Growth and development of piglets depending on their live weight at birth
https://doi.org/10.32634/0869-8155-2022-364-11-55-59
Abstract
Relevance. The main task in organizing the feeding of suckling piglets is habituation early to feed and supplements, as well as the prevention of diarrhea and anemia. Up to 2 months of age is the most important period in the life of a piglet. The need of piglets for nutrients up to 3 weeks of age is usually met by sow milk, but from the first days of life they need additional nutrients, which must be given in the form of supplements.
Methods. Experimental studies were conducted on pigs of Large white breed. For scientific research, 5 sows were selected at their 2nd and 3rd farrowing with 10–12 piglets, covered with one hog-producer (Miron-149, age 42 months, live weight 317 kg. The zoohygenic parameters of the indoor microclimate were maintained. Pigs of all groups were in the same conditions of feeding and maintenance, and they were fed compound feed in accordance with the developed recipes.
Results. As a result of the research, it was revealed that with an increase in the age of sows increase their prolificacy, milk yield and nest weight on the 30th day and at 2 months of age. By milk yield the difference between sows of the first and fifth farrowing was 5.3 kg (P < 0.001), by nest weight at the age of 2 months — 16.6 kg (P < 0.001). The livability of piglets after the first and second farrowing was 89%, the third — 90%, the fourth and fifth farrowing — 96 and 95%. In all studied periods of development piglets with a larger live weight at birth were distinguished by a high absolute increase in live weight.
About the Authors
L. R. Mikhaylova
Chuvash State Agrarian University
Russian Federation
Russian Federation
Postgraduate student
29 Karl Marx Str., Cheboksary, 428003, Russian Federation
A. Yu. Lavrentiev
Chuvash State Agrarian University
Russian Federation
Russian Federation
Doctor of Agricultural Sciences, Professor
29 Karl Marx Str., Cheboksary, 428003; Russian Federation
V. S. Shernе
LLC "Natural products of the Volga region"
Russian Federation
Russian Federation
Candidate of Agricultural Sciences, Associate professor
8 , Tekstilshchikov str.,; Cheboksary, 428003; Russian Federation
N. V. Evdokimov
Chuvash State Agrarian University
Russian Federation
Russian Federation
Doctor of Agricultural Sciences, Professor
29 Karl Marx Str., Cheboksary, 428003; Russian Federation
A. I. Daryin
Penza State Agrarian University
Russian Federation
Russian Federation
Doctor of Agricultural Sciences, Associate Professor
30, Botanic str., Penza, 440014, Russian Federation
L. V. Zhestyanova
Chuvash State Agrarian University
Russian Federation
Russian Federation
Postgraduate student
29 Karl Marx Str., Cheboksary, 428003; Russian Federation
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Review
For citations:
Mikhaylova L.R., Lavrentiev A.Yu., Shernе V.S., Evdokimov N.V., Daryin A.I., Zhestyanova L.V. Growth and development of piglets depending on their live weight at birth. Agrarian science. 2022;1(11):55-59. (In Russ.) https://doi.org/10.32634/0869-8155-2022-364-11-55-59
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