نتایج جستجو برای: cow feed cost

تعداد نتایج: 461176  

Journal: :international journal of industrial mathematics 0
a. jafarian department of mathematics, urmia branch, islamic azad university, urmia, iran. s. measoomy nia department of mathematics, urmia branch, islamic azad university, urmia, iran.

this paper intends to offer a new iterative method based on arti cial neural networks for finding solution of a fuzzy equations system. our proposed fuzzi ed neural network is a ve-layer feedback neural network that corresponding connection weights to output layer are fuzzy numbers. this architecture of arti cial neural networks, can get a real input vector and calculates its corresponding fu...

2013
Marzanah A. Jabar Niloofar Yousefi Ramin Ahmadi Fatimah Sidi Rozi Nor Haizan Nor

one of the most important issues in dairy farm is feed management which aims to manage available and required feed. There are several problems associated with managing cattle feed such as how to best satisfy feed deficits or how to utilize extra feed available. Since early 70s, feed planning decision support systems have been developed to help farmers addressed issues. However, many of those sy...

2014
C. E. F. Clark A. Horadagoda K. L. Kerrisk V. Scott M. R. Islam R. Kaur S. C. Garcia

Pasture-based automatic milking systems (AMS) require cow traffic to enable cows to be milked. The interval between milkings can be manipulated by strategically allocating pasture. The current experiment investigated the effect of replacing an allocation of grazed pasture with grazed soybean (Glycine max) with the hypothesis that incorporating soybean would increase voluntary cow traffic and mi...

Journal: :IOP conference series 2021

Abstract The impact of Covid-19 pandemic disrupts the supply chain for livestock breeds, feed, medicines, and others interfere sustainability businesses. This study aimed to determine dairy cattle business’s changes during at Business Group (KUB) Tirtasari Kresna Gemilang, Malang Regency, Indonesia. data were obtained using purposive sampling method. Respondents consisted 17 farmers (10%) total...

2017
Kaare Græsbøll Carsten Kirkeby Søren Saxmose Nielsen Tariq Halasa Nils Toft Lasse Engbo Christiansen

The future value of an individual dairy cow depends greatly on its projected milk yield. In developed countries with developed dairy industry infrastructures, facilities exist to record individual cow production and reproduction outcomes consistently and accurately. Accurate prediction of the future value of a dairy cow requires further detailed knowledge of the costs associated with feed, mana...

Journal: :Journal of animal science 1994
T G Jenkins C L Ferrell

The effect of varying dry matter availability on the conversion of dry matter resources to weight of calf at weaning was evaluated for nine breeds of cattle; Angus, Braunvieh, Charolais, Gelbvieh, Hereford, Limousin, Red Poll, Pinzgauer, and Simmental were recorded for 5 yr. Within each breed, four cows were assigned to each of four feeding levels of dry matter intake: 58, 76, 93, or 111 g of D...

Journal: :iranian journal of veterinary research 2014
e. a. el-shafaey t. aoki m. ishii k. yamada

a 3-year-old holstein-friesian cow was evaluated because of sudden onset of right hind limb lameness and pain with fetlock swelling for 2 days. based on the history, clinical index scores and computed radiographic examinations, the case was accurately diagnosed to be a severely comminuted fracture of the proximal phalanx. this cow was assigned for conservative treatment with external coaptation...

Journal: :Animal : an international journal of animal bioscience 2016
L S Knupp C M Veloso M I Marcondes T S Silveira A L Silva N O Souza S N R Knupp A Cannas

The aim of this study was to analyze the economic viability of producing dairy goat kids fed liquid diets in alternative of goat milk and slaughtered at two different ages. Forty-eight male newborn Saanen and Alpine kids were selected and allocated to four groups using a completely randomized factorial design: goat milk (GM), cow milk (CM), commercial milk replacer (CMR) and fermented cow colos...

Journal: :علوم دامی ایران 0
محمود وطن خواه دانشیار دانشگاه آزاد اسلامی، واحد شهرکرد مهراب فرجی کارشناس ارشد علوم دامی سازمان جهاد کشاورزی استان چهارمحال و بختیاری

four hundered and ninety five (495) smallholder dairy farms active in 52 villages of different cities in chaharmohalo bakhtiari province, keeping 1321 lactating within a total of 2811 mature cows (lactating and dry) were used. these herds were taken during winter 2009 to summer 2010 to assess some of the production, reproductive and economic performance traits under smallholder management syste...

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