This study was performed to estimate the effect of age at first calving and first two calving intervals on productive life and life time profit in Korean Holsteins. Reproduction data of Korean Holsteins born from 1998 to 2004 and lactation data from 276,573 cows with birth and last dry date that calved between 2000 and 2010 were used for the analysis. Lifetime profit increased with the days of ...

In this paper, a model predictive control (MPC)-based coordinated scheduling framework for variable wind generation and battery energy storage systems (BESSs) is presented. On the basis of the short-term forecast of available wind generation and price information, a joint look-ahead optimization is performed by the wind farm and storage system to determine their net power injection to the elect...

Results from a 10-yr study of five dam breed groups in a range beef production system were used as inputs to a simulation model to evaluate life cycle biological and economic performance. Dam breed groups were straightbred Herefords (HH), Angus-Hereford and Simmental-Hereford F1 crosses (AH and 1S1H), 75% Hereford-25% Simmental (1S3H), and 25% Hereford-75%. Simmental (3S1H). Biological measures...

This study aims to determine the effect of company size, profitability (ROA), Liquidity, Net Profit Margin and Total Asset Turnover on capital structure food beverage companies listed Indonesia Stock Exchange for 2018-2020 research period. The population sector is 30 companies. sampling technique used in this purposive method. There are 18 registered from 2018 2020 that meet criteria be sampled...

There are numerous useful methods that can be conducted in data analysis in order to check data correctness and authenticity. One of contemporary and efficient methods is application of so-called Benford's Law. In this paper we examine ways of application of this law in investigation of specific net income number set. Our aim is to make a conclusion if this number set conforms to Benford's Law....

When a firm starts a new monthly customer account, they typically will bill new customers one month from the start of the new account. However, if they have the opportunity to choose the date of the first bill, this results in missing an opportunity for additional profit. This paper calculates the initial billing period that maximizes the net present value to the firm, and calculates the net ga...

This study aims to determine the effect of macroeconomic and company-spesific factors in determining stock price financial industry. The independent variables used are Inflation, Economic Growth Return on Asset (ROA), Net Profit Margin (NPM), dan Earning per Share (EPS). While dependent variable is price. Research data taken by purposive sampling method, wich means that with certain criteria. o...

A stochastic bio-economic model has been used to determine the effects of new reproductive technologies over a 15-year period. A strategy of using conventional artificial insemination (AI) or embryo transfer (ET) using two sex-controlled embryos at different conception rates (CRs) and herd sizes resulted in a 24 state model. The genetic means of AI population increased over the years, and the g...

six hundred day old unsexed broiler chicks were used in a 35-day trial to compare the effects of soybean oil, palm oil and fish oil supplementation on the performance of broilers in terms of feed intake, weight gain and feed conversion. the chicks were randomly distributed following a completely randomized design in four groups having three replications per treatment. each treatment had 150 bir...