Cyathostomin fecal egg count and milk quality in dairy donkeys

Perrucci, Stefania; Salari, Federica; Maestrini, Michela; Altomonte, Iolanda; Guardone, Lisa; Nardoni, Simona; Molento, Marcelo Beltrão; Martini, Mina

doi:10.1590/S1984-29612021046

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Short Communication • Rev. Bras. Parasitol. Vet. 30 (2) • 2021 • https://doi.org/10.1590/S1984-29612021046 copy

Cyathostomin fecal egg count and milk quality in dairy donkeys

Contagem de ovos de Cyathostominae nas fezes e a qualidade do leite em jumentas lactantes

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

This study was performed to assess the possible relationship between gastrointestinal strongylid infections and milk quantity and quality in donkeys used for milk production. Individual fecal and milk samples were collected from 16 multiparous lactating jennies of Amiatina breed at their 6^th month of lactation. Statistical analysis was carried out between strongylid eggs per gram of faeces (EPG) and milk parameters. All animals were found to shed cyathostomin eggs, with EPG ranging from 150 to 1900. A higher milk production was observed in animals showing an EPG< 250, but this result was statistically not significant. Conversely, significant higher concentrations of milk urea and pH values, and lower concentrations of milk lactose, were observed in jennies with an EPG >1000. In conclusion, results from this study suggest that cyathostomin EPG values > 1000 may affect milk quality in dairy donkeys. Considering the novelty of these findings, more data needs to be collected to determine EPG thresholds to be used as a good marker for parasite infections influencing milk performance and quality in donkeys.

Keywords:
Dairy donkeys; milk quality; Cyathostominae; fecal egg count

Milk parameters (Least Square Mean ± Standard Error)	EPG¹			RMSE²	P value
Milk parameters (Least Square Mean ± Standard Error)	>1000	250 to 1000	< 250	RMSE²	P value
Quantity (ml)	658.61±81.86	622.33±115.76	818.10±133.63	191.56		NS
Fat (%)	0.65±0.12	0.66±0.15	0.76±0.18	0.44		NS
Protein (%)	1.82±0.05	1.85±0.06	1.81±0.07	0.26		NS
Casein (%)	0.71±0.03	0.57±0.04	0.83±0.04	0.08		NS
Lactose (%)	6.82^B±0.02	6.97^A±0.03	6.96^A±0.04	0.07		**
Urea (mg/ml)	41.32^a±1.96	36.78^ab±2.60	30.69^b±3.00	3.84		*
Dry Matter (%)	10.80±0.15	10.39±0.19	10.73±0.22	1.25		NS
Ash (%)	0.40±0.02	0.39±0.03	0.39±0.03	0.04		NS
pH	7.01^A±0.03	6.83^B±0.03	6.92^AB±0.04	0.11		**
Titratable acidity (g/l)	0.13±0.007	0.12±0.008	0.12±0.008	0.01		NS
SCC³ (n° * 1000)	5.52±0.93	4.17±1.15	4.67±1.49	2.95		NS
Ca (mg/L)	967.53±296.22	1233.69±323.42	1242.56±315.41	364.76		NS
Mg (mg/L)	106.85±9.87	96.15±15.61	89.82±12.17	22.30	NS
K (mg/L)	714.20±38.53	659.35±38.53	631.20±49.74	112.78	NS
P (mg/L)	468.00±43.46	463.12±43.46	435.85±56.11	128.57	NS
Na (mg/L)	232.32±164.95	338.96±164.95	341.18±202.03	188.53	NS
Zn (mg/L)	1.52±0.24	2.06±0.24	2.16±0.31	0.85	NS

Colégio Brasileiro de Parasitologia Veterinária FCAV/UNESP - Departamento de Patologia Veterinária, Via de acesso Prof. Paulo Donato Castellane s/n, Zona Rural, , 14884-900 Jaboticabal - SP, Brasil, Fone: (16) 3209-7100 RAMAL 7934 - Jaboticabal - SP - Brazil
E-mail: cbpv_rbpv.fcav@unesp.br

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[1] *Corresponding author: Stefania Perrucci. E-mail: stefania.perrucci@unipi.it