Results 61 to 70 of about 2,075 (191)

Effects of post-grazing forage mass on a beef cattle grazing system on Tanzânia grass pastures

open access: yesRevista Brasileira de Zootecnia, 2014
The objective of this study was to evaluate the effect of grazing intensity on herbage accumulation, animal performance, and total system yield on irrigated Tanzania grass pastures under rotational stocking. The experiment was conducted from October 1999
Marco Antonio Penati   +5 more
doaj   +1 more source

Modelling the influence of rainfall variability and different grazing systems on the spatiotemporal dynamics and productivity of semiarid rangeland

open access: yes, 2010
Includes abstract.Includes bibliographical references (leaves 153-169).This study pursued a two-fold objective: firstly, to broaden our knowledge about the rainfall-plant-animal system dynamics; and secondly, to re-examine the rotational grazing system ...
Kazembe, John Abdul-Aziz
core  

O efeito de altas cargas instantâneas em pastoreio racional voisin no comportamento de pastoreio, pastagem e solo e da massagem no úbere ao final da ordenha na incidência de mastite [PDF]

open access: yes, 2002
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias. Programa de Pós-Graduação em AgroecossistemasEste trabalho teve duas hipóteses: 1º - há efeito de diferentes cargas animais instantâneas de vacas leiteiras em ...
Silveira, Marcela Cristina Agustini Carneiro
core  

forage systems mixed with forage legumes grazed by lactating cows

open access: yesActa Scientiarum: Animal Sciences, 2017
Current research evaluates productivity, stocking and nutritional rates of three forage systems with Elephant Grass (EG) + Italian Ryegrass (IR) + Spontaneous Growth Species (SGS), without forage legumes; EG + IR + SGS + Forage Peanut (FP), mixed with FP;
Clair Jorge Olivo   +5 more
doaj   +1 more source

A Coarse-To-Fine Approach to the Railway Rolling Stock Rotation Problem.

open access: yes, 2014
We propose a new coarse-to-fine approach to solve certain linear programs by column generation. The problems that we address contain layers corresponding to different levels of detail, i.e., coarse layers as well as fine layers. These layers are utilized to design efficient pricing rules.
Borndörfer, Ralf   +2 more
openaire   +3 more sources

Cattle measurements across years (2014 to 2016) and stocking treatments.

open access: yes, 2019
CONT, MOB and ROT labels refer to continuous, mob and rotational stocking treatments, respectively. SE is 1 standard error.
Benjamin F. Tracy (8120273)   +1 more
core   +1 more source

Amendoim forrageiro manejado com baixos resíduos de pastejo por ovinos

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia
RESUMO O objetivo do trabalho foi estudar o comportamento produtivo do amendoim forrageiro (Arachis pintoi cv. Amarillo) sob diferentes intensidades de pastejo por ovinos em ambiente rotativo.
L.A.G. Alonzo   +5 more
doaj   +1 more source

Dinâmica de perfilhamento e fluxo de biomassa em capim-cameroon sob lotação rotativa Tillering dynamics and tissue turnover in elephantgrass cv. Cameroon pasture under rotational stocking

open access: yesRevista Brasileira de Zootecnia, 2008
A dinâmica de perfilhamento e o fluxo de tecidos foram estudados em pastagens de Pennisetum purpureum cv. Cameroon mantidas com diferentes taxas de lotação em pastejo rotacionado.
Cláudia de Paula Rezende   +6 more
doaj   +1 more source

Effects of nitrogen fertilization and seasons on the morphogenetic and structural characteristics of Piatã (Brachiaria brizantha) grass

open access: yesRevista de la Facultad de Ciencias Agrarias, 2019
The objective of this study was to evaluate the morphogenetic and structural characteristics of Piatã grass under rotational stocking and nitrogen fertilization during the seasons.
Lorraine do Nascimento Farias   +7 more
doaj  

Effects of rotational fishing on enhancement of fish stocks in mountain streams

open access: yesNIPPON SUISAN GAKKAISHI, 2010
渓流魚の資源増殖に対する輪番禁漁の効果を評価するため,輪番禁漁が導入された 2 カ所の河川区間において渓流魚の個体数変化を調査した。GLMM によって禁漁と個体数の関係を評価した結果,一方の区間においては 2 年間および 3 年間の禁漁でイワナとヤマメの遊漁対象サイズの個体数増加が認められたが,他の区間における 2 年間の禁漁ではイワナの個体数増加は認められなかった。全長 150 mm 以下のサイズでは,両区間,両種ともに禁漁の効果は認められなかった。輪番禁漁は河川や魚のサイズによって効果が異なることが明らかになった。
KUBOTA, HITOSHI   +2 more
openaire   +2 more sources

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