Data/hora: 03/06/2024 08:45:03

Biblioteca(s): 	Epagri-Sede.	
Tipo da produção científica: 	Resumo em Anais de Congresso	
Data corrente: 	15/09/2016	
Data da última atualização: 	15/09/2016	
Autoria: 	GARAGORRY, F.; PINTO, C. E.; COSTA JÚNIOR, N. B.; BALDISSERA, T. C.; FAVARO, V. R.	
Título: 	Nutritive value of natural grassland, improved natural grassland, and cultivated pasture in six locations in highlands of Santa Catarina State.	
Ano de publicação: 	2016	
Fonte/Imprenta: 	In: REUNIÃO ANUAL SOCIEDADE BRASILEIRA DE ZOOTECNIA, 53., 2016, Gramado, RS. Produção animal para as futuras gerações. Porto Alegre, RS: SBZ, 2016.	
Idioma: 	Inglês	
Conteúdo: 	Evaluation of nutritional value of different pastures and in different regions is essential to
forecast management strategies to compose the diet of grazing animals. Thus, it is possible to
adjust diets that optimize performance and reduce production costs. This study aimed to evaluete
crude protein (CP) and total digestible nutrients (TDN) of natural grassland (NG), improved
natural grassland (ING), and winter cultivated pasture (WCP) in six sites representing the Santa
Catarina highlands. These data will be used to assist in pasture management recommendations
for technical and local producers. In the fall of 2012, fifteen observation units were installed on
private properties in areas ranging from 1.5 to 10 ha. The municipalities are São José do Cerrito
(SJC), Capão Alto (CA), Lages (L) Painel (PA), Bom Jardim da Serra (BJS) and São Joaquim
(SJ), in order to represent the climate and the soil of the different regions of the Santa Catarina
highlands. Observations were carried out on NG and ING in L, PA, and BJS. The municipalities
of SJC, CA and SJ have added WCP. The evaluation period was from January 2014 to February
2015. The correction of soil fertility was based on soil analysis of ING and WCP. The species
introduced were: rye (Secale cereale) oat (Avena sativa), annual ryegrass (Lolium multiflorum
Lam), white clover (Trifolium repens), red clover (Trifolium pratense), dactyl (Dactylis
glomerata) meadow soft grass (Holcus lanatus) and birdsfoot trefoil (Lotus corniculatus).
Samples were collected by hand-plucking in four seasons throughout the year. Posteriorly the
samples were sent to laboratory for analyze CP and TDN, using AOAC and Van Soest protocols.
Average levels of CP and TDN for NP in the spring and summer were 9.0 and 43.7%,
respectively. These values attend the nutritional requirements for low to moderate gains of beef
cattle. ING is a good option to fill nutritional deficiency NP mainly in fall and winter period in
L, CA, PA and SJC, which were observed on average 15.7% CP and 50.1% TDN. In SJ and BJS
where edaphoclimatic conditions are more restrictive to pasture growth and animal production,
CP and TDN for CN were 5.3 and 26.4% in the fall and winter. In these locations ING presented
values of 10.65% CP and 38.9% TDN and therefore can be recommended along with energy
supplementation. The most appropriate in this time of year would be WCP which were observed
CP content of 20% and 64.7% TDN.	
Palavras-Chave: 	cool season species; crude protein; overseed; pasture quality; total digestible nutrients.	
Categoria do assunto: 	L Ciência Animal e Produtos de Origem Animal	
URL: 	http://intranetdoc.epagri.sc.gov.br/producao_tecnico_cientifica/DOC_38271.pdf	
Registro original: 	Epagri-Sede (Epagri-Sede)	
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