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Determination of Reproductive Parameters of Sows at Rural Areas of Bangladesh

Ranjit Chandra Sinha
Department of Surgery and Obstetrics, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh

Abdullah-Al-Maruf
Department of Livestock Services, Ministry of Fisheries and Livestock, Bangladesh Government, Bangladesh

Ashis kumar kundu
Department of Surgery and Obstetrics, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh;

Md. Atiqur Rahman
Department of Surgery and Obstetrics, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh

Md. Touhidul Islam
Department of Surgery and Obstetrics, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh

Mohammad Abdullah-Al Mamun
Department of Surgery and Obstetrics, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh

Abstract/ Executive Summary:

The aim of this study was to determine the reproductive parameters of sows in selected area of Bangladesh. A total of 51 sows from 21 farms were selected for this study. The data on reproductive parameters were collected from the owners by interviewing with pretest questionnaire. We found that the age at puberty, estrus cycle length, estrus duration, interval between farrowing and onset of estrus and gestation length were 254.5±34.4 and 21.2±1.2 days, 34.2±13.2 h, 51.8±10.9 and 114.3±0.9 days, respectively. The number of required services for each pregnancy in native sows was 1.4 ±0.6, and the first service pregnancy rate using natural mating was 63.8%. Moreover, the number of piglets born per sow was 7.6±3.4. The highest piglet production (10.6±3.1) was in parity 5 and the lowest (4.1±0.6) was in parity 1. Estrus was detected in 34.1% sows on the basis of observing standing reflex when boar mounted. In conclusion, reproductive parameters in native sows of Bangladesh need to be improved for ensuring satisfactory reproductive performances.

Keywords: Sows, Reproduction, Fertility, Estrus cycle

Location: Gobidonagar, Khochabari, Fakirpara and Nischintopur

Start Date: 00-09-2011

End Date: 00-04-2012

Program Area: Variety and Species

Commodity: Cattle

Objectives:

To determine the common reproductive parameters of local sows in selected area of Bangladesh.

Methodology:

Selection of the study area: Two villages and two wards of Sadar upazila of Thakurgaon district namely- Gobidonagar, Khochabari, Fakirpara and Nischintopur were selected for the study. The data of indigenous sows were collected from the mentioned area. A large number of Dalits live there. Most of them work as sweepers. Rising of indigenous sows were the main source of their livelihood.Management of sows: The sows were managed extensively or traditionally. In extensively managed small hold farms, most sows were under grazing freely daily. All sows had free access to drinking water. There was no restriction of sucking by piglets. Weaning is occurred naturally in these sows. Boars and sows were kept together and natural mating occurred among them. They were kept in open houses made by bamboo. Floor of some houses was made of concrete and some were made of sand. Most of the houses of swine were not clean and the site of housing was not clean also. The houses of sows were located near the drain or garbage. Farmers are not careful of the general health condition of swine. No deworming and vaccination were in practice there. By day, sows were kept free and they took food from here and there. At night, they were kept in houses. Sows were fed with rice husk, rice polish, rice gruel and waste product of hotels. Collection of data: Data were collected during September 2011 to April 2012 by direct interview. Information given by owners of sows was recorded on pre-tested questionnaire for analysis

Source of Information: J. Adv. Vet. Anim. Res., 2(1): 74-79

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

For native sows of Bangladesh, it may be concluded that the age at puberty, estrus cycle length, estrus duration are 254.5±34.4 and 21.2±1.2 days, and 34.2±13.2 h, respectively. The interval between farrowing and onset of estrus is 51.8±10.9 days. The gestation length is 114.3±0.9 days. The number of required services for each pregnancy is 1.4 ± 0.6. The first service pregnancy rate using natural mating is 63.8%. The number of piglet born per sow is 7.6±3.4. Standing reflex at estrus was observed in 34.1% females.

Knowledge Management: Journal