NDLI: Intake, nutrient digestibility and nitrogen balance in lactating dairy cows fed diets containing sunflower cake

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Intake, nutrient digestibility and nitrogen balance in lactating dairy cows fed diets containing sunflower cake

Content Provider	Semantic Scholar
Author	Pereira, Elzânia Sales Pimentel, Patrícia Guimarães Moreno, Greicy Mitzi Bezerra Mizubuti, Ivone Yurika Ribeiro, Edson Oliveira, Sônia Maria Pinheiro De Pinto, Andréa Pereira Aquino, Rebeca Magda Da Silva
Copyright Year	2012
Abstract	O objetivo deste estudo foi avaliar o efeito de diferentes niveis de inclusao de torta de girassol (TG) na dieta de vacas em lactacao sobre o consumo de materia seca (MS), digestibilidade aparente dos nutrientes da dieta e balanco de nitrogenio. Oito vacas Girolanda com producao diaria de leite de 20 ± 2 kg/dia foram distribuidas em delineamento em quadrado latino duplo 4x4, em que foram testados os efeitos de quatro niveis de inclusao da TG (0, 7, 14 e 21% MS). Foi utilizado o feno de Tifton-85 ( Cynodon dactylon ) como volumoso em uma relacao volumoso:concentrado de 60:40. A inclusao de TG nao afetou o consumo (kg/dia) de MS, proteina bruta, materia orgânica (OM) e carboidratos totais (CT). Entretanto, foi observado efeito quadratico (P < 0,05) no consumo (kg/dia) de fibra em detergente neutro e carboidratos nao-fibrosos (CNF). Nao houve efeito da inclusao de TG na digestibilidade de MO, CT e CNF, assim como para o balanco de nitrogenio. Foi observado efeito linear para o nitrogenio endogeno basal (g/dia). A torta de girassol pode ser recomendada como um ingrediente de racoes para vacas em lactacao.
Starting Page	2461
Ending Page	2470
Page Count	10
File Format	PDF HTM / HTML
DOI	10.5433/1679-0359.2012v33n6p2461
Volume Number	33
Alternate Webpage(s)	http://www.uel.br/revistas/uel/index.php/semagrarias/article/download/11023/11708
Alternate Webpage(s)	https://doi.org/10.5433/1679-0359.2012v33n6p2461
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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