Influence of some factors on fertility and weight if sheep and body weight development of lambs-Reference-Cited by-同舟云学术

Influence of some factors on fertility and weight if sheep and body weight development of lambs

Published:2022 Issue:2 Volume:38 Page:93-100
ISSN:1450-9156
Container-title:Biotehnologija u stocarstvu
language:en
Short-container-title:BIOTEC ANIM HUSB

Author:

Lecic Nemanja¹,Caro-Petrovic Violeta¹^ORCID,Ruzic-Muslic Dragana¹,Maksimovic Nevena¹^ORCID,Cekic Bogdan¹^ORCID,Cosic Ivan¹

Affiliation:

1. Institute for Animal Husbandry, Belgrade, Serbia

Abstract

The research included a total of 921 lambs, 474 ewes and 8 sjenicke sheep rams from 4 different farms. The aim of the research was to examine the influence of the farm, cultivation technology and the influence of rams within the farm on production indicators. Statistical analysis showed that the body weight of lambs at birth ranged from 3.37 to 4.03 kg (average 3.68 kg), at 30 days from 11.51 to 12.41 kg (average 12.07 kg) and from 90 days from 27.82 to 29 kg (average 28.65 kg). A statistically highly significant influence of the farm was determined (P<0.01) on the body weight of lambs in all three control periods, as well as on the body weight of sheep and on the fertility of sheep. The influence of the ram on the body weight of the lambs at birth was statistically very significant within the farm (P<0.01). When it comes to the percentage share of birth type by farm, farm 1 had the most singletons (59.13%) both within the farm and in comparison between other farms, while there were fewer twins (40.87%), and triplets were not identified. On the other farms, the percentage of twins was the highest, and triplets were also present, while on farm 4 there were also quadruplets, lambs born as quadruplets (3.28%).

Funder

Ministry of Education, Science and Technological Development of the Republic of Serbia

Publisher

National Library of Serbia

Subject

General Medicine

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