Use of Spent Laying Hens in Rendered Products

Sensory and fatty acid profile of eggs from commercial hens fed rendered spent hen meal.

The objective of the study was to determine sensory characteristics and fatty acid profile of eggs from commercial laying hens fed rendered spent hen meal (RSHM). Eggs were collected on a daily basis from Single Comb White Leghorn hens between 43 and 60 wk of age. The hens were fed a layer diet containing either 0, 2.5, 5.0, 7.5, or 10.0% RSHM from 48 to 60 wk in Trial 1, and from 43 to 55 wk i...

The use of cotton seed meal in the diet of laying hens

Adding Value to the Meat of Spent Laying Hens Manufacturing Sausages with a Healthy Appeal

The aim of this study was to evaluate the viability of the use of spent laying hens’ meat in the manufacturing of mortadella-type sausages with healthy appeal by using vegetable oil instead of animal fat. 120 Hy-line layer hens were distributed in a completely randomized design into two treatments of six replicates with ten birds each. The treatments were birds from light Hy-line W36 and semi-h...

Perch use by laying hens in a commercial aviary1

Non-cage housing systems, such as the aviary, are being implemented by the laying hen industry, including in North America, in an attempt to improve the welfare of hens. Perches are a resource that is consistently included in aviaries. Hens are strongly motivated to perch, and perching can improve leg bone strength. However, hens may prefer elevated perches, particularly at night, and thus simp...

Determination of space use by laying hens using kinematic analysis.

Two states in the United States now have legislation requiring that laying hens be provided with sufficient space to perform particular behaviors. To provide a framework for translating these performance standards into a space requirement, kinematic analysis was used to measure the amount of space needed for White Leghorn hens to stand, turn around 180°, lie down, and wing flap. Hyline W-36 hen...