منابع مشابه
Heat Stress Management for Milk Production in Arid Zones
Arid and semi-arid zones account for one third of the earth's surface land area and cover most parts of the developing nations in the world including Latin America, Africa, and parts of India and South East Asia. Nevertheless, these ecosystems are not exclusive of developing countries because they also exist in developed nations such as United States of America, Spain, Australia, and Israel, am...
متن کاملthe effect of osteopontingene polymorphism on milk production traits in brown swiss cattle
osteopontin gene is located at the end of chromosome 6 in cattle and it is one of the most important genes influence on milk protein percentage and reproduction. in this study, blood samples were collected from100 brown swiss cows and dna was extracted from whole blood by modified salting out procedure. cows were genotyped for single nucleotide polymorphism of intron iv by pcr-rflp and bsri res...
متن کاملassociation of single nucleotide polymorphism of stat1 gene with milk production traits in brown swiss cattle
this study was conducted to investigate the single nucleotide polymorphism of stat1 gene by pcr-rflp technique and association of genotypes with milk production traits in brown swiss dairy cattle. the blood samples of ninety eight cows were collected randomly from tail vein. the dna was extracted with cinagene kit (pr881612c). fragment of 314 bp of stat1 gene was amplified by pcr and digested b...
متن کاملsecuritization of mortality risks in life annuities
insurers have in the past few decades faced longevity risks - the risk that annuitants survive more than expected - and therefore need a new approach to manage this new risk. in this dissertation we survey methods that hedge longevity risks. these methods use securitization to manage risk, so using modern financial and insurance pricing models, especially wang transform and actuarial concepts, ...
15 صفحه اولHeat-Related Health Risks
185 The relationship between human health and stressful weather is a complex medical, social, and environmental issue (Figure 1). Futureclimate scenarios suggest that higher global mean temperatures could result in marked changes in the frequency of temperature extremes (1). Software developed by the National Oceanic and Atmospheric Administration (2) can be used to estimate changes in the prob...
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ژورنال
عنوان ژورنال: Journal of the Agricultural and Applied Economics Association
سال: 2022
ISSN: ['2769-2485']
DOI: https://doi.org/10.1002/jaa2.24