Results 21 to 30 of about 447,502 (304)

AGE STRUCTURE AND DYNAMICS OF LOCUST NUMBER IN KARACHAYCHERKESSIA IN DIFFERENT ONTOGENESIS PERIODS

open access: yesЮг России: экология, развитие, 2015
Aim. To study age structure and population dynamics of locusts inhabiting Karachay-Cherkessia in different periods of ontogeny. Information on the periods of locusts hatching, growing to dominant species and their fertility can be used by plant ...
Z. S. Temirlieva
doaj   +1 more source

Developmental and moult cycle related biochemical changes in larvae of the spider crab, Maja brachydactyla (Brachyura: Majidae)

open access: yesScientia Marina, 2012
Ontogenetic changes in dry weight, elemental composition (CHN), and digestive enzyme activities (total protease, amylase) were studied during the moulting cycle of all larval instars (zoea I-II, megalopa; ZI, ZII, M) of the spider crab Maja brachydactyla
Guiomar Rotllant   +3 more
doaj   +1 more source

Replacement of fish meal by Lucilia sericata (Meigen, 1826) live larvae and powdered meal in production of stinging catfish Heteropneustes fossilis (Bloch, 1794) post-larvae

open access: yes, 2022
  Reduction of aquaculture operations and production cost is key to the success and profitability of this enterprise, while protein needs, especially the cost of fish meal, are cery expensive.
Hadi Hamli (12979036)   +1 more
core   +1 more source

Antibacterial Effect of Fermented Pomegranate Peel Polyphenols on Vibrio alginolyticus and Its Mechanism

open access: yesBiology
Vibrio alginolyticus frequently breaks out in aquatic animal breeding operations involving shrimp, and it can endanger human health through food and wound infections. The antibacterial effect and mechanism of fermented pomegranate peel polyphenols (FPPPs)
Zhoulin Yu   +4 more
doaj   +1 more source

Dietary Allicin Improved the Survival and Growth of Large Yellow Croaker (Larimichthys crocea) Larvae via Promoting Intestinal Development, Alleviating Inflammation and Enhancing Appetite

open access: yesFrontiers in Physiology, 2020
A 30-day feeding experiment was conducted to investigate effects of dietary allicin on survival, growth, antioxidant capacity, innate immunity and expression of inflammatory and appetite related genes in large yellow croaker larvae. Four iso-nitrogenous (
Wenxing Huang   +10 more
doaj   +1 more source

Physiological and pharmacological characterizations of the larval Anopheles albimanus rectum support a change in protein distribution and/or function in varying salinities [PDF]

open access: yes, 2010
Ion regulation is a biological process crucial to the survival of mosquito larvae and a major organ responsible for this regulation is the rectum. The recta of anopheline larvae are distinct from other subfamilies of mosquitoes in several ways, yet have ...
Valenti, Micheala L.   +4 more
core   +1 more source

Effects of phosphorus on growth, biochemical parameters and intestinal microbiota of the juvenile hybrid of Acipenser baerii ♀×Acipenser schrenckii ♂

open access: yesAquaculture Reports
Phosphorus (P) plays a vital role in fish life and its application in aquatic feed deserves thoroughly study. To evaluate the effects of dietary P on growth performance, serum biochemical parameters and intestinal microbiota of the juvenile hybrid of A ...
Zhipeng Chu   +10 more
doaj   +1 more source

The complete larval development of Eurypanopeus canalensis Abele and Kim, 1989 (Crustacea: Brachyura: Panopeidae) described from laboratory reared material

open access: yesScientia Marina, 2005
The estuarine panopeid crab Eurypanopeus canalensis Abele and Kim, 1989, is an eastern tropical Pacific species with a known distribution from the southeastern Gulf of California, Mexico, to Panama.
Marcelo U. García-Guerrero   +3 more
doaj   +1 more source

ON THE MOUTH OF THE LARVA OF CHRYSOPA [PDF]

open access: yesThe Canadian Entomologist, 1882
Recently I had the opportunity of watching in a live box, under a low power of the microscope, the seizing and devouring of some plant-lice by the larva of an undetermined species of Chrysopa, and was interested in the manner in which it emptied the body of its victims.
openaire   +3 more sources

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