Results 81 to 90 of about 24,667 (236)
Green nesting material has a function in mate attraction in the European starling [PDF]
The function of fresh green nest material has long been debated. It has been suggested that it reduces the number of ectoparasites in nests and on nestlings (nest protection hypothesis), or is used by males to signal condition and paternal quality (male ...
Komdeur, J
core +1 more source
ABSTRACT The Asian hornet (Vespa velutina nigrithorax) poses a significant threat to the beekeeping industry. Using an experimental apiary of 36 hives, we simultaneously evaluated the effectiveness of two mitigation measures—muzzles and electric harps—in reducing the impact of Asian hornets on honey bee colonies.
Núria Roura‐Pascual +9 more
wiley +1 more source
Molecular detection of Wolbachia endosymbiont in reptiles and their ectoparasites [PDF]
Ranju Ravindran Santhakumari Manoj +3 more
openalex +1 more source
Abstract Deep‐sea elasmobranchs are less resilient to the increasing scale of anthropogenic impacts such as fisheries, owing to their life‐history traits. The necessity for proper management measures is hampered by the scant knowledge on these taxa and their biology. Here we provide the first comprehensive insight into the parasite infracommunities and
Wolf Isbert +5 more
wiley +1 more source
Gamasid mites (Acari: Mesostigmata) are ecologically diverse arthropods, many of which act as vectors for zoonotic diseases such as rickettsial pox and hemorrhagic fever with renal syndrome.
Peng-Wu Yin +7 more
doaj +1 more source
ABSTRACT The gill parasite Sparicotyle chrysophrii poses a significant threat to gilthead sea bream (Sparus aurata) aquaculture in the Mediterranean, causing considerable mortality and economic losses. As traditional chemotherapeutic treatments, like formalin, face growing regulatory restrictions, there is an urgent need for alternative control ...
Teresa Pirollo +8 more
wiley +1 more source
ABSTRACT Infectious spleen and kidney necrosis virus (ISKNV) is a significant threat to global aquatic food security by causing large‐scale mortality in the aquaculture of tilapia (Oreochromis niloticus) and mandarin fish (Siniperca chuatsi). ISKNV is a genogroup of Megalocytivirus pagrus1, along with RSIV and TRBIV, and their recent listing as WOAH ...
Joy A. Becker +6 more
wiley +1 more source
Organic Upland Beef and Sheep Production [PDF]
The technical guide addresses the issues relevant to the organic beef and sheep sector, acknowledging the questions that are frequently directed to the technical ‘Helpline’ of Organic Centre Wales.
Frost, David +3 more
core
ABSTRACT Intensification of fish aquaculture worldwide has led to severe problems of diseases caused by parasitic dactylogyrideans. In this study, the anti‐dactylogyridean efficacy of treating Colossoma macropomum with baths of emamectin benzoate (EMB) was investigated for the first time, along with the effects of this treatment on the haematology and ...
Raimundo Rosemiro de Jesus Baia +4 more
wiley +1 more source
The management and associated costs of rearing heifers on UK dairy farms from weaning to conception [PDF]
Dairy heifers only start to produce a return on investment at first calving. The length of the nonproductive rearing period is largely governed by farmer decisions on plane of nutrition and reproduction management.
Boulton, A C, Rushton, J, Wathes, D C
core +1 more source

