D.) 242–247 (University of Idaho and the International Association of Wildland Fire, Moscow, Idaho, 2000) and Workshop: Crossing the Millennium: Integrating Spatial Technologies and Ecological Principles for a New Age in Fire Management (eds Neuenschwander, L. The amount of carbon released from peat and forest fires in Indonesia during 1997. Effects of ground fires on understorey bird assemblages in Amazonian forests. Terrestrial wildlife responses to logging and fire in a Bolivian tropical humid forest. Effects of logging, drought, and fire on structure and composition of tropical forests in Sabah, Malaysia. Characteristics of dry forest in West Africa and the influence of fire. Positive feedbacks in the fire dynamic of closed canopy tropical forests. Fire in the tropical gallery forests of Belize. Ecological effects of wildfire on lowland rainforest in Sumatra. The ecological consequences of logging in the burned forests of East Kalimantan, Indonesia. Effects of fire and selective logging on the tree species composition of lowland dipterocarp forest in East Kalimantan, Indonesia. Degradation of forests through logging and fire in the eastern Brazilian Amazon. Fire as a recurrent event in tropical forests of the eastern Amazon: effects on forest structure, biomass, and species composition. Incendios na Amazonia Brasileira: estimative da emissão de gases do efeito estufa pela queima de diferentes ecossistemas de Roraima na passagem do evento Ël Niño (1997/98). United Nations Environment Programme GEO Latin America and the Caribbean: Environment Outlook 2000 (UNEP, Mexico City, 2000)īarbosa, R. & Jessup, T.) 88–112 (International Development Research Centre, Ottawa, 1999) in Indonesia's Fire and Haze: the Cost of Catastrophe (eds Glover, D. Spreading Like Wildfire-Tropical Forest Fires in Latin America and the Caribbean: Prevention, Assessment and Early Warning (United Nations Environment Programme (UNEP), Mexico City, 2002) available at
Capas tropico 1 trial#
Trial by Fire: Forest Fire and Forestry Policy in Indonesia's Era of Crisis and Reform (World Resources Institute, Washington DC, 2000)Ĭochrane, M. Keywords Pen finishing, tropical livestock systems, selenium.Barber, C.
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Neither of the two sources of selenium improves DWG, DMC, and FC of lambs fattened in pens in the agropastoral system. Findings/Conclusions: In the agropastoral system, Pelibuey and Black Belly females present adequate prolificacy averages and BW however, it is very important that they remain within BC 3. The weight of the lambs at the start of fattening determines their performance during fattening. Study Limitations/Implications: In the agropastoral system, the BC of ewes limits their reproductive performance. The DWG, DMC and FC behaved similarly (P0.05) between treatments and their general averages were 0.114 kg, 0.679 kg, and 6.18, respectively.
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The BW was affected (P0.05) by genotype Black Belly lambs weighed 680 g (P0.05) more that Pelibuey lambs. The lowest averages (P0.05) were detected in ewes with BC 4 irrespective of number of births. Results: The Pelibuey ewes with one and two births and the Black Belly ewes with one birth demonstrated the highest averages in prolificacy (P0.05).
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The dependent variables were daily weight gain (DWG), dry material consumption (DMC), and feed conversion (FC). They were distributed in a CRD with three treatments: T1, without selenium provided T2, with barium selenate provided T3, with selenomethionine provided. The second experiment studied 23 lambs of 4 months in age that were offspring of the females in experiment 1. The measured variables were prolificacy and BW. Two experiments were conducted the first studied 58 ewes distributed in a completely randomized design (CRD) with factorial arrangement of 2*2*3, and focused on the following fixed effects genotype, number of births, and body condition (BC). Design/Methodology/Approach: The study was carried out in an agropastoral system (coconut palm and Cynodon dactylon grass) in Rio Grande, Oaxaca. Abstract : Objective: To determine the prolificacy and weight of lambs at birth (BW) in two genotypes of hair sheep within an agropastoral system on the coast of Oaxaca, Mexico, and to evaluate the effect of two sources of selenium on the performance of lambs from said system during the fattening phase.