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The egg industry continues to search for alternative feed ingredients that support production efficiency, enhance egg quality, and add nutritional value. Microalgae are rich in protein, pigments, and long-chain polyunsaturated fatty acids, making the...

This study evaluated the effects of matrix-dosed protease supplementation on growth performance, nutrient utilization, intestinal morphology, serum biochemistry, carcass traits, and economic return in broiler chickens. A total of 240 Cobb 500 chicks...

Three experiments were conducted to evaluate methodologies and determine the digestibility of calcium (Ca) in ingredients of animal origin, using a completely randomized design. In the first experiment, the direct, regression, and substitution method...

In bird eggs, the theoretical expectation of a primary sex ratio (at conception) of 50:50 males/females often fails to materialize. Using PCR technology for sex verification in this pilot study, we evaluated the primary sex ratio of 128 fertilized do...

The present study provides a socio-economic characterization of an endangered turkey population in Europe for the first time, using the example of a southern Spanish population. To this end, 10 Andalusian turkey breeders were subjected to a 102-item...

This study aimed to describe a new broiler meat quality class—red, soft, and exudative (RSE) meat—and to propose novel classification criteria. Two-step cluster analysis assigned 132 broilers into five meat quality classes using ultimate...

Early growth in broilers depends on the rapid development of supply organs that enable nutrient use and support the growth of demand tissues such as muscle and bone. This study evaluated whether increasing dietary fat (and thereby AME) and amino acid...

It is well established that both the age of the breeder hen and the type of incubator can influence the efficiency of the hatching process. However, there is a lack of information in the literature regarding the interaction between these two factors....

Limited published data are available on the ratio of digestible non-essential amino acid (DNEAA) to digestible lysine (DLys) for layers. The effect of different DNEAA-to-DLys ratios on performance parameters of Hy-Line Silver-Brown layers was studied...

This study evaluated the effects of limestone particle size and 25-hydroxycholecalciferol supplementation on performance, egg quality, digestive organ biometrics, bone characteristics, thermoregulatory responses, and behavior of brown laying hens rea...