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Effects of including a palmitic acid-enriched supplement in low and high starch diets on milk production and energy partitioning of primiparous and multiparous dairy cows between mid and late-lactation.
J Dairy Sci
January 2025
Department of Animal Science, Michigan State University, East Lansing, MI 48824. Electronic address:
The aim of our study was to assess the effects of low or high-starch diets with or without palmitic acid (C16:0) supplementation on the yield of milk, milk components, and energy partitioning of primiparous and multiparous dairy cows between mid and late-lactation. Thirty-two Holstein cows, 12 primiparous ([mean ± SD] 163 ± 33 d in milk) and 20 multiparous ([mean ± SD] 179 ± 37 d in milk), were used in a split-plot Latin square design. Parity was considered the main plot, and within each plot, treatments were then randomly assigned in a replicated 4 × 4 Latin square with 21 d periods and balanced for carryover effects.
View Article and Find Full Text PDFStructural, physicochemical and in vitro digestibility of white kidney bean protein-corn starch complexes under various heat treatments.
Food Res Int
January 2025
College of Food Science and Engineering, Changchun University, Changchun, Jilin 130022, China. Electronic address:
The presence of exogenous protein can delay starch digestion. However, systematic studies on the effects of protein on starch digestion under various heat treatments still need to be completed. In this study, the effects of exogenous protein and heat treatments on corn starch digestibility were investigated.
View Article and Find Full Text PDFMetabolizable energy and digestible nutrient values of protease-supplemented field pea for broiler chicken.
Poult Sci
December 2024
CBS Bio Platforms, Calgary, AB T2C 0J7, Canada.
A study was conducted to determine the effects of protease supplementation of field pea (in comparison with soybean meal; SBM) for broilers on apparent metabolizable energy (AMEn) and standardized ileal digestibility (SID) of amino acids (AA). One hundred and forty broiler chicks were divided into 35 groups of 4 birds/group and fed 5 diets in a completely randomized design (7 groups/diet) from 14 to 21 d of age. The diets were cornstarch-based containing SBM or field pea as the sole protein source without or with protease (ProSparity 250; CBS Bio Platforms, Calgary, AB, Canada) in 2 × 2 factorial arrangement, and N-free diet.
View Article and Find Full Text PDFThe effect of nitrogen fertilization and the use of biostimulators on the chemical composition of grains of two varieties of corn (Zea mays L.).
PLoS One
January 2025
Faculty of Agricultural Sciences, University of Siedlce, Siedlce, Poland.
The aim of the research was to determine the impact of the use of biostimulators and different nitrogen doses on the yield quality of two varieties of corn grown for grain. The field experiment was carried out in 2015-2017 on an individual farm located in north-eastern Poland (52°30'N and 22°26'E). The following factors were examined in the experiment: group I-two corn varieties: PR38N86 (280 FAO); P8400 (240 FAO) group II-four doses of nitrogen fertilization: control treatment-without nitrogen application (0 kg·ha-1 N) nitrogen doses-80 kg·ha-1 N, 120 kg·ha-1 N, 160 kg·ha-1 N, group III-four types of biostimulators used: (1) control treatment-without the use of a biostimulator, (2) biostimulator containing sodium ortho-nitrophenol, sodium para-nitrophenol, 5-nitroguaiacol sodium, (3) biostimulator containing potassium para-nitrophenolate, potassium ortho-nitrophenolate, potassium 5-nitrovacollate, (4) biostimulator containing molybdenum, zinc.
View Article and Find Full Text PDFA Study on the Effect of Indirect Nitrate Supply on the Nitrogen Fixation Capacity of Soybean Nodules.
Plants (Basel)
December 2024
College of Agriculture, Northeast Agricultural University, Harbin 150030, China.
In this study, dual-root soybean ( L. Merr.) plants, with one side nodulated and the other nonnodulated, were used as experimental materials.
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