Results 121 to 130 of about 7,407 (219)

Population structure and reproductive biology of Loricariichthys melanocheilus Reis & Pereira, 2000 (Siluriformes: Loricariidae) in the rio Ibicuí, Brazil

open access: yesNeotropical Ichthyology
The objective of this study was to analyze population structure (spatial distribution, seasonal distribution and distribution by length classes, sex ratio and length-weight relationship) and aspects of the reproductive biology of Loricariichthys ...
Éverton Luís Zardo   +1 more
doaj   +1 more source

Growth and feed utilization of goldfish (Carassius auratus) fed graded levels of brewers yeast (Saccharomyces cerevisiae) [PDF]

open access: yes, 2016
In this study, a feeding trial was conducted to examine the potential of replacing fish meal with brewers yeast in practical diet of goldfish (Carassius auratus).
Aydin, B., Gumus, E., Kanyilmaz, M.
core  

Prevalence and Intensity Effects of Anisakidae Nematode on Eastern Baltic Cod (Gadus morhua Linnaeus, 1758) Condition Factors and Energy Reserves

open access: yesFishes
Over the past few decades, the population of cod in the Eastern Baltic has faced numerous challenges due to environmental changes, overfishing, and predation, as well as the effects of infection by third-stage larvae of the Anisakidae parasite in the ...
Maija Selezņova   +9 more
doaj   +1 more source

Effects of Aloe vera extract on growth indices, carcass composition and bacterial flora in the intestine of Siberian sturgeon (Acipenser baerii) [PDF]

open access: yes, 2016
Regarding the beneficial effects and benefits of the herb Aloe vera and its application in various industries such as pharmaceuticals and food industries, this study investigated the effects of Aloe vera extract on growth parameters and bacterial flora ...
Bazari Moghaddam, S.   +4 more
core  

Efek Ekstrak Daun Kedondong pada Kadar Gula Darah, Diameter Pulau Langerhans, dan Hepatosomatic Index Mencit Diabetes Melitus Tipe 2

open access: yesLenteraBio : Berkala Ilmiah Biologi
Penyebab diabetes melitus (DM) tipe 2 adalah obesitas dan tingginya kadar ROS yang memicu hiperglikemia. Daun kedondong memiliki kandungan flavonoid yang berpotensi dijadikan obat DM. Penelitian ini bertujuan untuk mengetahui pengaruh ekstrak daun kedondong terhadap kadar gula darah, diameter pulau Langerhans, dan hepatosomatic index (HSI) mencit DM ...
Nonik Anggun Sasmita   +2 more
openaire   +1 more source

Zootechnical parameters and hepatosomatic index of two genetic strains of Nile tilapia fed with β-Glucan + Mannan oligosaccharide (βG+MOS)

open access: yesSemina: Ciências Agrárias
The increasing expansion and the rising demand for food require a greater intensification in the production of Nile tilapia (Oreochromis niloticus), and genetic improvement programs are essential to achieve this goal. In managing these programs, new genetic material is introduced after several generations of selections to reduce inbreeding and enhance ...
Cindy Namie Seino Leal   +9 more
openaire   +2 more sources

Effectiveness of Soybean Meal as a Feed Supplement on Gonadal Maturation, Gonadosomatic Index (GSI), Hepatosomatic Index (HSI), and Spawning Success of Female Broodstock Catfish

open access: yesNekton
The increasing demand for catfish (Clarias sp.) consumption necessitates a sustainable supply of broodstock and seed for aquaculture. One of the main constraints in meeting this demand is the low gonadal maturation rate of catfish outside the natural spawning season. Reproductive hormones play a central role in regulating gonadal maturation through the
Vika Maulidiyah   +6 more
openaire   +1 more source

Assessment of heavy metal load in chub liver (Cyprinidae – Leuciscus cephalus) from the Nišava River (Serbia)

open access: yesBiologica Nyssana, 2011
The Nišava River plays an important role as the source for both drinking water and agricultural irrigation due to its hydrological and geomorphological characteristics as the largest river in the region of southeast Serbia.
Jovanović, B.   +3 more
doaj  

Biochemical composition and changes in biological indices associated with maturation of the ovary in the spiny cheek grouper Epinephelus diacanthus (Valenciennes, 1828) [PDF]

open access: yes, 2011
Changes in biological indices (gonadosomatic index GSI, hepatosomatic index HSI and condition factor) and biochemical composition of body tissues and serum, associated with ovarian development were examined in Epinephelus diacanthus sampled for two ...
Krishnan, L, Rao, A Chandrasekhara
core  

Seasonal changes in condition, hepatosomatic index and parasitism in sterlet (Acipenser ruthenus L.)

open access: yesTurkish Journal of Veterinary & Animal Sciences, 2009
JELENA KOLAREVIC   +5 more
openaire   +1 more source

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