نتایج جستجو برای: intensive husbandry
تعداد نتایج: 135687 فیلتر نتایج به سال:
Precision farming is one of the ways transition to intensive methods agricultural production. The case application unmanned aerial vehicles (UAVs) for solving problems agriculture and animal husbandry among actively studied issues. UAV capable tasks monitoring, fertilizing, herbicides, etc. However, effective use requires solve flight planning, taking into account heterogeneity available attach...
Interest in the welfare of cattle in the beef industry has intensified over time because of ethical concerns and varying societal perceptions that exist about the treatment and living conditions of farm animals. The definition of welfare will vary according to an individual's philosophies (how one defines and prioritizes what is "good"), experiences (societal and cultural influences of animal r...
Cattle dominate archaeozoological assemblages from the north-central Europe between the sixth and fifth millennium BC and are frequently considered as exclusively used for their meat. Dairy products may have played a greater role than previously believed. Selective pressure on the lactase persistence mutation has been modelled to have begun between 6000 and 4000 years ago in central Europe. The...
The levels and composition of agricultural dusts are influenced by animal species, production strategy, housing type and ventilation efficiency. Agricultural dust within animal houses is complex and consists of feed particles, microbes and their products, dander, fecal matter, gases, metals and other organic and inorganic components. Livestock and poultry production facilities may be categorize...
The strategy of “Basing city, land, population and production on water resources”, clarifying the uses each province influencing factors are crucial to conservation intensive use resources for Yellow River basin. In this study, physical use, production-based footprint, consumption-based footprint nine provinces in Basin from 2007 2017 measured. Then, key three kinds analyzed by random forest mo...
ABSTRACT Underground dams have been widely deployed in the semi-arid region of Rio Grande do Norte, a state Brazilian Northeast, aiming to mitigate effects caused by water scarcity. In this study, geographic distribution electrical conductivity underground was evaluated at end dry season 2018 and rainy 2019. Maps were created ArcGIS 10.4.1 software using Inverse Distance Weighted interpolator. ...
Increased susceptibility of birds to avian pathogens in intensive husbandry system has emphasized on necessity of improvement of innate and specific immune responses of birds by the fast establishment of a beneficial microflora and immune stimulator factors to guarantee healthy and low-price products. During this study, 192 one-day-old broiler chicks (Ross-380) in four groups with three replica...
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