Inclusion of Azolla pinnata as an unconventional feed of Zaraibi dairy goats, and effects on milk production and offspring performance

Autor: Hanan A. M. Hassanein, Aristide Maggiolino, Magdy H. Abou El-Fadel, Pasquale De Palo, Heba A. El-Sanafawy, Ahmed M. Hussein, Abdelfattah Z. M. Salem
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Frontiers in Veterinary Science, Vol 10 (2023)
Druh dokumentu: article
ISSN: 2297-1769
DOI: 10.3389/fvets.2023.1101424
Popis: IntroductionThis study investigated the effects of using sun-dried Azolla (Azolla pinnata) meal (SDAM) protein to replace sunflower meal protein in the diets of Zaraibi goats dams on nutrient digestibility, milk yield, composition, and economics.MethodA total of 15 Zaraibi goats (32.23 ± 0.2 kg) were randomly divided into three equal groups, R1, R2, and R3 which were fed based on average milk production. The basal ration was a concentrated feed mixture containing 0, 10, and 20% SDAM which replaced 0, 25, and 50% of sunflower meal protein in the respective groups.ResultsNutrient digestibility and feeding values were improved with R3 goats, which had the highest level of azolla (20%) R3 versus R2 and R1 goats. The total volatile fatty acid (TVFA) concentration in the in-rumen liquor was elevated by increasing the level of azolla up to 20% in R3 goats. The results revealed significantly higher (P
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