Volume 22, Issue 4 (2022) | OnLine Journal of Biological Sciences

Parasite Fauna and Infection of Sheep with Parasitosis

Assylbek Abdrashitovich Zhanabayev — 2022-10-06

OnLine Journal of Biological Sciences, Published online: 6 October 2022; doi:10.3844/ojbsci.2022.404.414

The purpose of our research was to study the parasitic fauna and infection of sheep with parasites in the northern and southern regions of the Republic of Kazakhstan. For this, we conducted a study to...

Water Saving with Combined Irrigation Methods

Alexander Kalashnikov — 2022-10-06

OnLine Journal of Biological Sciences, Published online: 6 October 2022; doi:10.3844/ojbsci.2022.415.424

In the conditions of arid zones of irrigated agriculture, during the cultivation of horticultural and other crops, high air temperatures (over 25-30оС) and low relative humidity (less than 20-30%) a...

Current Growth Conditions of Populus Diversifolia Schrenk and Populus Pruinosa Schrenk in the Syr-Darya Valley

Polina Vesselova — 2022-10-06

OnLine Journal of Biological Sciences, Published online: 6 October 2022; doi:10.3844/ojbsci.2022.425.438

In the context of urbanization of territories and the intensification of agriculture, the biological diversity of animals and plants in their habitats is degrading. The purpose of the study is to dete...

Visual-Spatial Attention Abilities Among School Children Exposed to Low Environmental Lead Level

Sana Maidoumi — 2022-10-12

OnLine Journal of Biological Sciences, Published online: 12 October 2022; doi:10.3844/ojbsci.2022.439.447

Lead (Pb) is an intrusive toxic matter which harms the neuro-cognitive and behavioral development of children even with doses considered normal. The present paper aims at evaluating the visual-spatial...

Water Quality in Small-Scale Coffee Production Units, Amazonas, Peru

Eli Morales Rojas — 2022-10-11

OnLine Journal of Biological Sciences, Published online: 11 October 2022; doi:10.3844/ojbsci.2022.448.455

The objective of this research was to determine water quality in small-scale coffee production units in the Amazon Region, Peru. The characterization of the factors associated with coffee farmers was ...

Participation of Dermacentor Reticulatus Imago in the Reservation of Bovine Leukemia Virus

Y. Glazunov — 2022-11-02

OnLine Journal of Biological Sciences, Published online: 2 November 2022; doi:10.3844/ojbsci.2022.456.462

Strict implementation of measures for the prevention and elimination of bovine leukemia does not allow completely getting rid of this disease. In all likelihood, the leukemia virus has additional tran...

Beneficial Effects of Soybean and Cassava in Local Wisdom Feed Diets on Growth Performance with Nutritional and Economic Analysis of Snakehead Fish (Channa Striata)

Duangjai Boonkusol — 2022-10-25

OnLine Journal of Biological Sciences, Published online: 25 October 2022; doi:10.3844/ojbsci.2022.463.468

Substituting plant protein for fish meals is an alternate protein source in the diet of reared fish. By replacing fish meal with Soybean Meal (SM) or Cassava Meal(CM), this study determined the effect...

Milk Content and Milk Quality of Sheep of the Kazakh Fat-Tailed Semi-Rough-Haired Breed with Pasture Content

Dulat Ibrayev — 2022-10-25

OnLine Journal of Biological Sciences, Published online: 25 October 2022; doi:10.3844/ojbsci.2022.469.475

The article presents the results of a study on the effect of top dressing and feed additives based on humic substances on milk productivity, the quality of milk of sheep of the Kazakh fat-tailed semi-...

Pasture Productivity Depending on the Method of Pasture use in the Steppe Zone of Northern Kazakhstan

Balzhan Akhylbekova — 2022-11-03

OnLine Journal of Biological Sciences, Published online: 3 November 2022; doi:10.3844/ojbsci.2022.476.483

Unsystematic grazing of animals and continuous use of pastures leads to their degradation and, accordingly, to a shortage of pasture forage for the production of competitive environmentally friendly l...

Prevention of Desertification and Land Degradation using Black Saxaul in Arid Conditions

Birzhan Yessimbek — 2022-11-22

OnLine Journal of Biological Sciences, Published online: 22 November 2022; doi:10.3844/ojbsci.2022.484.491

The harsh climate of the arid zone determines several biological features in black saxaul plantations. Therefore, the study of the growth and condition of artificial plantations, depending on the use ...

Effective Strains of Beauveria Bassiana and B. Pseudobassiana used Against the Asian Locust (Locusta Migratoria L.) in Kazakhstan

Ulzhalgas T. Zhumataуeva — 2022-11-22

OnLine Journal of Biological Sciences, Published online: 22 November 2022; doi:10.3844/ojbsci.2022.492.501

The purpose of the study was to perform genetic identification of the strains of fungi of the Beauveria genus and evaluate the effect of abiotic factors on the growth and survival of colonies and the ...

Evaluation of the Efficacy of Entolek K Planteco® Biopesticide Based on Akanthomyces Lecanii Fungus Against Pest Orthopterans in Soybean Agroecosystems in Southeast Kazakhstan

Izbasar Temreshev — 2022-11-25

OnLine Journal of Biological Sciences, Published online: 25 November 2022; doi:10.3844/ojbsci.2022.502.511

Pest control services dealing with mass pests such as locusts and grasshoppers are forced to use insecticides of various origins to prevent crop damage. In most cases, mainly chemical insecticides are...

Biological Study Scabiosa ochroleuca Seeds Germination and Development of Methods for a Long-Term Storage

Sayagul Serikovna Tyrzhanova — 2022-11-26

OnLine Journal of Biological Sciences, Published online: 26 November 2022; doi:10.3844/ojbsci.2022.512.519

The organization of a storage system for seeds of medicinal plants is an important task of introduction. Our study aimed to identify biological features during the germination of Scabiosa ochroleuca s...

Isolation and Identification of Local Soil Bacteria with Larvicidal Activities Against Aedes aegypti Larvae

Naif Mohammed Alotaibi — 2022-12-14

OnLine Journal of Biological Sciences, Published online: 14 December 2022; doi:10.3844/ojbsci.2022.520.528

Mosquito-borne diseases caused by infected mosquitoes like dengue fever, Zika fever, Chikungunya and malaria are spread to humans through biting causing disease epidemics all over the world. This indi...

Features of Growth and Development in Heifers of Holstein and Black-and-White Breeds

Elena A. Babich — 2022-12-08

OnLine Journal of Biological Sciences, Published online: 8 December 2022; doi:10.3844/ojbsci.2022.529.538

The study of the characteristics of the growth and development of farm animals is of interest in breeding, as it will help to improve animal breeds, as well as serve for the organization of fast and e...

Integrated Protection of Tomato Crops against Tuta absoluta in Open Ground Conditions in the South-East Part of Kazakhstan

A. Adilkhankyzy — 2022-12-16

OnLine Journal of Biological Sciences, Published online: 16 December 2022; doi:10.3844/ojbsci.2022.539.548

There is a need to develop strategies for the protection of tomato crops that would provide high-quality produce safe for the consumer without environmental pollution. The objective of the study is to...

Retraction Notice: Review of Prodigiosin, Pigmentation in Serratia marcescens

2022-12-31

OnLine Journal of Biological Sciences, Published online: 31 December 2022; doi:10.3844/ojbsci.2022.549

The Online Journal of Biological Sciences has decided to retract the manuscript titled "Review of Prodigiosin, Pigmentation in Serratia marcescens" authored by Anita Khanafari, Mahnaz M. Assadi, and F...