The ecological cleanliness of milk and products of its processing when using the sorption-probiotic supplement in the diet of cows

Open Access

Table 2.

Milk productivity of cows and the content of heavy metals in milk and products of its processing

Name of the product	Group					MPC mg/kg
Name of the product	I‐C	II‐E	III‐E	IV‐E	V‐E	MPC mg/kg
Productivity indicators
Milk yield per cow, kg	2887.80	3115.63	3250.43	2995.58	2987.80	‐
in % to control	100.0	107.89	112.56	103.73	103.46	‐
Weight content of fat in milk, %	3.92±0.08	4.14±0.06^*	3.99±0.02	4.09±0.05^*	4.06±0.11	‐
Weight content of protein in milk, %	3.0±0.04	3.12±0.03^*	3.01±0.02	3.06±0.02^*	3.04±0.4
Weight content of lactose in milk, %	4.44±0.03	4.45±0.02	4.44±0.02	4.48±0.03	4.51±0.03
Energy value of milk, kcal	639.3	669.6	649.7	658.5	668.0
Milk obtained for 100 EFU, kg	63.86	68.89	71.87	66.24	66.08	‐
Heavy metal content
lead, mg/kg
Milk	0.09228±0.00717	0.08236±0.00272	0.07079±0.00334^*	0.06749±0.00326^**	0.05225±0.00447^***	0,1
in % to control	100.0	89.25	76.71	73.14	56.62
Milk whey	0.08161±0.00278	0.08094±0.00339	0.07662±0.00304	0.06999±0.00216^**	0.06648±0.00256^***	0,1
in % to control	100.0	99.18	93.89	85.76	81.46
Butter	0.10483±0.00531	0.09854±0.00381	0.09144±0.00338^*	0.07900±0.00720^*	0.07270±0.00625^**	0,1
in % to control	100.0	93.99	87.22	75.36	69.35
Curds	0.02279±0.00105	0.02089±0.00172	0.01877±0.00160^*	0.01755±0.00138^*	0.01593±0.00124^**	0,3
in % to control	100.0	91.66	89.85	84.01	76.26
cadmium, mg/kg
Milk	0.01116±0.00042	0.00975±0.00093	0.00859±0.00031^**	0.00829±0.00039^**	0.00797±0.00057^**	0,03
in % to control	100.0	87.37	76.97	74.28	71.42	‐
Milk whey	0.01448±0.00064	0.01281±0.00054	0.01217±0.00058^*	0.01113±0.00040^**	0.00960±0.00030^***	0,03
in % to control	100.0	88.47	84.05	76.87	66.30
Butter	0.01202±0.00045	0.01199±0.00112	0.00947±0.00060^**	0.01004±0.00055^**	0.00853±0.00106^**	0,03
in % to control	100.0	99.75	78.79	83.53	70.97
Curds	0.00579±0.00092	0.00423±0.00075	0.00364±0.00062	0.00322±0.00069^*	0.00306±0.00065^*	0,2
in % to control	100.0	73.06	62.87	55.61	52.85

P<0.05;

^**

P<0.01;

^***

P<0.001

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