Challenges with fats and fatty acid methods

DL Palmquist, TC Jenkins - Journal of animal science, 2003 - academic.oup.com
The content and chemical nature of lipids in feedstuffs is heterogeneous. It has long been
known that ether extraction by the Weende procedure inadequately characterizes the fat …

Estimating the available energy content of feeds for dairy cattle

WP Weiss - Journal of Dairy Science, 1998 - Elsevier
The available energy content of feeds must be known before diets can be formulated, but the
difficulty in measuring energy availability requires that estimated values be used. Based on …

The Cornell Net Carbohydrate and Protein System model for evaluating herd nutrition and nutrient excretion

DG Fox, LO Tedeschi, TP Tylutki, JB Russell… - Animal Feed Science …, 2004 - Elsevier
The Cornell Net Carbohydrate and Protein System (CNCPS) is a mathematical model that
estimates cattle requirements and nutrient supply based on animal, environmental, and feed …

Estimativas do valor energético a partir de características químicas e bromatológicas dos alimentos

ER Cappelle, SC Valadares Filho, JFC Silva… - Revista Brasileira de …, 2001 - SciELO Brasil
Devido à importância do valor nutritivo e à impossibilidade de se medir a energia disponível
dos alimentos por intermédio de análises laboratoriais simples, realizou-se este trabalho …

Effects of nitrogen fertilization on protein and carbohydrate fractions of Marandu palisadegrass

RG Leite, AS Cardoso, NVB Fonseca, MLC Silva… - Scientific Reports, 2021 - nature.com
The effects of nitrogen (N) fertilization levels on protein and carbohydrate fractions in
Marandu palisadegrass pasture [Urochloa brizantha (Hochst. ex A. Rich.) RD Webster] were …

Estimation of digestibility of forages by laboratory methods

WP Weiss - Forage quality, evaluation, and utilization, 1994 - Wiley Online Library
This chapter discusses different methods of estimating digestibility of forages; and aims to
compare results from various methods of estimating digestibility. In vitro dry matter …

[HTML][HTML] Chemical and physical characteristics of corn silages and their effects on in vitro disappearance

G Ferreira, DR Mertens - Journal of dairy science, 2005 - Elsevier
Estimating the available energy in corn silage provides a unique challenge because the
silage contains variable proportions of grain and stover, each of which can differ in …

[HTML][HTML] Dry and moist heating-induced changes in protein molecular structure, protein subfraction, and nutrient profiles in soybeans

P Yu - Journal of dairy science, 2011 - Elsevier
Heat processing has been used to improve protein utilization and availability of animal
nutrition. However, to date, few studies exist on heat-induced protein molecular structure …

Comparison of methods used to predict the in vivo digestibility of feeds in ruminants

S Kitessa, GG Irish, PC Flinn - Australian Journal of Agricultural …, 1999 - CSIRO Publishing
Digestibility is a very useful index of the energy content of ruminant feeds, but cheaper and
quicker laboratory methods are required as an alternative to the ultimate measure of in vivo …

Essential oils for dairy calves: effects on performance, scours, rumen fermentation and intestinal fauna

FHR Santos, MR De Paula, D Lezier, JT Silva… - Animal, 2015 - cambridge.org
The first cause of death of dairy calves is often diarrhea which is mainly caused by
pathogenic bacteria, which can result in excessive use of antibiotics. However, facing the …