The Effect of Sodium Humate Feed Additives in Diets for Holstein Breed Heifers

Kairiša, Daina; Valdovska, Anda; Vircava, Ilze; Pilvere, Irina; Proskina, Liga; Gāliņa, Daiga; Gutmanis, Guntis; Mešķis, Sandijs

doi:10.28991/esj-2023-07-04-023

Cited by 2 publications

(2 citation statements)

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“…Гумінові кислоти є найбільш вивченою групою гумінових речовин (Vaskova et al, 2011;Van Rensburg, 2015;Gomes de Melo et al, 2016;Slivinska et al, 2020;Hassan et al, 2020;Kholif et al, 2021;Teter et al, 2023;Kairiša et al, 2023).…”

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Evaluation of the efficiency of using a preparation of humic nature as a feed ad-ditive in the diet of dairy cows of the holshtin breed

Begma,

Mykytiuk,

Kravchuk

2024

SMLNUVMBA

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Among a significant number of biologically active substances capable of increasing the level of nonspecific resistance, our attention was drawn to humic substances that positively affect the physiological and biochemical status of animals. The effect of biologically active substances, which includes potassium humate, is evaluated, which makes it possible to activate the metabolic processes in the animal's body, to promote the transformation of feed nutrients into available forms, and thereby play an essential role in solving one of the primary tasks – the rational use of feed. The effect of potassium humate in a dose of 4 g of the drug per 1 cow during the dry period per day was determined, contributing to an increase in the live weight of newborn calves by 22.4 %. Later, the calves of the experimental group exceeded the control group: after the 1st month of growing – by 28%, and after the 2nd month – by 23.9 %. Due to the feeding of potassium humate, the number of fertilized cows increased by 22 % compared to the control. The pattern of enrichment of rations with potassium humate is characterized, which allows an increase in cows' average daily milk yield by 20 % with a simultaneous reduction in protein consumption by 14.2 %, feed units by 13.9 %, and exchangeable energy by 13.5 %. The use of potassium humate in the diets of dry cows does not cause significant changes in protein metabolism and the levels of AST, ALT, and glucose, which is evidence of normal liver function, but it helps. Reduced cholesterol synthesis in cows that consumed potassium humate – up to 3.88 mmol/l against 4.72 in the control. The explanation of this phenomenon will require further research. It was possible to increase the overall efficiency of nutrition by 10–20 % during the experiment, thanks to the inclusion of potassium humate in the feed mixtures of nettles and dairy cows. The adaptogenic effect of humic preparations has also been proven, including in stressful situations.

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“…Гумінові препарати -цінні мікродобавки в кормах для годівлі тварин (Slivinska et al, 2020;Teter et al, 2023;Kairiša et al, 2023).…”

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Evaluation of the efficiency of using a preparation of humic nature as a feed ad-ditive in the diet of dairy cows of the holshtin breed

Begma,

Mykytiuk,

Kravchuk

2024

SMLNUVMBA

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Replacement of soy by mealworms for livestock feed - A comparative review between soy and mealworms considering environmental aspects

Siddiqui,

Elsheikh,

Ucak

et al. 2024

Environ Dev Sustain

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The urgent need for sustainable alternatives to conventional livestock feed has prompted research into novel protein sources. This review paper systematically evaluates the prospect of replacing soy with mealworms in livestock feed, focusing on comprehensive comparisons of nutritional content and environmental considerations. The nutritional profiles of soy and mealworms are analyzed in terms of amino acid composition and digestibility. The total essential amino acids in mealworms are 26.02 g/100 g while in mealworms total EAA is 31.49 g/100 g. The protein content in mealworm is high (51.93 g/100 g) in comparison to soy meal (44.51 g/100 g). Environmental aspects, including deforestation, pesticide use, water consumption, land use, and greenhouse gas emissions, are scrutinized for both soy cultivation and mealworm farming.One kg of mealworm meal yields 141.3 MJ energy use, 3.8 kg CO2 equivalent for climate change, 25.6 g SO2 equivalent for acidification, 15.0 g PO4 equivalent for eutrophication, and 4.1 m2 land use. It's more potent per kg of protein than soybean or fish meal. Feasibility, scalability, and economic considerations are explored to understand the practical implications for livestock farmers. Consumer perception and regulatory frameworks are also addressed, highlighting potential challenges and strategies for acceptance. The paper concludes by synthesizing key findings and offering recommendations for stakeholders interested in the sustainable integration of mealworms into mainstream livestock agriculture. This comparative review provides a holistic understanding of the potential environmental benefits and challenges associated with replacing soy with mealworms in livestock feed. Graphical abstract

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The Effect of Sodium Humate Feed Additives in Diets for Holstein Breed Heifers

Cited by 2 publications

References 59 publications

Evaluation of the efficiency of using a preparation of humic nature as a feed ad-ditive in the diet of dairy cows of the holshtin breed

Evaluation of the efficiency of using a preparation of humic nature as a feed ad-ditive in the diet of dairy cows of the holshtin breed

Replacement of soy by mealworms for livestock feed - A comparative review between soy and mealworms considering environmental aspects

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