie alte and No Ga infl chi 6/2 Ga Inv chi 4/2 Hie log Bek Sch när Zen Mo far 166
es
st ‐ ISSN 2567‐0 hungsnotizen/
g acts and su perimental g the context
R et al. 2019;
uld not dem dal effect, it
sil® Mite as a icken mite po oes not take
ages of deve aps. The inte
e effects of C ads to the co
anically prev the body of oodsucking ac
ns have been mite must b at the numbe me than in the
nancial support tteler (Rüthen, ents of good sci
ferences
ge, F. & Boelha ernative contro d on animal hea . 8/2019, SWUA rmeister, R. & B luence of Cumb cken mite (Der 2019, SWUAS
rmeister, R., Sc vestigation on t cken mite (Der 2019, SWUAS epe, T., Lucius, R gie. Mit den Gru
kämpfung. 1. A hnieder, T., Boc rmedizinische P nner, L., Bon, G onitoring of Der ms. In: Experim 6. DOI: 10.1007
No.
0484
bsequently t roup may hav of the two re
; GARMEISTER onstrate the should be no a dust bath le opulation. Eli
place, as the elopment of erpretation o Cumbasil® Mi onclusion tha
ented from the laying he ct. This also i n housed, the be treated. Ho er of chicken e control gro
t: This work w , Germany) an entific practice
auve, M. (2019) ol of the red chi alth in laying he AS
Boelhauve, M. ( basil® Mite on t manyssus gallin
hulz‐Beenken, he invasiveness manyssus gallin
R., Gottstein, B undzügen der Im
ufl. Stuttgart: P h, J.; Supperer, Parasitologie. 6.
., Chauve, C., N rmanyssus galli mental & applied
7/s10493‐009‐9
. 9/March 2
the propagat ve decreased esearch note
& BOELHAUVE
e initial suspi oted that the eads to a con
mination of t ere is still d f the chicken of the individ
ite on the red at the mites moving alon ens in order t mplies that a e retreats of owever, it ca mites will b up.
was financed b nd was subject e.
): Investigation icken mite on it en husbandry. R
(2019): Investig the migration a nae). Research
A. and Boelhau s of Cumbasil®
nae). Research
B. (2006): Allgem mmunbiologie, Parey.
, R., Bauer, C. (2 . Aufl. Stuttgart Nemoz, C., Luba nae in free‐ran d acarology 48 9253‐3.
2019
ion rate in th d accordingly es (cf. GARME E 2019), whic icion of a bio e use of Cum ntrol of the re
the populatio etection of a n mite in th dual results o d chicken mit are only m g the feathe to perform th after the layin the red chic an be assume
e lower at th
by the compa t to the requir
of the impact o ts population Research Notes
gation of the ctivity of the re Notes, No.
uve, M. (2019):
Mite on the red Notes, No.
meine Parasito‐
Diagnostik und
2006): Veteri‐
t
ac, S. (2009):
ge poultry (1‐2), S. 157–
he .
IS‐
ch o‐
m‐
ed on all he on te e‐
ers he ng k‐
ed his
ny re‐
of
s,
ed
d
‐ d
