Results 31 to 40 of about 584,095 (306)
Owls as bioindicators: their spatial and temporal aspects in Eastern Europe
The article presents the unique results of a study of the spatial distribution of owls in the territory of the Republic of Tatarstan by season of the year on long-term data. Ravkin’s transect method was used to census fixed randomly selected plots spread
Arthur Askeyev +2 more
doaj +1 more source
Hydrographical Observations during a Red Tide with Fish Mortalities at Masirah Island, Oman
Harmful Algal Blooms (HABs) can have a significant impact on the distribution and survival of coastal fishes and invertebrates, and consequently they can affect local economies where fishing is an important activity.
Saud S. Al Busaidi +3 more
doaj +1 more source
Incidence and Economics of Clinical Mastitis of Holstein Friesian Dairy Cows under Egyptian Condition [PDF]
Mastitis is an endemic disease that is considered to be one of the most frequent and costly dairy disease, so the aim of this study was to investigate different factors that affecting mastitis incidence, and their effect on productivity and profitability
Eman Kamel, Amira Abd-El Hamed
doaj +1 more source
METALS FORMS DISTRIBUTION IN LAKES SEDIMENTS OF NATURAL AND URBAN AREAS OF THE REPUBLIC OF TATARSTAN
The paper contains the comparative assessment of content levels and the revealed patterns of total and mobile forms of metals (Cd, Pb, Co, Cu, Ni, Zn, Cr, Mn, Fe) distribution in the bottom sediments of natural (Volga-Kama Nature Reserve) and urbanized ...
Vsevolod Valiev +5 more
doaj +1 more source
Basic education forms the cornerstone of national development, yet Nigeria continues to suffer from chronic underfunding despite policy frameworks aimed at universal access.
Adesola Afusat Odukoya, Egbedi Tungbowei
doaj +1 more source
This research was done to mainfest the effect of stocking density on growth performance traits, blood chemistry and the expression of heat shock protein (HSP) 70 and insulin-like growth factor I (IGF-I) genes in growing New Zealand White rabbits.
Khairy M. El-Bayoumi +3 more
doaj +1 more source
Impact of Fresh Azolla Feeding on Egg Production and Production Cost in Local Dohfari-Chicken Main author: Sami Sayed Awad Marjan [PDF]
The study examined the impact of fresh Azolla feeding on egg production and production cost in local dohfari chicken. It was conducted from period of Oct 2022 to January 2023 in the animal researches station salalah-oman.
Sami Marjan +3 more
doaj +1 more source
Application of gamma regression model for assessing factors affecting milk production in Holstein dairy herd [PDF]
Generalized linear models (GLMs) are an extension of the linear regression model which is a strong and flexible tool for generating relationships between predictors and response variable, GLMs are widely applied in different fields such as epidemiology ...
hayaa abdelrahman +4 more
doaj +1 more source
Growth performance and carcass traits of two broiler strains fed a diet supplemented with cinnamon powder [PDF]
Cinnamon powder, known for its antimicrobial and antioxidant properties, was evaluated for its impact on growth performance and carcass traits in Arbor Acres and Hubbard broilers.
Radwa Hussein +3 more
doaj +1 more source
This study aimed to elucidate the reproductive performance of purebred Holstein (HO) cows with their crosses with Fleckvieh (FV) and Brown Swiss (BS) cows under subtropical conditions. A total of 677 cows [487 HO, 104 HO × FV (HFV); 50% FV and 50% HO and
Mohammed A. F. Nasr +4 more
doaj +1 more source

