نتایج جستجو برای: stocking

تعداد نتایج: 3536  

2011
G.vanN. du Toit H. A. Snyman

________________________________________________________________________________ Abstract Grazing levels and rotational schemes need to be tailored to each individual farm or pasture, and more studies are needed on the resilience of rangelands and on separating the effects of grazing and climate. The direct short-term impact of three rates of stocking (4, 8 and 16 Small Stock Units-SSU/ha) was ...

2010
A. J. Smart J. D. Derner J. R. Hendrickson R. L. Gillen B. H. Dunn E. M. Mousel P. S. Johnson R. N. Gates K. K. Sedivec K. R. Harmoney J. D. Volesky K. C. Olson

Comparisons of stocking rates across sites can be facilitated by calculating grazing pressure. We used peak standing crop and stocking rates from six studies in the North American Great Plains (Cheyenne, Wyoming; Cottonwood, South Dakota; Hays, Kansas; Nunn, Colorado; Streeter, North Dakota; and Woodward, Oklahoma) to calculate a grazing pressure index and develop relationships for harvest effi...

B. Mojazi Amiri, L.N. Kaladkova, M. Pourkazemi, M. Mohseni, M.R. Norooz Foshkhomi, R. Kazemi,

The effects of stocking density of eggs and larvae were studied related to the morphological deformities appearance, percentage of survival, and growth rate, in order to achieve the most suitable stocking density for eggs and larvae in incubators and rearing tanks. The egg stocking densities were 500, 700 and 900 g per incubator for great sturgeon, 500 and 1000g per incubator for Persian sturge...

Journal: :تولیدات دامی 0
محمد حسین پالیزدار استادیار، گروه علوم دامی، دانشکدۀ کشاورزی، دانشگاه آزاد اسلامی واحد چالوس، چالوس ـ ایران محمد رضا پورعلمی استادیار، گروه علوم دامی، دانشکدۀ کشاورزی، دانشگاه آزاد اسلامی واحد چالوس، چالوس ـ ایران حمیدرضا محمدیان تبریزی استادیار، گروه علوم دامی، دانشکدۀ کشاورزی، دانشگاه آزاد اسلامی واحد چالوس، چالوس ـ ایران زهرا سپهر کارشناس ارشد، گروه علوم دامی، دانشکدۀ کشاورزی، دانشگاه آزاد اسلامی واحد چالوس، چالوس ـ ایران

effect of globacid® acidifier in different stocking densities on performance and blood metabolites was examined using 576 one-day broiler chickens ross 308 in a completely randomized design with 6 treatments and four replications for each treatment through a (3 × 2) factorial arrangement with three levels of stocking densities (14, 16 and 18 chicks per square meter) and two levels of globacid® ...

2004
H. Lambrechts D. Swart S.W.P. Cloete J.P.C. Greyling S. J. van Schalkwyk

The study provides information on the reproductive performance of ostriches maintained at different stocking rates and male:female (M:F) ratios under intensive commercial conditions in the Little Karoo, South Africa. Breeding ostriches are concentrated on relatively small areas and through trampling have a most significant impact on the vegetation in the Little Karoo. Reproductive performance, ...

2005
Justin D. Derner Richard H. Hart

The efficiency of livestock production in shortgrass steppe may be increased by grazing fourwing saltbush (Atriplex canescens [Pursh] Nutt)-dominated rangeland in late fall and/or early spring, but there is a paucity of information concerning stocking rates and animal gains. The objective of this study was to compare the effects of light and moderate stocking rates on weight gains of heifers gr...

2010
S. G. K. Adiku G. H. Dunn L. R. Ahuja S. Gunter J. Bradford L. Garcia A. A. Andales

The effect of stocking rate on forage growth has attracted much research attention in forage science. Findings show that forage growth may be affected by stocking rate, and there is a consensus that high stocking rates lead to soil compaction, which could also in turn affect forage growth because of the changing soil hydrology and increased soil impedance to forage root penetration. In this stu...

Journal: :Manufacturing & Service Operations Management 2008
Anantaram Balakrishnan Michael S. Pangburn Euthemia Stavrulaki

In some retail contexts, higher inventories not only improve service levels, but also stimulate demand by serving as a promotional tool (e.g., by increasing product visibility). Motivated by a building-products retailer’s practice of stocking large quantities of products to stimulate demand, we study inventory management policies when demand is uncertain but increases with stocking quantity. Fo...

A. Klompanya S. Sangsoponjit W. Boontiam,

Two experiments were conducted to evaluate the effect of stocking density on growing-meat quail performance (experiment I) and the effect of dietary crude protein (CP) levels and stocking density on growth performance, nutrient retention, blood metabolites, and carcass weight of growing-meat quails under high ambient temperature (experiment II). Three hundred and eighty male growing-meat quails...

Chong , C.M., Christianus , A., Er , W.C.V., Muta Harah , Z.,

Low survival of newborn seahorses hindered studies on the early life stage. Many important aspects contributing to the survival of newborn seahorses remained unknown. More research on juvenile stage is necessary to optimize the culture protocols. Stocking density may or may not affect fish growth and behavior. Effect of stocking density on the growth and survival of seahorses in the early stage...

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