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Salivary gland adaptation to dietary inclusion of hydrolysable tannins in boars
ID
Mavri, Maša
(
Avtor
),
ID
Čandek-Potokar, Marjeta
(
Avtor
),
ID
Fazarinc, Gregor
(
Avtor
),
ID
Škrlep, Martin
(
Avtor
),
ID
Rutland, Catrin S.
(
Avtor
),
ID
Potočnik, Božidar
(
Avtor
),
ID
Batorek Lukač, Nina
(
Avtor
),
ID
Kubale, Valentina
(
Avtor
)
PDF - Predstavitvena datoteka,
prenos
(4,42 MB)
MD5: A2FB48DE72E21696350DDE3BA8034CE7
URL - Izvorni URL, za dostop obiščite
https://www.mdpi.com/2076-2615/12/17/2171
Galerija slik
Izvleček
The ingestion of hydrolysable tannins as a potential nutrient to reduce boar odor in entire males results in the significant enlargement of parotid glands (parotidomegaly). The objective of this study was to characterize the effects of different levels of hydrolysable tannins in the diet of fattening boars (n = 24) on salivary gland morphology and proline-rich protein (PRP) expression at the histological level. Four treatment groups of pigs (n = 6 per group) were fed either a control (T0) or experimental diet, where the T0 diet was supplemented with 1% (T1), 2% (T2), or 3% (T3) of the hydrolysable tannin-rich extract Farmatan$^®$. After slaughter, the parotid and mandibular glands of the experimental pigs were harvested and dissected for staining using Goldner’s Trichrome method, and immunohistochemical studies with antibodies against PRPs. Morphometric analysis was performed on microtome sections of both salivary glands, to measure the acinar area, the lobular area, the area of the secretory ductal cells, and the sizes of glandular cells and their nuclei. Histological assessment revealed that significant parotidomegaly was only present in the T3 group, based on the presence of larger glandular lobules, acinar areas, and their higher nucleus to cytoplasm ratio. The immunohistochemical method, supported by color intensity measurements, indicated significant increases in basic PRPs (PRB2) in the T3 and acidic PRPs (PRH1/2) in the T1 groups. Tannin supplementation did not affect the histo-morphological properties of the mandibular gland. This study confirms that pigs can adapt to a tannin-rich diet by making structural changes in their parotid salivary gland, indicating its higher functional activity.
Jezik:
Angleški jezik
Ključne besede:
pigs
,
dietary supplements
,
tannins
,
parotid gland
,
mandibular gland
,
immunohistochemistry
,
histology
,
proline-rich proteins
,
PRP
,
swine
Vrsta gradiva:
Članek v reviji
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
VF - Veterinarska fakulteta
Status publikacije:
Objavljeno
Različica publikacije:
Objavljena publikacija
Leto izida:
2022
Št. strani:
14 str.
Številčenje:
Vol. 12, iss. 17, art. 2171
PID:
20.500.12556/RUL-138924
UDK:
636.09:591
ISSN pri članku:
2076-2615
DOI:
10.3390/ani12172171
COBISS.SI-ID:
119067139
Datum objave v RUL:
25.08.2022
Število ogledov:
1035
Število prenosov:
117
Metapodatki:
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Objavi na:
Gradivo je del revije
Naslov:
Animals
Skrajšan naslov:
Animals
Založnik:
MDPI AG
ISSN:
2076-2615
COBISS.SI-ID:
519120409
Licence
Licenca:
CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:
http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:
To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Projekti
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
L4-5521
Naslov:
Reja merjaščkov ali imunokastracija: raziskave ukrepov za zmanjšanje vonja po merjascu in novih problemov kakovosti proizvodov
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
P4-0133
Naslov:
Trajnostno kmetijstvo
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
P4-0053
Naslov:
Endokrini, imunski in encimski odzivi pri zdravih in bolnih živalih
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
P2-0041
Naslov:
Računalniški sistemi, metodologije in inteligentne storitve
Financer:
Drugi - Drug financer ali več financerjev
Program financ.:
Republic of Slovenia, Ministry of Agriculture and the Environment
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