Banca de QUALIFICAÇÃO: TIAGO VIGOLO

Uma banca de QUALIFICAÇÃO de MESTRADO foi cadastrada pelo programa.
STUDENT : TIAGO VIGOLO
DATE: 11/12/2020
TIME: 16:00
LOCAL: Web Conferência - meet.google.com/fte-qntd-eno.
TITLE:

Impact of probiotics use on the quality of colostrum in swine matrices, based on colostrum analysis using the immunocrit technique.

KEY WORDS:

Maternity; Nutrition; Sanity; Pork farming.

PAGES: 45
BIG AREA: Ciências Agrárias
AREA: Medicina Veterinária
SUMMARY:

Probiotics are food supplements based on live microorganisms capable of adjusting the balance of the intestinal microbiota and increasing the productive capacity of pigs. Due to its benefits, supplementation of probiotics in the breeding swine matrices can be a promising alternative to improve the levels of immunoglobulins (Ig) in colostrum. Objective - evaluate the effects of probiotic supplementation over the colostrum quality for matrices in the final stage of gestation. Methods - the procedures performed in this study were approved by the Ethics Committee on the Use of Animals of the Catarinense Federal Institute. The probiotic was offered in the feeding of the matrices for 40 days. Two matrices groups were formed: Control and Treatment. The farrowing orders of the matrices were considered: OP1 (primiparous); OP2 (farrowing 2 to 3); OP3 (farrowing 3 to 5); OP4 (farrowing 6 to 7) and birth order of piglets: ON1 (first 3 births); ON2 (last 3 births). At the beginning of the farrowing, a blood sample was collected from the matrice swine and her piglets were weighed. After 24 hours the piglets were weighed again and a blood sample was collected from each piglet to determine the their Ig concentration using the immunocrit method. Samples will be collected from 70 swine matrices and their litters for final statistical analysis. The production unit is located in Salto Veloso - SC city. The climate is classified as mesothermal according to the Koppen classification system. Results - The partial results of 22 matrices were statistically analyzed. This analysis showed that blood samples from the matrices of the treatment group showed a higher concentration of Ig compared to the control group (P<0,05). There was also a significant effect on Ig levels of the farrowing order (P <0,05). However, for blood samples from piglets, comparing all piglets in the treatment and control group, there was no significant difference in the amount of Ig (P=0,92). However, analyzing separately the piglets groups that were born at the end of the farrowing, of these, the piglets from the probiotics supplemented matrices had a lower drop in the immunocrit rate compared to the control group (P<0,05), demonstrating a higher capacity of the mother to transfer passive immunity even several hours after birth begins. There was also a significant difference (P<0,05) in the amount of Ig observed in the blood of piglets considering the matrices' farrowing order and the piglets' birth order. It can be concluded from these partial experimental data, that probiotics have the potential to improve the levels of Ig in the blood of matrices and also their litters. Moreover, factors such as the farrowing order of the sows and the piglets' birth order also cause significant effects on the concentration of Ig in the blood of the swine matrice and their piglets.

BANKING MEMBERS:
Interna - 1989957 - ALESSANDRA FARIAS MILLEZI
Presidente - 1760760 - CARLOS EDUARDO NOGUEIRA MARTINS
Interno - 2613308 - DELANO DIAS SCHLEDER
Interna - 1046884 - ELIZABETH SCHWEGLER
Interno - 2648941 - IVAN BIANCHI
Interno - 2017813 - RICARDO EVANDRO MENDES
Interna - 1081425 - TEANE MILAGRES AUGUSTO GOMES
Interna - 1085177 - VANESSA PERIPOLLI