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Seasonal variations of Saanen goat milk composition and the impact of climatic conditions

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2018
4735.pdf (374.0Kb)
Authors
Kljajević, Nemanja
Tomašević, Igor
Miloradović, Zorana
Nedeljković, Aleksandar
Miočinović, Jelena
Jovanović, Snežana
Article (Published version)
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Abstract
The aim of this research was to investigate the effect of climatic conditions and their impact on seasonal variations of physico-chemical characteristics of Saanen goat milk produced over a period of 4 years. Lactation period (early, mid and late) and year were considered as factors that influence physico-chemical composition of milk. Pearson's coefficient of correlation was calculated between the physico-chemical characteristics of milk (fat, proteins, lactose, non-fat dry matter, density, freezing point, pH, titrable acidity) and climatic condition parameters (air temperature, temperature humidity index-THI, solar radiation duration, relative humidity). Results showed that all physico-chemical characteristics of Saanen goat milk varied significantly throughout the lactation period and years. The decrease of fat, protein, non-fat dry matter and lactose content in goat milk during the mid-lactation period was more pronounced than was previously reported in the literature. The highest v...alues for these characteristics were recorded in the late lactation period. Observed variations were explained by negative correlation between THI and the physico-chemical characteristics of Saanen goat milk. This indicated that Saanen goats were very prone to heat stress, which implied the decrease of physico-chemical characteristics during hot summers.

Keywords:
Seasonal variations / Goat milk / Climatic conditions / Physico-chemical characteristics / Temperature humidity index
Source:
Journal of Food Science and Technology-Mysore, 2018, 55, 1, 299-303
Publisher:
  • Springer India, New Delhi
Funding / projects:
  • Improvement and development of hygienic and technological procedures in production of animal originating foodstuffs with the aim of producing high-quality and safe products competetive on the global market (RS-46009)

DOI: 10.1007/s13197-017-2938-4

ISSN: 0022-1155

PubMed: 29358822

WoS: 000419562700033

Scopus: 2-s2.0-85032342022
[ Google Scholar ]
29
9
URI
http://aspace.agrif.bg.ac.rs/handle/123456789/4738
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Poljoprivredni fakultet
TY  - JOUR
AU  - Kljajević, Nemanja
AU  - Tomašević, Igor
AU  - Miloradović, Zorana
AU  - Nedeljković, Aleksandar
AU  - Miočinović, Jelena
AU  - Jovanović, Snežana
PY  - 2018
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/4738
AB  - The aim of this research was to investigate the effect of climatic conditions and their impact on seasonal variations of physico-chemical characteristics of Saanen goat milk produced over a period of 4 years. Lactation period (early, mid and late) and year were considered as factors that influence physico-chemical composition of milk. Pearson's coefficient of correlation was calculated between the physico-chemical characteristics of milk (fat, proteins, lactose, non-fat dry matter, density, freezing point, pH, titrable acidity) and climatic condition parameters (air temperature, temperature humidity index-THI, solar radiation duration, relative humidity). Results showed that all physico-chemical characteristics of Saanen goat milk varied significantly throughout the lactation period and years. The decrease of fat, protein, non-fat dry matter and lactose content in goat milk during the mid-lactation period was more pronounced than was previously reported in the literature. The highest values for these characteristics were recorded in the late lactation period. Observed variations were explained by negative correlation between THI and the physico-chemical characteristics of Saanen goat milk. This indicated that Saanen goats were very prone to heat stress, which implied the decrease of physico-chemical characteristics during hot summers.
PB  - Springer India, New Delhi
T2  - Journal of Food Science and Technology-Mysore
T1  - Seasonal variations of Saanen goat milk composition and the impact of climatic conditions
EP  - 303
IS  - 1
SP  - 299
VL  - 55
DO  - 10.1007/s13197-017-2938-4
ER  - 
@article{
author = "Kljajević, Nemanja and Tomašević, Igor and Miloradović, Zorana and Nedeljković, Aleksandar and Miočinović, Jelena and Jovanović, Snežana",
year = "2018",
abstract = "The aim of this research was to investigate the effect of climatic conditions and their impact on seasonal variations of physico-chemical characteristics of Saanen goat milk produced over a period of 4 years. Lactation period (early, mid and late) and year were considered as factors that influence physico-chemical composition of milk. Pearson's coefficient of correlation was calculated between the physico-chemical characteristics of milk (fat, proteins, lactose, non-fat dry matter, density, freezing point, pH, titrable acidity) and climatic condition parameters (air temperature, temperature humidity index-THI, solar radiation duration, relative humidity). Results showed that all physico-chemical characteristics of Saanen goat milk varied significantly throughout the lactation period and years. The decrease of fat, protein, non-fat dry matter and lactose content in goat milk during the mid-lactation period was more pronounced than was previously reported in the literature. The highest values for these characteristics were recorded in the late lactation period. Observed variations were explained by negative correlation between THI and the physico-chemical characteristics of Saanen goat milk. This indicated that Saanen goats were very prone to heat stress, which implied the decrease of physico-chemical characteristics during hot summers.",
publisher = "Springer India, New Delhi",
journal = "Journal of Food Science and Technology-Mysore",
title = "Seasonal variations of Saanen goat milk composition and the impact of climatic conditions",
pages = "303-299",
number = "1",
volume = "55",
doi = "10.1007/s13197-017-2938-4"
}
Kljajević, N., Tomašević, I., Miloradović, Z., Nedeljković, A., Miočinović, J.,& Jovanović, S.. (2018). Seasonal variations of Saanen goat milk composition and the impact of climatic conditions. in Journal of Food Science and Technology-Mysore
Springer India, New Delhi., 55(1), 299-303.
https://doi.org/10.1007/s13197-017-2938-4
Kljajević N, Tomašević I, Miloradović Z, Nedeljković A, Miočinović J, Jovanović S. Seasonal variations of Saanen goat milk composition and the impact of climatic conditions. in Journal of Food Science and Technology-Mysore. 2018;55(1):299-303.
doi:10.1007/s13197-017-2938-4 .
Kljajević, Nemanja, Tomašević, Igor, Miloradović, Zorana, Nedeljković, Aleksandar, Miočinović, Jelena, Jovanović, Snežana, "Seasonal variations of Saanen goat milk composition and the impact of climatic conditions" in Journal of Food Science and Technology-Mysore, 55, no. 1 (2018):299-303,
https://doi.org/10.1007/s13197-017-2938-4 . .

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