[HTML][HTML] Invited review: Nitrogen in ruminant nutrition: A review of measurement techniques

AN Hristov, A Bannink, LA Crompton, P Huhtanen… - Journal of dairy …, 2019 - Elsevier
Nitrogen is a component of essential nutrients critical for the productivity of ruminants. If
excreted in excess, N is also an important environmental pollutant contributing to acid …

Acid-insoluble ash as a marker in digestibility studies: a review

J Sales, GPJ Janssens - J. Anim. Feed Sci, 2003 - jafs.com.pl
The use of markers to determine digestibility of feeds overcomes the need to make exact
measurements of feed intake and total faecal output in the traditional total collection method …

[HTML][HTML] Machine learning estimators for the quantity and quality of grass swards used for silage production using drone-based imaging spectrometry and …

RA Oliveira, R Näsi, O Niemeläinen, L Nyholm… - Remote Sensing of …, 2020 - Elsevier
Drones offer entirely new prospects for precision agriculture. This study investigates the
utilisation of drone remote sensing for managing and monitoring silage grass swards. In …

Assessing silage quality

JH Cherney, DJR Cherney - Silage science and technology, 2003 - Wiley Online Library
Forage crops serve as the main source of material for production of silage, while high
moisture grains, although high in nutritive value, are ensiled in lesser quantities worldwide …

Feed quality and animal performance

SW Coleman, JE Moore - Field Crops Research, 2003 - Elsevier
A sound theoretical definition for forage or feed quality is animal performance. This definition
may be useful as a relative comparison among forages when given to growing or lactating …

[图书][B] Feed into milk: a new applied feeding system for dairy cows.

C Thomas - 2004 - cabidigitallibrary.org
This paper describes the Feed into Milk (FiM) system, which aims to develop an improved
nutritional model that could be applied with immediate effect. The project comprises reviews …

An experimental study of nitrogen flux in llamas: is 14N preferentially excreted?

M Sponheimer, TF Robinson, BL Roeder… - Journal of …, 2003 - Elsevier
Nitrogen isotope analysis is now commonly used to investigate the diets, and to a lesser
extent, the environments of ancient populations. These studies assume that mammals are …

Quality and utilization

SW Coleman, JE Moore… - Warm‐season (C4) …, 2004 - Wiley Online Library
The warm‐season (ie, C4) grasses are the backbone of livestock systems in much of the
world. This chapter examines the factors limiting quality of C4 grasses that may, in turn …

Digestion and passage rates of grass hays by llamas, alpacas, goats, rabbits, and horses

M Sponheimer, T Robinson, B Roeder… - Small Ruminant …, 2003 - Elsevier
Many studies have suggested that South American camelids (SAC) have greater digestive
efficiency than pecoran ruminants, but others have found no difference. In an effort to …

[HTML][HTML] Gastrointestinal tract size, total-tract digestibility, and rumen microflora in different dairy cow genotypes

M Beecher, F Buckley, SM Waters, TM Boland… - Journal of Dairy …, 2014 - Elsevier
The superior milk production efficiency of Jersey (JE) and Jersey× Holstein-Friesian (JE×
HF) cows compared with Holstein-Friesian (HF) has been widely published. The biological …