Results 31 to 40 of about 37,665 (237)

Distribution of an Exotic Pest, \u3ci\u3eAgromyza Frontella\u3c/i\u3e (Diptera: Agromyzidae), in Manitoba, Canada. [PDF]

open access: yes, 2018
Agromyza frontella is an exotic alfalfa pest from Europe that was first detected in North America in 1968 and has since spread westward into Ontario and the north central United States. Informal surveys had detected A.
Gavloski, J.   +4 more
core   +2 more sources

Short communications: Effect of red spinach (Amaranthus tricolor L. var Blitumbrum) extract in the diet on color brightnes of guppy fish (Poecilia reticulata)

open access: yesAceh Journal of Animal Science, 2023
Fish color brightness is influenced by food intake, but no prior reviews have explored the use of red spinach extract in fish feed to enhance color brightness and promote growth in guppy (Poecilia reticulata).
Eri Yusni, Nurul F.D. Hasibuan
doaj   +1 more source

Male sexually coercive behaviour drives increased swimming efficiency in female guppies [PDF]

open access: yes, 2015
Sexual coercion of females by males is widespread across sexually reproducing species. It stems from a conflict of interest over reproduction and exerts selective pressure on both sexes.
Croft, Darren P.   +3 more
core   +2 more sources

PENGARUH AKLIMATISASI KADAR GARAM TERHADAP NILAI KEMATIAN DAN TINGKAH LAKU IKAN GUPPY (POECILIA RETICULATA) SEBAGAI PENGGANTI UMPAN IKAN CAKALANG (Katsuwonus Pelamis)

open access: yesJurnal Teknologi Perikanan dan Kelautan, 2017
Aklimatisasi merupakan suatu upaya penyesuaian fisiologis atau adaptasi dari suatu organisme terhadap suatu lingkungan baru yang akan dimasukinya.  Penelitian ini mengamati proses aklimatisasi kadar garam pada ikan guppy (Poecilia reticulata).
Muhammad Zainuddin Lubis, Sri Pujiyati
doaj   +1 more source

Experimental harvesting of fish populations drives genetically based shifts in body size and maturation [PDF]

open access: yes, 2013
Size-selective harvesting in commercial fisheries can induce rapid changes in biological traits. While experimental and wild harvested populations often exhibit clear shifts in body size and maturation associated with fishing pressure, the relative ...
Christine Dreyer   +9 more
core   +1 more source

Debates and Directions in the Future of Opinion Polling Data

open access: yesIASSIST Quarterly, 1987
Debates and Directions in the Future of Opinion Polling ...
Neil Guppy
doaj   +1 more source

Sampling Technique for Larvae of the Alfalfa Snout Beetle, \u3ci\u3eOtiorhynchus Ligustici\u3c/i\u3e (Coleoptera: Curculionidae) [PDF]

open access: yes, 2017
This paper presents a sampling procedure for estimating larval populations of the alfalfa snout beetle, Otiorhynchus ligustici. The method is based on counts of the larvae taken in 16 x 16 cm quadrats of soil during early fall when the grubs are in their
Binns, M. R, Harcourt, D. G
core   +2 more sources

DETECTION OF CO-INFECTION IN DISEASED GUPPY (POECILIA RETICULATA): TETRAHYMENA SP., MYXOBOLUS SP. AND OPPORTUNISTIC BACTERIA

open access: yesArchives of Veterinary Medicine
The guppy (Poecilia reticulata) is one of the world's most popular freshwater aquarium fish. The present study aims to determine the cause of mortality in guppies obtained from the ornamental fish farm in Istanbul province and to detect tissue damage ...
Cigdem Urku, Mustafa Kemal Meydan
doaj   +1 more source

The influence of copper sulphate pentahydrate (CuSO4·5H2O) on the embryo development in the guppies (Poecilia reticulata)

open access: yesItalian Journal of Animal Science, 2016
In the literature, there are no data on the effects of copper (Cu) on the development and birth defects of live-bearers freshwater fish embryos. The aim of this study was to investigate the influence of copper sulphate (CuSO4) pentahydrate on the ...
Kristina Lasienė   +3 more
doaj   +1 more source

The effect of adding red dragon fruit peel extract (Hylocereus polyrhizus) in feed to increase color brightness in guppy fish (Poecilia reticulata) [PDF]

open access: yesBIO Web of Conferences
This study aims to determine the effect of adding red dragon fruit peel extract in feed on the level of color brightness, growth, and survival of guppy fish.
Maulida Siti   +2 more
doaj   +1 more source

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