Seaweeds are rich in bioactives including proteins, carbohydrates and to a lesser extent lipids, saponins, alkaloids and peptides. Seaweeds are diverse plants containing bioactives that differ from their terrestrial counterparts and they are increasingly under investigation as a feed supplement for the mitigation of enteric CH4. There is a need to reduce CH4 emissions, however, and several approaches are being researched currently. This makes a significant contribution to feeding the world's population. This land is predominantly unsuitable for arable purposes but facilitates the production of high-quality human-edible protein in the form of ruminant animal-derived meat and milk. On the other hand, it should be noted that two-thirds of the world's agricultural land consists of pastures and permanent grasslands and is used for livestock grazing. Meat and dairy production is the target of much scrutiny due to methane (CH4) emissions and global warming.
Simple Summary The need to become more efficient in agriculture and the food industry exists parallel to the challenge of climate change. The results will benefit Halal certification, food safety, and security agencies to curb food fraud. A characteristic pattern based on principal component analysis (PCA) and orthogonal partial least square-discriminant analysis (OPLS-DA) was observed among the groups. The identified features can be employed to differentiate meat obtained from different slaughtering methods. Among them 05 identified and 25 unidentified metabolites have clear differences in peak intensities. A volcano plot reveals at least 150 features found significantly different between the two groups having >= 2-fold changes in intensities with p-values <= 0.05. Samples were grouped into, Zabiha (cutting neck without detaching spinal cord) and Non-Zabiha (completely detaching neck). Liquid chromatography-electrospray ionization-tandem mass spectrometry (LC-ESI-MS/MS) based untargeted metabolomics of 40 chicken meat samples were evaluated to differentiate meat samples based on slaughtering methods. Many communities show concern regarding the procedure of slaughtering animals for meat consumption due to ethical, religious, or cultural reasons. Chicken meat is among the common and relatively inexpensive source of protein consumed worldwide from the poultry industry.
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