Publications by authors named "R P Crooijmans"

Casein polymorphism can be related to compositional differences in milk. The objective of this study was to identify CN variants in the Dutch goat population and to investigate their relation to CN composition, protein content, and CN micelle size. In this study, the CN variants were identified for 234 goats based on the intact protein mass determined by liquid chromatography (LC)-MS.

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Objective: Characterization studies of the phenotypic and genetic diversity of Mongolian goats are limited, despite several goat breeds being registered in the country. This study aimed to evaluate the phenotypic and genetic diversity of 14 cashmere goat populations in Mongolia, consisting largely of identified goat breeds.

Methods: Body weight, cashmere quality, and coat color were the phenotypic traits considered in this study.

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The animal gastrointestinal tract contains a complex microbiome whose composition ultimately reflects the co-evolution of microorganisms with their animal host and their host's environment. This study aimed to gain insights into the adaptation of the microbiota of local Egyptian cattle to three different ecosystems (Upper Egypt, Middle Egypt, and Lower Egypt) distributed across 11 governorates (with an average of 12 animals per governorate) using amplicon sequencing. We analyzed the microbiota from 136 fecal samples of local Egyptian cattle through a 16S rRNA gene sequencing approach to better understand the fecal microbial diversity of this breed which developed under different ecosystems.

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Article Synopsis
  • * A study analyzed gMOS content from around 1,000 dairy goats across 18 farms, revealing the highest concentration of 3'-N-glycolyl-neuraminyl-lactose and significant variability in gMOS levels due to genetic differences.
  • * Findings indicate that genetics play a major role in determining gMOS composition, while environmental factors like lactation stage have a lesser impact, highlighting the importance of breeding practices for creating beneficial infant formula ingredients.
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Background: Integration of high throughput DNA genotyping and RNA-sequencing data enables the discovery of genomic regions that regulate gene expression, known as expression quantitative trait loci (eQTL). In pigs, efforts to date have been mainly focused on purebred lines for traits with commercial relevance as such growth and meat quality. However, little is known on genetic variants and mechanisms associated with the robustness of an animal, thus its overall health status.

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