DOI: 10.37143/0371-4365-2020-74-12

O. S. Kotlyar candidate of the agricultural sciences
ORCID:
E-mail:z-t_e-y2015@meta.ua
Kharkiv State Zooveterinary Academy St. Akademichna, 1, smt. Little Danylivka, Dergachiv district, Kharkiv region, 62341, Ukraine
O. M. Mamenko doctor of agricultural sciences, professor
ORCID:
E-mail:z-t_e-y2015@meta.ua
Kharkiv State Zooveterinary Academy St. Akademichna, 1, smt. Little Danylivka, Dergachiv district, Kharkiv region, 62341, Ukraine

Abstract

It was proposed to use in the feeding of lactating sows from 2nd till 60th days of suckling period and their piglets from 15th till 75th days of life the combination of humate food additive (0,25 g / kg of mixed foods) with salt form of micro element in the quantity of 25 % of micro element deficit in sow ration (or respectively in piglet dry feeding) plus taste additive (saccharin) (0.2 g / kg of mixed foods). It was proposed to use the same feed additive (without taste additive) in rations of growing gilts from 4.5th till 7.5th month of living.Use of 4 micro elements (Fe, Cu, Mn, Zn) sum in form of combyhumate with taste additive on the rations of lactating sows and their sucking and weaned piglets permits to decrease the quantity of additionally added micro elements in the rations in 5 times for Fe and in 4 times for Cu, Mn and Zn comparing with the sum of these micro elements in salt form with additional increasing at 95th day age, average data: number of piglets per farrowing by 0.8 piglet, survival ability by 11.2 %, piglet live mass by 3.2 %, live mass of farrowing by 13.0 %, sow milk productivity by 10.9 %, daily gains by 3.4 %. Use of 3 micro elements (Cu, Mn, Zn) sum in combyhumate form (without saccharin) in rations of 4.5th – 7.5th month age gilts permits to decrease the quantity of additionally added micro elements in the rations in 4 times comparing with the sum of these micro elements in salt form with additional increased at 8.5th month age: average live mass by 5.3 %, average daily gains by 10.4 %. After the 1st farrowing average reproductive parameters at 60th day age increased comparing with control: number of piglets/farrowing by 9.9 %, survival ability by 5.7 %, sow milk productivity by 8.5 %, live mass of farrowing by 11.7 %

Key words: pig feeding, micro elements, salts, chelates, combyhumates, taste additives.

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