Nitrogen recycling and feed efficiency of cattle fed protein-restricted diets

LFP Silva, RM Dixon, DFA Costa - Animal Production Science, 2019 - CSIRO Publishing
The ability of cattle to grow and reproduce when ingesting low-protein diets is a crucial
attribute for productive beef cattle systems in the seasonally dry tropics and subtropics …

Metabolism and utilisation of non-protein nitrogen compounds in ruminants: a review

D Zurak, K Kljak, J Aladrović - Journal of Central European Agriculture, 2023 - hrcak.srce.hr
Sažetak Unique stomach physiology allows ruminants to utilise any form of dietary nitrogen
(N) as a protein source. Ruminant N requirements can be divided into N requirements for …

Estimating digestible nutrients in diets for small ruminants fed with tropical forages

CH da Cruz, SA Santos, GGP de Carvalho… - Livestock Science, 2021 - Elsevier
Equations to estimate energetic content of small ruminants' diets from chemical composition,
in tropical conditions, are still not available. The main objective of this study was to develop …

Alternative forages as roughage for ruminant: Nutritional characteristics and digestibility of six exotic plants in Azores archipelago

HPB Nunes, S Teixeira, CSAM Maduro Dias… - Animals, 2022 - mdpi.com
Simple Summary The potential use of exotic plants in animal feed provides a source of fiber
for grazing ruminants when there is a shortage of pasture. The objective of this research was …

Urea supplementation in rumen and post-rumen for cattle fed a low-quality tropical forage

CVR de Oliveira, TE Silva, ED Batista… - British Journal of …, 2020 - cambridge.org
We evaluated the differences between the supplementation of urea in rumen and/or
abomasum on forage digestion, N metabolism and urea kinetics in cattle fed a low-quality …

[HTML][HTML] Does frequency of protein supplementation affect performance of cattle under grazing in tropical pastures?

LCO Sousa, MNN Palma, MO Franco… - Animal Feed Science and …, 2022 - Elsevier
Our objective was to evaluate the effects of protein supplementation frequency on
performance and voluntary intake of cattle under grazing in tropical pastures by using a …

Supplementation strategies affect the feed intake and performance of grazing replacement heifers

WS Machado, VLN Brandao, VCL Morais, E Detmann… - PloS one, 2019 - journals.plos.org
The literature lacks studies investigating the performance of supplemented replacement
heifers grazing on intensively managed warm-season pasture. Our objective was to …

Strategies of energy supplementation for cattle fed tropical forage and infrequently supplemented with protein

MNN Palma, WLS Reis, JPP Rodrigues… - Animal Feed Science …, 2023 - Elsevier
Our objective was to evaluate the effects of different energy supplementation strategies in
Nellore heifers fed tropical grass forage and infrequently supplemented with nitrogen (N) …

Nutritional planning for Nellore heifers post-weaning to conception at 15 months of age: performance and nutritional, metabolic, and reproductive responses

DM de Almeida, MI Marcondes, LN Rennó… - Tropical animal health …, 2019 - Springer
The objective of this study was to evaluate the effects of strategic supplementation in the dry
period and dry/rainy transition period on the performance and nutritional, metabolic, and …

Metabolic responses and performance of Holstein × Gyr heifers grazing Brachiaria decumbens supplemented with varied crude protein levels

MMD Castro, TJ DeVries, AF Machado, MM Ferreira… - Plos one, 2023 - journals.plos.org
We aimed to evaluate the effect of supplemental CP on the nutritional characteristics and
performance of Holstein× Gyr crossbreed heifers grazing intensively-managed Brachiaria …