Results 231 to 240 of about 547,565 (389)

Chitin Analysis in Insect‐Based Feed Ingredients and Mixed Feed: Development of a Cost‐Effective and Practical Method

open access: yesJournal of Animal Physiology and Animal Nutrition, EarlyView.
ABSTRACT Insects are used as an alternative sustainable, protein‐rich ingredient in fish, pet, pig and poultry diets. The significant difference between insect meals and common protein sources is the content of chitin. The nitrogen contained in chitin, which makes up 6.89% of the chitin mass, is detected as crude protein in the analysis and, therefore,
Patrick Sudwischer   +3 more
wiley   +1 more source

HOW DOES COTTONSEED MEAL COMPARE AS AN ALTERNATIVE PROTEIN SOURCE TO SOYBEAN MEAL IN POULTRY PRODUCTION? [PDF]

open access: yes
Profitability of substituting cottonseed meal (CSM) for soybean meal (SBM) in broiler feed is evaluated using a model that optimizes broiler production under changing market conditions.
Costa, Ecio de Farias   +2 more
core   +1 more source

Vitamin D3 Is Not a Limiting Nutrient Regarding Growth Performance and Tibia Parameters in the Rearing Period of Laying Hens Bred for High Laying Performance Compared to Non‐Selected Resource Populations

open access: yesJournal of Animal Physiology and Animal Nutrition, EarlyView.
ABSTRACT Bone damages in laying hens are of great concern in poultry farming. Besides various risk factors like housing systems or nutrient supply during egg production, it has often been hypothesized that genetically high‐performing laying hens may be more prone to bone damages. The relevance of dietary support during the rearing period of pullets for
Mareike Kölln   +8 more
wiley   +1 more source

Differences in Milk Production Efficiency and Physiology Between Lactating Holstein Cows and Yaks Born and Kept at About 4000 m of Altitude When Fed the Same Diet

open access: yesJournal of Animal Physiology and Animal Nutrition, EarlyView.
ABSTRACT Yaks (Bos grunniens) have developed numerous mechanisms to cope with hypoxic environments. Still, as their milk yield is low, the use of production systems building on dairy breeds at high altitude might increase efficiency, but this has not yet been explored.
Xinyu Zhang   +3 more
wiley   +1 more source

A Comparative Analysis of Creatine, Creatinine, Amino Acid Concentrations and Indispensable Amino Acid Scores of Grain‐Free and Grain‐Inclusive Commercial Extruded Adult Cat Foods

open access: yesJournal of Animal Physiology and Animal Nutrition, EarlyView.
ABSTRACT Despite its role in energy and amino acid (AA) metabolism, no work has investigated creatine (Cr) content in commercial cat food. This study evaluated the Cr, creatinine (CrN), crude protein (CP) and AA concentrations of 30 commercial extruded cat diets.
Taylor Richards   +3 more
wiley   +1 more source

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