نتایج جستجو برای: acorn

تعداد نتایج: 1128  

Journal: Poultry Science Journal 2016
Houshmand M Sinaei Kh

The effects of raw and sodium hydrogen carbonate-treated oak acorn were evaluated on broiler chicken performance and cecal flora. A total of 340 one-day-old broiler chicks were used in a completely randomized design with five experimental treatments and four replicates with 17 birds each. A corn-based diet served as the control and four treatment groups were diets containing 20 or 25% raw or tr...

M. Pourhashemi M. Zandebasiri P. Panahi

Acorn production plays a fundamental role in the organization and dynamics of oak forest ecosystems. Regarding acorn importance, visual survey methods have been used to estimate acorn production of oak species throughout the world. In this study, the mast indices of Brant`s oak (Quercus brantii Lindl.) were determined in a section of northern Zagros forests, almost 36 ha area, near Baneh, Kurdi...

2006
G. Gea-Izquierdo I. Cañellas G. Montero

We present a review on the state-of-the-art of fruit prodution in Western Iberia woodlands («dehesas»), and particularly in Q. ilex (holm oak) «dehesas». This threatened ecosystem is of very high ecological and economical importance. Quercus sp. fruits (acorns) are essential for wildlife, and for pig fattening in «dehesas». In the first part of this review we briefly describe the phenology of t...

2000
Hui Yu Ali A. Ghorbani Virendrakumar C. Bhavsar Stephen Marsh

The ACORN provides an agent based architecture for infor mation retrieval and provision across networks The main objective of this paper is to present the design and implementation of information sharing in a community of mobile agents in ACORN based on keyphrase sharing and comparison among agents In keyphrase based information sharing keyphrases and their weights are used to represent user in...

2009

The effects of increased anthropogenic inputs of reactive nitrogen (N) have been studied at the Harvard Forest Chronic N Experiment, where NH4NO3 has been applied experimentally since 1988 to increase atmospheric deposition rates 6and 18-fold above ambient. This paper asks whether conditions favorable to primary production also resulted in plastic increases to flower, fruit, and seedling traits...

2008
Walter D. Koenig Jay P. McEntee Eric L. Walters

Questions: (1) How does the effort that birds invest in harvesting acorns, including the distance the acorns are moved – a key factor affecting population structure of the trees – covary with the size of the acorn crop? (2) How well are harvest patterns, previously inferred by indirect, genetic methods, matched by data from direct observations of harvesting? Organisms: The acorn woodpecker (Mel...

Journal: :IACR Cryptology ePrint Archive 2017
Xiaojuan Zhang Xiutao Feng Dongdai Lin

Fault attack is one of the most efficient side channel attacks and has attracted much attention in recent public cryptographic literatures. In this work we introduce a fault attack on the authenticated cipher ACORN v3. Our attack is done under the assumption that a fault is injected into an initial state of ACORN v3 randomly, and contains two main steps: fault locating and equation solving. At ...

2009
Walter D. Koenig Johannes M.H. Knops William J. Carmen

We examined the importance of pollen limitation to variation in acorn production of three species of California oaks (Quercus lobata, Q. douglasii, and Q. agrifolia) by testing for relationships between phenology and acorn production. Within years, trees flowering closer to the mean flowering date of the population produced significantly more acorns in two of the species. Assuming that more pol...

Journal: :The American naturalist 2009
Walter D Koenig Johannes M H Knops William J Carmen Richard D Sage

We examined the relationship between acorn mass and number in valley oaks (Quercus lobata) over 4 years in central coastal California. Despite considerable variation in acorn size among both trees and years, trees produced acorns of the same size relative to other trees in different years. Across years, the relationship between acorn mass and acorn crop size was generally positive, even after c...

Journal: Poultry Science Journal 2016

This study was conducted to determine the effect of oak acorn (Quercus castaneifolia) on performance, small intestine morphology, ileal digestibility of nutrient, carcass and some blood parameters in broiler chicks. A total of fifty hundred four one-d old male chickens (Ross308 strain) with seven treatments and four replicates in each treatment were used. Experimental diets were: control (corn-...

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