Determination of nutritional requirements of calcite precipitating Sporosarcina pasteurii to increase biomass yield for biocementation

2020 ◽  
Vol 92 (9) ◽  
pp. 1230-1230
Author(s):  
F. M. Lapierre ◽  
A. Kustermann ◽  
R. Huber
Keyword(s):  
Biomass Yield ◽  
Nutritional Requirements ◽  
Sporosarcina Pasteurii

scholarly journals Increase of nutrients export and production of pitaya whit potassium fertilization

2020 ◽  
Vol 11 ◽  
pp. e3276
Author(s):  
Josimara Mendes Rabelo ◽  
Maria do Céu Monteiro Cruz ◽  
Nubia Cassiana Santos ◽  
Deilson de Almeida Alves ◽  
João Esdras Lima ◽  
...  
Keyword(s):  
Dry Matter ◽  
Nutritional Requirements ◽  
Nutrient Export ◽  
Plant Nutrient ◽  
High Productivity ◽  
Potassium Fertilization ◽  
Hylocereus Undatus ◽  
Hylocereus Polyrhizus

Characterization works of pitayas show that the potassium (K) is the nutrient most exported, thus, influences in the productivity and quality of this fruit. However, these researches do not report the nutrients export by pitaya's associating the fertilization carried out in the orchard, information that is relevant to make the nutrients reposition adequate at the time of fertilization. The research was carried out to evaluate the supply of K2O in the export of nutrients and productivity of the Hylocereus undatus and Hylocereus polyrhizus pitaya species. The analysis was carried out in the mature fruits harvested in two harvests. Potassium fertilization was performed at doses of 0; 50; 100 and 200 g of K2O per plant. Nutrient export per ton of fruit was calculated from the determination of the nutrient levels and the dry matter of the pitaya pulp. The export of nutrients by the pitaya of the species H. undatus and H. polyrhizus occurs in the following order: K>N>P>Ca>Mg> and Mn>Fe>Cu>Zn>B. These species of pitaya have similar nutritional requirements, enabling them to be receive same fertilization management. The amount of nutrients exported was higher in plants fertilized with potassium due to the higher productivity achieved. Orchards of pitaya that reach high productivity require a greater quantity of nutrients, due to the increase export by the fruits.

Evaluation of the Role of Nutrition in Lobster Recruitment

1986 ◽  
Vol 43 (11) ◽  
pp. 2320-2327 ◽  
Author(s):  
J. D. Castell ◽  
J. C. Kean
Keyword(s):  
Amino Acids ◽  
Essential Amino Acids ◽  
Field Application ◽  
Nutritional Requirements ◽  
Egg Viability ◽  
Good Opportunity ◽  
Broodstock Nutrition

Many of the hypotheses and proposals presented here on the role of nutrition in lobster recruitment have been derived from research on other aquatic animals. Little research has focused on the determination of nutritional requirements of lobsters and even that has been primarily with small juveniles (36–1000 mg). Despite the tacit acknowledgement that maternal fecundity and egg viability are a function of quantity and quality of available food, little is known about the nutrition of reproductively mature lobsters. The importance of broodstock nutrition and possible methods for evaluating nutritional status are discussed. Information on protein, essential amino acids, vitamins, minerals, carbohydrates, and lipids is summarized. Additionally, some proposals for field application of nutritional response criteria used in the laboratory are discussed. Though research on larvae adult broodstock nutrition, effects of environmental factors (e.g. temperature, salinity, photoperiod, etc.), as well as many other aspects of nutrition is yet to be done, there is "good opportunity" for nutrition to be a significant part of the current lobster recruitment research program.

scholarly journals The influence of diets on plasma homocysteine levels in felines

2020 ◽  
Vol 77 (2) ◽  
pp. 85
Author(s):  
Mihaela COTUL ◽  
Mihai CERNEA ◽  
Laura CĂTANĂ ◽  
Sanda ANDREI
Keyword(s):  
Veterinary Medicine ◽  
Cardiovascular Diseases ◽  
Clinical Studies ◽  
Liver Diseases ◽  
Plasma Homocysteine ◽  
Nutritional Requirements ◽  
Group Test ◽  
Quality Food ◽  
The Relationship

Epidemiological and clinical studies in humans established the relationship between homocysteine (Hcy) level in plasma and cardiovascular, kidney and liver diseases. In veterinary medicine, the results regarding Hcy are questionable due to conflicting and rare data. The relationship between the metabolism of Hcy and the nutritional principles of different diets can lead in the future to a real prevention of cardiovascular diseases by simply managing the food of predisposed and elderly animals. The present study aims at comparing two types of diets over a period of 9 months (commercial CD and homemade HMD) on the feline plasma Hcy. Analyzing comparatively the results obtained from the determination of serum Hcy values on the initial diets (t0) and after 9 months of diet (t1), we can observe the decrease of these values both in group test I, which switched from a CD to a HMD, as well as in group test 2, which maintained a CD but switched from a lower quality food to a higher quality one. This fact demonstrates not only the benefits of a home-made diet, but also the need to diversify and combine the commercial one to satisfy the nutritional requirements of the feline organism.

scholarly journals Modeling performance and nutritional requirements of pigs lots during growth and finishing

2015 ◽  
Vol 45 (10) ◽  
pp. 1841-1847 ◽  
Author(s):  
Bruno Neutzling Fraga ◽  
Paulo Alberto Lovatto ◽  
Paulo Roberto Nogara Rorato ◽  
Vladimir de Oliveira ◽  
Carlos Augusto Rigon Rossi ◽  
...  
Keyword(s):  
Weight Gain ◽  
Nutritional Requirements ◽  
Nutrient Requirements ◽  
Feed Conversion ◽  
Improve Production ◽  
Ad Libitum ◽  
Standard Animal

Determination of animal profile from production scenarios by modeling is essential to improve production. The objective of this study was to model and evaluate the performance, the supply and nutrients requirements for pigs, during the growing and finishing phases, in real production scenarios. Six scenarios with 2,200 animals, which consumed six ad libitum diets, were selected. The collected data from the production scenarios were modeled based on the average animal. Animals were housed at 65±7 days old and weighing 22.11±1.41kg and were slaughtered at 159±10 days old and weighing 121.18±7kg. Average of the scenarios was greater than 0.27kg for consumption and 0.12kg for weight gain; feed conversion was equivalent to the standard animal profile (SAP). Scenarios were 1.60g higher for the requirement and 2.67g higher for daily digestible lysine per animal when compared to the SAP. Production scenarios showed differences between performance, supply and nutrient requirements for pigs during the growing and finishing phases. Modeling is a tool that can be used to describe and compare the characteristics of each production scenario.

scholarly journals Determination of raw biomass, yield and income from intercropping models of coffee (Coffea canephora Pierre) compare with perennial trees in tropical climate

2020 ◽  
pp. 1019-1023
Author(s):  
Phan Van Tan ◽  
Huynh Van Quoc ◽  
Dang Thi Thuy Kieu
Keyword(s):  
Biomass Yield ◽  
Fruit Trees ◽  
Tropical Climate ◽  
Coffea Canephora ◽  
Total Income ◽  
Cassia Siamea ◽  
Robusta Coffee ◽  
Durio Zibethinus ◽  
Coffee Beans

This is the first report of evaluation of 4 Robusta coffee intercropping models (Coffea canephora Pierre var. Robusta) with perennial trees (Siamese cassia and durian) on Rhodic ferrasol soil and tropical climate. The models were: T0 - sole coffee, T1 - intercrop of coffee with Siamese cassia (Cassia siamea Lam.), T2 – intercrop of coffee with durian (Durio zibethinus Murr.) at 9 x 9 m distance and T3 – intercrop of coffee with durian at 9 x 6 m distance. The results showed that the raw biomass increased from 71.6 tons ha-1 (T0) to 101.4 tons ha-1 (T1) or to 176.4 tons ha-1 (T2) or to 178.6 tons ha-1 (T3). The yield of dry coffee beans in T2 model was reduced by 300 kg ha-1 and by 1,000 kg ha-1 in T3 model, respectively, compared with T0 (4,120 kg.ha-1). However, they are in the same level with T1 (4,202 kg ha-1). The T2 and T3 models produced 22 and 23 tons ha-1 of durian fruits, respectively. Currently, planting of coffee solely or intercropping with forestry trees are popular methods of growers. We recommend that farmers should intercrop coffee with perennial fruit trees, which creates higher total-income and larger raw biomass.

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