The Revista Brasileira de Zootecnia (RBZ) is a publication dedicated to the broad field of Animal Science. We publish high-quality, original scientific research that spans across diverse areas within the discipline. The scope of RBZ encompasses a wide range of topics, including aquaculture, biometeorology and animal welfare, forage crops and grasslands, animal and forage plants breeding and genetics, animal reproduction, ruminant and non-ruminant nutrition, meat science and muscle biology, precision livestock, and animal production systems and agribusiness.
The Revista Brasileira de Zootecnia (RBZ) is a publication dedicated to the broad field of Animal Science. We publish high-quality, original scientific research that spans across diverse areas within the discipline. The scope of RBZ encompasses a wide range of topics, including aquaculture, biometeorology and animal welfare, forage crops and grasslands, animal and forage plants breeding and genetics, animal reproduction, ruminant and non-ruminant nutrition, meat science and muscle biology, precision livestock, and animal production systems and agribusiness.
The Revista Brasileira de Zootecnia (RBZ) is a publication dedicated to the broad field of Animal Science. We publish high-quality, original scientific research that spans across diverse areas within the discipline. The scope of RBZ encompasses a wide range of topics, including aquaculture, biometeorology and animal welfare, forage crops and grasslands, animal and forage plants breeding and genetics, animal reproduction, ruminant and non-ruminant nutrition, meat science and muscle biology, precision livestock, and animal production systems and agribusiness.
The effect of nitrogen on the root system of the species Panicum maximum Jacq. cv. IPR-86 Milênio, under grazing, was evaluated. The N rates were 0; 150; 300 and 450 kg/ha.year. The root density was evaluated during pre-grazing at five years of successive N application, in three depths (0-10; 10-20 and 20-40 cm) and the root growth at 7, 14, 21, and 35 days after grazing. The grazing method adopted was rotational stocking. Root length and root mass densities in pre- and post- grazing presented maximum values at rates 204, 206, 192, and 197 kg/ha of N, respectively. The root growth (in root length density) increased, on average, until 29 days after grazing at rates 0, 150, and 300 kg/ha; at 450 kg/ha N rate, the increase was linear. Independently of N rates, around 60 and 25% of IPR-86 Milênio cultivar root system was concentrated in 0-10 and 10-20 cm depth, respectively.
Root system of Panicum maximum Jacq. cv. IPR-86 Milênio fertilized with nitrogen and submitted to rotational stocking
Sarmento,Patrícia and Rodrigues,Luís Roberto de Andrade and Lugão,Simony Marta Bernardo and Cruz,Mara Cristina Pessôa da and Campos,Fábio Prudêncio de and Ferreira,Manoel Evaristo and Oliveira,Ricardo Ferraz de. Root system of Panicum maximum Jacq. cv. IPR-86 Milênio fertilized with nitrogen and submitted to rotational stocking. R. Bras. Zootec. [online]. 2008, vol.37, 1, [cited 2026-10-11], pp.27-34. Available from: <https://rbz.org.br/article/root-system-of-panicum-maximum-jacq-cv-ipr-86-milenio-fertilized-with-nitrogen-and-submitted-to-rotational-stocking/>. ISSN 1516-3598. http://doi.org/10.1590/S1516-35982008000100004.
Sarmento,Patrícia; Rodrigues,Luís Roberto de Andrade; Lugão,Simony Marta Bernardo; Cruz,Mara Cristina Pessôa da; Campos,Fábio Prudêncio de; Ferreira,Manoel Evaristo; Oliveira,Ricardo Ferraz de. Root system of Panicum maximum Jacq. cv. IPR-86 Milênio fertilized with nitrogen and submitted to rotational stocking. R. Bras. Zootec., v.37, 1, p. 27-34. Jan. 2008. Available from: <https://rbz.org.br/article/root-system-of-panicum-maximum-jacq-cv-ipr-86-milenio-fertilized-with-nitrogen-and-submitted-to-rotational-stocking/>. acess on 11 Oct. 2026. http://doi.org/10.1590/S1516-35982008000100004.
Sarmento,Patrícia, & Rodrigues,Luís Roberto de Andrade, & Lugão,Simony Marta Bernardo, & Cruz,Mara Cristina Pessôa da, & Campos,Fábio Prudêncio de, & Ferreira,Manoel Evaristo, & Oliveira,Ricardo Ferraz de. (2008). Root system of Panicum maximum Jacq. cv. IPR-86 Milênio fertilized with nitrogen and submitted to rotational stocking. R. Bras. Zootec., 37(1) , 27-34. http://doi.org/10.1590/S1516-35982008000100004.
SarmentoPatrícia, RodriguesLuís Roberto de Andrade, LugãoSimony Marta Bernardo, CruzMara Cristina Pessôa da, CamposFábio Prudêncio de, FerreiraManoel Evaristo, OliveiraRicardo Ferraz de. Root system of Panicum maximum Jacq. cv. IPR-86 Milênio fertilized with nitrogen and submitted to rotational stocking. R. Bras. Zootec. [Internet]. 2008 Jan [cited 2026 Oct 11]; 37(1): 27-34. Available from: https://rbz.org.br/article/root-system-of-panicum-maximum-jacq-cv-ipr-86-milenio-fertilized-with-nitrogen-and-submitted-to-rotational-stocking/. http://doi.org/10.1590/S1516-35982008000100004.
Figure 9
Differential abundance of taxa between treatments for Fimenecus sp004556705 (A) and NSJ-53 sp014384795 (B) species on day 21 of lactation in 8 sows per treatment fed to one of three dietary treatments: 1) a diet containing xylanase (Control; valorization of 40 kcal of ME/kg diet, CD40), 2) CD40 + β-mannanase (0.3 g/kg, valorization of 45 kcal ME/kg diet, CD85), and 3) CD40 + β-mannanase (0.3 g/kg, valorization of 60 kcal ME/kg diet, CD100).
