| |
|
|
|
Registro Completo |
|
Biblioteca(s): |
Embrapa Acre. |
|
Data corrente: |
17/04/2006 |
|
Data da última atualização: |
28/07/2021 |
|
Tipo da produção científica: |
Artigo em Periódico Indexado |
|
Autoria: |
ANDRADE, C. M. S. de; GARCIA, R.; VALENTIM, J. F.; PEREIRA, O. G. |
|
Afiliação: |
CARLOS MAURICIO SOARES DE ANDRADE, CPAF-AC; Rasmo Garcia, UFV; JUDSON FERREIRA VALENTIM, CPAF-AC; Odilon Gomes Pereira, UFV. |
|
Título: |
Grazing management strategies for massaigrass-forage peanut pastures. 3. Definition of sward targets and carrying capacity. |
|
Ano de publicação: |
2006 |
|
Fonte/Imprenta: |
Revista Brasileira de Zootecnia, Viçosa, MG, v. 35, n. 2, p. 334-342, 2006. |
|
ISSN: |
1806-9290 (online) |
|
DOI: |
0.1590/S1516-35982006000200004. |
|
Idioma: |
Inglês |
|
Conteúdo: |
This study was carried out to define sward management targets for mixed Massaigrass (Panicum maximum x P. infestum, cv. Massai) and forage peanut (Arachis pintoi Ac 01) pastures in the Western Brazilian Amazon. Seasonal variation in the pasture carrying capacity was also analyzed. Pastures were intermittently stocked at three daily herbage allowance levels (9.0, 14.5 and 18.4% of live weight) from October 2002 to December 2003. Sward targets were defined in terms of the sward condition that best conciliated the grass-legume balance, the maintenance of the structure of Massaigrass tussocks and the equilibrium between forage production and utilization. For the Western Brazilian Amazon conditions, the following sward management targets can be recommended for mixed Massaigrass and forage peanut pastures under intermittent stocking: pregrazing height ranging from 50-55 cm (June to September) to 65-70 cm (October to May), and post-grazing height from 30- 35 cm (June to September) to 35-40 cm (October to May). Annual carrying capacity of this mixed pasture in 2003 was 2.7 AU/ha. The average carrying capacity during the dry season (1.8 AU/ha) was 50% lower than that observed during the rainy season (3.6 AU/ha). |
|
Palavras-Chave: |
Amazonia occidental; Amazônia Ocidental; Amendoim forrageiro; Capacidad de carga; Capim massai; Estrutura do pasto; Forage peanut; Híbridos; Leguminosas forrajeras; Mixed massaigrass; Panicum maximum x P infestum cv Massai; Pastoreo de rotación; Pastoreo mixto; Protección herbácea; Sward structure; Western amazon. |
|
Thesagro: |
Híbrido; Leguminosa forrageira; Pastagem consorciada; Pastejo rotativo. |
|
Thesaurus Nal: |
Arachis pintoi; Carrying capacity; Forage legumes; Hybrids; Mixed grazing; Rotational grazing; Sward. |
|
Categoria do assunto: |
A Sistemas de Cultivo |
|
URL: |
https://www.alice.cnptia.embrapa.br/alice/bitstream/doc/504052/1/12927.pdf
|
|
Marc: |
LEADER 02754naa a2200505 a 4500
001 1504052
005 2021-07-28
008 2006 bl uuuu u00u1 u #d
022 $a1806-9290 (online)
024 7 $a0.1590/S1516-35982006000200004.$2DOI
100 1 $aANDRADE, C. M. S. de
245 $aGrazing management strategies for massaigrass-forage peanut pastures. 3. Definition of sward targets and carrying capacity.$h[electronic resource]
260 $c2006
520 $aThis study was carried out to define sward management targets for mixed Massaigrass (Panicum maximum x P. infestum, cv. Massai) and forage peanut (Arachis pintoi Ac 01) pastures in the Western Brazilian Amazon. Seasonal variation in the pasture carrying capacity was also analyzed. Pastures were intermittently stocked at three daily herbage allowance levels (9.0, 14.5 and 18.4% of live weight) from October 2002 to December 2003. Sward targets were defined in terms of the sward condition that best conciliated the grass-legume balance, the maintenance of the structure of Massaigrass tussocks and the equilibrium between forage production and utilization. For the Western Brazilian Amazon conditions, the following sward management targets can be recommended for mixed Massaigrass and forage peanut pastures under intermittent stocking: pregrazing height ranging from 50-55 cm (June to September) to 65-70 cm (October to May), and post-grazing height from 30- 35 cm (June to September) to 35-40 cm (October to May). Annual carrying capacity of this mixed pasture in 2003 was 2.7 AU/ha. The average carrying capacity during the dry season (1.8 AU/ha) was 50% lower than that observed during the rainy season (3.6 AU/ha).
650 $aArachis pintoi
650 $aCarrying capacity
650 $aForage legumes
650 $aHybrids
650 $aMixed grazing
650 $aRotational grazing
650 $aSward
650 $aHíbrido
650 $aLeguminosa forrageira
650 $aPastagem consorciada
650 $aPastejo rotativo
653 $aAmazonia occidental
653 $aAmazônia Ocidental
653 $aAmendoim forrageiro
653 $aCapacidad de carga
653 $aCapim massai
653 $aEstrutura do pasto
653 $aForage peanut
653 $aHíbridos
653 $aLeguminosas forrajeras
653 $aMixed massaigrass
653 $aPanicum maximum x P infestum cv Massai
653 $aPastoreo de rotación
653 $aPastoreo mixto
653 $aProtección herbácea
653 $aSward structure
653 $aWestern amazon
700 1 $aGARCIA, R.
700 1 $aVALENTIM, J. F.
700 1 $aPEREIRA, O. G.
773 $tRevista Brasileira de Zootecnia, Viçosa, MG$gv. 35, n. 2, p. 334-342, 2006.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Acre (CPAF-AC) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
|
|
|
 | Acesso ao texto completo restrito à biblioteca da Embrapa Meio Ambiente. Para informações adicionais entre em contato com cnpma.biblioteca@embrapa.br. |
Registro Completo
|
Biblioteca(s): |
Embrapa Meio Ambiente. |
|
Data corrente: |
01/10/2021 |
|
Data da última atualização: |
01/10/2021 |
|
Tipo da produção científica: |
Artigo em Periódico Indexado |
|
Circulação/Nível: |
A - 1 |
|
Autoria: |
BARRETO, L. P.; RIBEIRO-SILVA, C. de S.; MACHADO, L. D. de C.; LIMA, V. H.; PINTO, S. M. N.; PEREIRA-JUNIOR, R. A.; CARREIRA, D. N.; MASCARIN, G. M.; FERNANDES, E. K. K.; BORGES, L. M. F. |
|
Afiliação: |
LUCAS PRADO BARRETO, UFG; CÁRITA DE SOUZA RIBEIRO-SILVA, UFG; LUCAS DAMIÃO DE C MACHADO, UFG; VALESCA HENRIQUE LIMA, UFG; SALORRANE MIRANDA DO NASCIMENTO PINTO, UFG; RONALDO ALVES PEREIRA JUNIOR, UFG; DHIOGO NERES CARREIRA, UFG; GABRIEL MOURA MASCARIN, CNPMA; ÉVERTON KORT KAMP FERNANDES, UFG; L[IGIA MIRANDA FERREIRA BORGES, UFG. |
|
Título: |
Efficacy of collars with allomones on dogs to control Rhipicephalus sanguineus sensu lato infestations under field conditions. |
|
Ano de publicação: |
2021 |
|
Fonte/Imprenta: |
Ticks and Tick-borne Diseases, v. 12, n. 5, Article 101769, 2021. |
|
Páginas: |
p. 1-5. |
|
DOI: |
https://doi.org/10.1016/j.ttbdis.2021.101769 |
|
Idioma: |
Inglês |
|
Conteúdo: |
Abstract: Benzaldehyde and 2-hexanone are allomones produced by beagle dogs that reduce infestation by Rhipicephalus sanguineus sensu lato on these animals and on susceptible dogs which artificially release these repellents. These observations were obtained in previous laboratory tests or artificial infestations of susceptible dogs under controlled conditions. Here we evaluated the efficacy of collars delivering these repellents for suppressing the loads of R. sanguineus s.l. on naturally infested mixed-breed dogs under field conditions. Thirty dogs naturally infested with R. sanguineus s.l. were separated into two groups with 15 dogs each. The dogs from the treatment group received the collars with slow-release formulations of the allomones, and the dogs from the control group received collars without such compounds. Collar effectiveness tests were carried out over 30 days. All ticks found were removed from each dog, identified, and counted every collection day. The density of the different life stages of R. sanguineus s.l. varied greatly between groups and across evaluation times. Adult ticks were the stage most abundant and prevalent on infested dogs. The counts for larvae, nymphs and adults were similar between the control and the treatment groups within each tick collection day. Conversely, when we considered the total number of ticks over 30 days and gathered all life stages collected in the same animal, the dogs from the control group had significantly higher loads (35.3 ± 4.27) of ticks than the dogs from the treatment group (21.8 ± 2.96) (P < 0.01). In addition, the efficacy of treatment with repellent collars was high for adult ticks (30.8%) but was extremely low for reducing larval or nymphal infestation (0 or 2.6%, respectively). The present study demonstrates, for the first time, the efficacy of these volatile compounds on naturally infested dogs under field conditions. The development of a technologically enhanced device for slow release of the allomones tested here can be an advantageous alternative for reducing R. sanguineus s.l. infestation on dogs in residential environments. MenosAbstract: Benzaldehyde and 2-hexanone are allomones produced by beagle dogs that reduce infestation by Rhipicephalus sanguineus sensu lato on these animals and on susceptible dogs which artificially release these repellents. These observations were obtained in previous laboratory tests or artificial infestations of susceptible dogs under controlled conditions. Here we evaluated the efficacy of collars delivering these repellents for suppressing the loads of R. sanguineus s.l. on naturally infested mixed-breed dogs under field conditions. Thirty dogs naturally infested with R. sanguineus s.l. were separated into two groups with 15 dogs each. The dogs from the treatment group received the collars with slow-release formulations of the allomones, and the dogs from the control group received collars without such compounds. Collar effectiveness tests were carried out over 30 days. All ticks found were removed from each dog, identified, and counted every collection day. The density of the different life stages of R. sanguineus s.l. varied greatly between groups and across evaluation times. Adult ticks were the stage most abundant and prevalent on infested dogs. The counts for larvae, nymphs and adults were similar between the control and the treatment groups within each tick collection day. Conversely, when we considered the total number of ticks over 30 days and gathered all life stages collected in the same animal, the dogs from the control group had significantly higher loads (3... Mostrar Tudo |
|
Palavras-Chave: |
2-hexanone; Formulation; Repellency. |
|
Thesagro: |
Cão; Carrapato; Repelente. |
|
Thesaurus NAL: |
Benzaldehyde; Repellents; Tick control. |
|
Categoria do assunto: |
H Saúde e Patologia |
|
Marc: |
LEADER 03211naa a2200361 a 4500
001 2134984
005 2021-10-01
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.ttbdis.2021.101769$2DOI
100 1 $aBARRETO, L. P.
245 $aEfficacy of collars with allomones on dogs to control Rhipicephalus sanguineus sensu lato infestations under field conditions.$h[electronic resource]
260 $c2021
300 $ap. 1-5.
520 $aAbstract: Benzaldehyde and 2-hexanone are allomones produced by beagle dogs that reduce infestation by Rhipicephalus sanguineus sensu lato on these animals and on susceptible dogs which artificially release these repellents. These observations were obtained in previous laboratory tests or artificial infestations of susceptible dogs under controlled conditions. Here we evaluated the efficacy of collars delivering these repellents for suppressing the loads of R. sanguineus s.l. on naturally infested mixed-breed dogs under field conditions. Thirty dogs naturally infested with R. sanguineus s.l. were separated into two groups with 15 dogs each. The dogs from the treatment group received the collars with slow-release formulations of the allomones, and the dogs from the control group received collars without such compounds. Collar effectiveness tests were carried out over 30 days. All ticks found were removed from each dog, identified, and counted every collection day. The density of the different life stages of R. sanguineus s.l. varied greatly between groups and across evaluation times. Adult ticks were the stage most abundant and prevalent on infested dogs. The counts for larvae, nymphs and adults were similar between the control and the treatment groups within each tick collection day. Conversely, when we considered the total number of ticks over 30 days and gathered all life stages collected in the same animal, the dogs from the control group had significantly higher loads (35.3 ± 4.27) of ticks than the dogs from the treatment group (21.8 ± 2.96) (P < 0.01). In addition, the efficacy of treatment with repellent collars was high for adult ticks (30.8%) but was extremely low for reducing larval or nymphal infestation (0 or 2.6%, respectively). The present study demonstrates, for the first time, the efficacy of these volatile compounds on naturally infested dogs under field conditions. The development of a technologically enhanced device for slow release of the allomones tested here can be an advantageous alternative for reducing R. sanguineus s.l. infestation on dogs in residential environments.
650 $aBenzaldehyde
650 $aRepellents
650 $aTick control
650 $aCão
650 $aCarrapato
650 $aRepelente
653 $a2-hexanone
653 $aFormulation
653 $aRepellency
700 1 $aRIBEIRO-SILVA, C. de S.
700 1 $aMACHADO, L. D. de C.
700 1 $aLIMA, V. H.
700 1 $aPINTO, S. M. N.
700 1 $aPEREIRA-JUNIOR, R. A.
700 1 $aCARREIRA, D. N.
700 1 $aMASCARIN, G. M.
700 1 $aFERNANDES, E. K. K.
700 1 $aBORGES, L. M. F.
773 $tTicks and Tick-borne Diseases$gv. 12, n. 5, Article 101769, 2021.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Meio Ambiente (CNPMA) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
| Nenhum registro encontrado para a expressão de busca informada. |
|
|
