Amino acid profiles of rumen undegradable protein: a comparison between forages including cereal straws and alfalfa and their respective total mixed rations

Wang, Bing; Jiang, Linshu

doi:10.1111/jpn.12789

Cited by 4 publications

(1 citation statement)

References 38 publications

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“…Another reason for differences in technological properties of milk from the FS1 group could also be in the presence of alfalfa. According to Wang et al (2018) and Edmunds et al (2013), rumen-non-degradable fraction of alfalfa is rich in lysine, tyrosine and aspartic acid, which strongly influences the amount of α s1 -casein in milk (Ramos-Morales et al, 2008). On the other hand, sunflower meal in FS2 has less of above-mentioned amino acids (Sanz Sampelayo et al, 1998).…”

Section: Evaluation Of Technological Properties Of Goat Milkmentioning

confidence: 99%

Utjecaj dvaju suplemenata u hranidbi koza na tehnološka svojstva kozjeg mlijeka

et al. 2020

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Goat’s daily diet is usually based on grazing, hay and/or feed supplements. Feed supplements are crucial in the diet of high productive goats to achieve their genetic potential and breeders must choose balanced feeding regime to produce large quantities of milk without affecting the technological quality of milk. In the present study, we evaluated the influence of two commercially available feed supplements on goat milk coagulation properties and rheological properties of yoghurts. Goats of the Slovenian Alpine breed (61) were fed with two feed supplements during the 3-year experiment. Feed supplement 1 (FS1) had higher proportions of barley and alfalfa, while feed supplement 2 (FS2) had added premix of minerals and vitamins and had higher proportions of wheat and sunflower meal. Con¬sequently, FS1 had more crude fibres, which is the most probable reason for approximately 15 % higher firmness, consistency and cohesiveness (P<0.05) of yoghurts in FS1 group, compared to the FS2 group. Moreover, the rennet coagulation time (r) was shorter (P<0.05) in the FS1 group, compared to the FS2 group. Curd firmness 30 min after enzyme addition (a30) was also higher in FS1 group although the results were not statistically significant. Taking together, our results indicate that goats fed with FS1 produced milk with better technological properties compared to those fed with FS2, despite the fact that there were no significant differences in chemical composition of milk from each group. We showed that careful selection of feed supplement’s constituents could improve technological properties of goat milk. However, further studies are needed to evaluate the mechanisms of the observed differences.

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Section: Evaluation Of Technological Properties Of Goat Milkmentioning

confidence: 99%

Utjecaj dvaju suplemenata u hranidbi koza na tehnološka svojstva kozjeg mlijeka

et al. 2020

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Constraints on the utilization of cereal straw in lactating dairy cows: A review from the perspective of systems biology

et al. 2022

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Effects of chop lengths of ramie silage on ruminal fermentation, free amino acid content, and cellulase activity in goats

Sun¹,

Chen²,

Hou³

et al. 2021

CZECH J ANIM SCI

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PRDX6 is a bifunctional protein involved in antioxidant regulation and phospholipid metabolism. Previous studies have shown that PRDX6 is involved in some biological pathways and networks related to lactation. The aim of this study was to explore the characteristics, function, tissue expression and variation of buffalo PRDX6 gene. We cloned and characterized the complete coding sequence (CDS) of buffalo PRDX6. The CDS of PRDX6 for swamp and river buffalo is the same, which consists of 675 nucleotides and encodes a protein of 224 amino acids. Buffalo PRDX6 contains one PRX_1cys functional domain (AA 7–222), which is probably related to the regulation of oxidative stress. Multi-tissue differential expression analysis showed that buffalo PRDX6 was highly expressed in the muscle, brain, lung and small intestine during non-lactation and lactation, and there were significant differences in expression in all the tissues except the small intestine between the two periods. It is worth noting that the mRNA abundance of buffalo PRDX6 in non-lactating mammary gland is higher than that in lactating mammary gland. Among the two single nucleotide polymorphisms (SNPs) identified in the CDS in this study, c.261C>T is shared by the two types of buffalo with different allelic frequencies, and c.426T>G is found only in river buffalo. The c.426T>G is non-synonymous, resulting in the amino acid substitution p.Asn142Lys. Only one nucleotide differential site is identified in PRDX6 gene between buffalo and other species of Bovidae. Phylogenetic analysis indicated that buffalo PRDX6 has a closer genetic relationship with that of the species in Bovidae. These results indicate that PRDX6 probably plays a crucial role in the mammary gland of buffalo. This study provides the foundation for further functional studies of PRDX6 in buffalo.

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Amino acid profiles of rumen undegradable protein: a comparison between forages including cereal straws and alfalfa and their respective total mixed rations

Cited by 4 publications

References 38 publications

Utjecaj dvaju suplemenata u hranidbi koza na tehnološka svojstva kozjeg mlijeka

Utjecaj dvaju suplemenata u hranidbi koza na tehnološka svojstva kozjeg mlijeka

Constraints on the utilization of cereal straw in lactating dairy cows: A review from the perspective of systems biology

Effects of chop lengths of ramie silage on ruminal fermentation, free amino acid content, and cellulase activity in goats

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