Preprint Article Version 1 This version is not peer-reviewed

Analysis of Environmental Factors’ Impact on Donkeys’ Colostrum Quality

Version 1 : Received: 29 May 2018 / Approved: 30 May 2018 / Online: 30 May 2018 (06:14:46 CEST)

A peer-reviewed article of this Preprint also exists.

Marchis, Z.; Odagiu, A.; Coroian, A.; Oroian, I.; Mirza, M.; Burduhos, P. Analysis of Environmental Factors’ Impact on Donkeys’ Colostrum Quality. Sustainability 2018, 10, 2958. Marchis, Z.; Odagiu, A.; Coroian, A.; Oroian, I.; Mirza, M.; Burduhos, P. Analysis of Environmental Factors’ Impact on Donkeys’ Colostrum Quality. Sustainability 2018, 10, 2958.

Journal reference: Sustainability 2018, 10, 2958
DOI: 10.3390/su10092958

Abstract

Colostrum is a natural product, issued by both mammals and humans in first week of lactation. Among different species, donkey colostrum is considered as having, besides a valuable composition in nutrients and immune factors, an outstanding similitude with human colostrum. In this context, and taking into account the scarcity of available data concerning the interaction between climate factors and colostrum quality, a trial was conducted aiming to identify the possible influence of environmental factors on donkey colostrum nutritional traits. A stock of 16 jennies from 2 farms located in the County of Cluj, during a 7 days postpartum period was analyzed. During experimental period the daily temperature, humidity, and wind velocity data were collected. Strong positive correlations may be reported between fat and lactose, and fat and protein respectively, while moderate to strong correlation is emphasized between lactose and protein content of donkey colostrum. Testing the influence of environmental temperature, relative humidity, and wind velocity influence upon nutritional content of donkey colostrum, results the neglectable influence of the wind velocity, the negative influence of the heat stress upon all studied colostrum components, and complex influence of relative humidity, which has positive influence on fat and lactose increase when it increases, while its increase has negative influence on protein content of donkey colostrum.

Subject Areas

coefficient of variation; correlation; factor; jenny; principal components analysis

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