scholarly journals Plant Feed Additives as Natural Alternatives to the Use of Synthetic Antioxidant Vitamins on Poultry Performances, Health, and Oxidative Status: A Review of the Literature in the Last 20 Years

Antioxidants ◽  
2021 ◽  
Vol 10 (5) ◽  
pp. 659
Author(s):  
Federico Righi ◽  
Rosario Pitino ◽  
Carmen L. Manuelian ◽  
Marica Simoni ◽  
Afro Quarantelli ◽  
...  

Plant feed additives (PFA) such as essential oils, extracts, and by-products from plant processing can be included in poultry diets. A total of 39 peer-reviewed articles were selected from the literature published in the last 20 years (2000–2020) comparing PFA antioxidant effects with synthetic antioxidant vitamins (mainly vitamin E) in poultry nutrition. The PFA can be used as an effective nutritional strategy to face poultry’s oxidative stress with positive impact also on their productivity and efficiency. They can partially or completely replace antioxidant synthetic vitamins (the latter administered at doses between 150 and 500 mg/kg) in animal diets, sometimes affecting important physiological functions or expressing synergistic effect with the synthetic antioxidants. It is crucial to take into consideration the issues related to the absorption and the metabolism of these additives and their interaction with gut microbiota. However, some form- and dose-dependent negative effects on growth performances are observed.

Antioxidants ◽  
2021 ◽  
Vol 10 (5) ◽  
pp. 757
Author(s):  
Rosario Pitino ◽  
Massimo De Marchi ◽  
Carmen L. Manuelian ◽  
Marion Johnson ◽  
Marica Simoni ◽  
...  

Scientific evidence demonstrates that plant feed additives (PFA) can be a viable alternative to synthetic antioxidant vitamins in poultry nutrition. PFA are represented by plants, essential oils, plant extracts, and by-products from herbal or crop processing. The use of PFA in the feed industry has increased in recent years as their biologically active compounds (polyphenols) have demonstrated antimicrobial and antioxidant effects in food-producing animals. However, few trials have directly compared the effects of PFA with synthetic vitamins. After a systematic literature review of studies comparing the effects of PFA and synthetic vitamins on poultry products in the last 20 years (2000–2020), a total of 44 peer-reviewed articles were included in the present work. A positive effect of PFA on poultry products’ oxidative stability during storage, organoleptic characteristics, and fatty acids profile has been observed without a specific impact on their performances. The effects of PFA are variable but often similar to those of vitamin E, suggesting the opportunity for a partial substitution of the latter in poultry diets.


Antioxidants ◽  
2021 ◽  
Vol 10 (9) ◽  
pp. 1461
Author(s):  
Carmen L. Manuelian ◽  
Rosario Pitino ◽  
Marica Simoni ◽  
Alexandros Mavrommatis ◽  
Massimo De Marchi ◽  
...  

In the last two decades, the interest in natural plant feed additives (PFA) as alternatives to synthetic vitamins in livestock nutrition has increased. After a systematic review, a total of 19 peer-reviewed papers published between 2000 and 2020 were retained to evaluate the antioxidant effects of PFA compared to synthetic antioxidant vitamins (mainly vitamin E; VitE) in livestock nutrition. These studies demonstrated that PFAs could be as efficient as VitE in counteracting oxidative stress in pigs, rabbits, and ruminants. However, PFAs only positively affected animals’ growth performance and feed efficiency in some monogastric studies. The PFA can affect antioxidant enzyme activity in a dose- and method of administration-dependent manner. The antioxidant capacity of both PFA and VitE were depressed in cows fed with diets rich in polyunsaturated fatty acids. Variability among studies could be related to species differences. Despite the interest of the feed industry sector in PFA, there are still very few studies evaluating their antioxidant effect in species other than poultry.


Author(s):  
Shaden A. M. Khalifa ◽  
Mahmoud M. Swilam ◽  
Aida A. Abd El-Wahed ◽  
Ming Du ◽  
Haged H. R. El-Seedi ◽  
...  

The COVID-19 pandemic is a serious challenge for societies around the globe as entire populations have fallen victim to the infectious spread and have taken up social distancing. In many countries, people have had to self-isolate and to be confined to their homes for several weeks to months to prevent the spread of the virus. Social distancing measures have had both negative and positive impacts on various aspects of economies, lifestyles, education, transportation, food supply, health, social life, and mental wellbeing. On other hands, due to reduced population movements and the decline in human activities, gas emissions decreased and the ozone layer improved; this had a positive impact on Earth’s weather and environment. Overall, the COVID-19 pandemic has negative effects on human activities and positive impacts on nature. This study discusses the impact of the COVID-19 pandemic on different life aspects including the economy, social life, health, education, and the environment.


2021 ◽  
Vol 13 (15) ◽  
pp. 8467
Author(s):  
Erinda Lika ◽  
Marija Kostić ◽  
Sunčica Vještica ◽  
Ivan Milojević ◽  
Nikola Puvača

The quality and safety attributes of poultry products have attracted increasing widespread attention and interest from scholarly groups and the general population. As natural and safe alternatives to synthetic and artificial chemical drugs (e.g., antibiotics), botanical products are recently being used in poultry farms more than 60% of the time for producing organic products. Medicinal plants, and honeybee products, are natural substances, and they were added to poultry diets in a small amount (between 1% and 3%) as a source of nutrition and to provide health benefits for poultry. In addition, they have several biological functions in the poultry body and may help to enhance their welfare. These supplements can increase the bodyweight of broilers and the egg production of laying hens by approximately 7% and 10% and enhance meat and egg quality by more than 25%. Moreover, they can improve rooster semen quality by an average of 20%. Previous research on the main biological activities performed by biotics has shown that most research only concentrated on the notion of using botanical products as growth promoters, anti-inflammatory, and antibacterial agents. In the current review, the critical effects and functions of bee products and botanicals are explored as natural and safe alternative feed additives in poultry production, such as antioxidants, sexual-stimulants, immuno-stimulants, and for producing healthy products.


2021 ◽  
pp. 1-21
Author(s):  
Jie Huang ◽  
Chunyong Tang

Abstract Emerging research in the idiosyncratic deals literature is to examine its negative effects. Thus far, much remains unknown about how and when idiosyncratic deals are associated with employee creative process engagement. Invoking fairness heuristic theory and trait activation theory, we propose and test a model that coworker's idiosyncratic deals have a negative association with witness's creative process engagement through psychological contract violation. Furthermore, we theorize and test the combination of the responsibility for change and perceived exploitative leadership as important boundary conditions, associate interact with coworker's idiosyncratic deals to strengthen the positive impact on psychological contract violation, thereby reducing witness's creative process engagement. We use two time-lagged studies to provide support for these mediation and moderation effects, and also discuss the theoretical and practical implications of these findings.


2007 ◽  
pp. 88
Author(s):  
Wataru Suzuki ◽  
Yanfei Zhou

This article represents the first step in filling a large gap in knowledge concerning why Public Assistance (PA) use recently rose so fast in Japan. Specifically, we try to address this problem not only by performing a Blanchard and Quah decomposition on long-term monthly time series data (1960:04-2006:10), but also by estimating prefecturelevel longitudinal data. Two interesting findings emerge from the time series analysis. The first is that permanent shock imposes a continuously positive impact on the PA rate and is the main driving factor behind the recent increase in welfare use. The second finding is that the impact of temporary shock will last for a long time. The rate of the use of welfare is quite rigid because even if the PA rate rises due to temporary shocks, it takes about 8 or 9 years for it to regain its normal level. On the other hand, estimations of prefecture-level longitudinal data indicate that the Financial Capability Index (FCI) of the local government2 and minimum wage both impose negative effects on the PA rate. We also find that the rapid aging of Japan's population presents a permanent shock in practice, which makes it the most prominent contribution to surging welfare use.


Author(s):  
A. S. Ivanova ◽  
N. V. Dunaeva

Increasing the production of pork meat requires careful work not only in terms of breeding, but also in the organization of complete feeding of animals, the correct selection of feed and feed additives containing the necessary nutrients. The purpose of the work was to analyze the use of premix in feeding young pigs on fattening. Two groups of fattening young pigs (Large White×Landrace) have been selected for the researches using the method of analogous groups, taking into account the breed, age, and live weight per 20 heads in each group with a live weight of 35 kg. Pigs of the control group have received the main economic diet, and animals of the experimental group have received an additional premix Khutorok at the rate of 10 g of premix per 1 kg of feed. The results have shown that the best age to reach 100 kg was in the experimental group of pigs – 215,8 days, which received premix with feed that characterizes their higher precocity by 36,3 days (P < 0,001) than in the control group of animals. The use of this premix had a positive impact on the livability of young animals, in the experimental group it was by 9,3 abs.% more than in the control group of animals. Thus, the best fattening traits have been possessed by young pigl of the experimental group have been received the premix Khutorok in their diet at the rate of 10 g of premix per 1 kg of feed. The obtained data indicate the feasibility of using the premix Khutorok in the feeding pigs for fattening.


2009 ◽  
Vol 14 (2) ◽  
pp. 71-96 ◽  
Author(s):  
Muhammad Tariq Majeed ◽  
Eatzaz Ahmad

This paper analyzes a range of host country characteristics that determine foreign direct investment (FDI) flows to developing countries, using panel data on 72 countries for the period 1970-2008. Keeping in view the endogeneity problem of the chosen host country’s characteristics, the model is estimated using the General Method of Moments (GMM) technique. The analysis shows that gross domestic product (GDP), economic growth, and per capita income positively affect FDI—a result consistent with the market-seeking behavior of multinational corporations (MNCs). Furthermore, we find that remittances have a significant and positive impact on FDI. On the other hand, inflation and the balance of payments deficit have negative effects on FDI. MNCs are attracted to host countries that are outward looking and follow trade-promoting policies. This is confirmed by the positive effect of openness on FDI flows to developing countries. The study also finds that the effect of military expenditures on FDI is negative and significant. Finally, our analysis finds that the real exchange rate has a significantly negative impact on FDI.


The purpose of this research is to seek and identify the impact teamwork has on organizational performance. The research to understand the teamwork quality, team cohesiveness and team performance in employee performance, identify the positive or negative effects of teamwork on employees and to examine the impact of teamwork on organization performance. Therefore, it is to determine how teamwork could effect and improve University employee’s performance within the organization. In fact, it is also to understand on how methods like teamwork quality, team cohesiveness, and teamwork performance have could be used to have positive effects in employee overall performance. The research study used correlation techniques in order to analyze the relationship between two variables that was Teamwork and Organization Performance. In many of the journals and article that was collected, there was clear evidence that teamwork and other measures of team performance are positively related with organization performance. The study of the research shown that there was a significant positive impact of teamwork on organizational performance and employee’s overall performance.


2016 ◽  
Vol 1 (1) ◽  
pp. 36
Author(s):  
Dahruji Dahruji ◽  
Pipit Festy Wilianarti ◽  
Totok Totok Hendarto

At this time the development of the industry in Indonesia is growing rapidly, there are currently large and small industries. An assortment of chemical industry, paper, textiles and cement. The small industry such as industry know. Many industries can generate positive and negative impacts. The positive impact of the industry, among others, the creation of jobs and the use of new technologies in various fields. The negative effects derived from industrial waste in the form of waste, liquid waste containing substances that are harmful to the surrounding community, so that the disposal of waste produces a toxic substance that causes the growth of bacteria that breed. With the indiscriminate disposal of waste fluids can cause problems for humans share, environment and water, can grow germs or other germs harmful to humans, would be susceptible to various diseases due to the influence of chemicals that pollute the river. Long-kelaman waste fluid change color to dark brown and smelly, and the stench is going to result in respiratory problems for people around. (Atinah fatal 2007).The research method using descriptive research method, with consecutive sampling technique to sample 21 people. Analysis using the percentage description. Results obtained 17 percent of skin disorders, diarrhea 2 percent, and laboratory values averaged COB try the 1 meter including pemcemaran being.With the existence of this study is expected an increase of knowledge in the management of household waste small industries. 


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