University of Khartoum

Assessment Of Productive And Reproductive Traits And Management Practises In Dairy Farms In Khartoum State

Assessment Of Productive And Reproductive Traits And Management Practises In Dairy Farms In Khartoum State

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Title: Assessment Of Productive And Reproductive Traits And Management Practises In Dairy Farms In Khartoum State
Author: Ahamed, Eshraga
Abstract: This study was conducted to evaluate the productive and reproductive traits of the dairy sector under different management and husbandry practices in some dairy farms in Khartoum State. The data was collected from 150 dairy farms (survey), randomly selected from different localities within Khartoum state. Information pertinent to dairy management, husbandry practices and preventive measure practices were secured through an extensive questionnaire and direct interview with the owners farms. These farms were divided into two groups in traditional rearing system to compare the two groups in productive and reproductive traits under study. A group (poorly managed farms) and B group (good managed farms) The data were collected and subjected to statistical analysis using the computer program (SPSS) Statistical Package for Social Science. A descriptive statistical analysis of the data indicated the following: - The total number of cattle in the 150 herds surveyed was 10189 heads with an overall mean of 67.93± 7.78 head / herd. The study showed that 87.3 % of the total dairy farms surveyed own crossbred cows with varying levels of exotic blood. The exact crossing percentage however was not identified because of lack of breeding records in the majority of the farms. The herd structure was as follow: the number of milking cows was 5957 cow ( 34 % of the total herd ), dry cows was 4227 cow ( 23 % of the total herd ) with an overall mean of 39.71±4.98 cows / herd and 28.18± 3.06 cows / herd respectively. The heifers comprised 13%, and calves (suckling 19%, weaning 11%).The average daily milk production per cow/ day was found to be18.24 ±0.59 Ibs. xi The data showed that the overall mean of the productive and reproductive traits investigated as fallows ; Milk yield per lactation 3993.74±128.59 (Ib), daily milk yield / cow/ day 18.24 ±0.59 (Ib), lactation length 7.32 ± 0.07(months) , dry period 2.01±0.01(months ) , age at first calving 34.69± 0.25(months) , calving interval 12.01 0.03(months), gestation length 279.90±0.1 days) , number of services per conception 1.77± 0.9 Only 33.3% of the farmers owned cultivable lands for growing their own roughages. The study showed the great impact of poor system of feeding from poor sources of fodders, so these affect the productivity and quality of milk. Most of the pens were poorly designed from local material with minimal impact on thermal stresses .Individual calf housing was adopted in only 0.7 % of the farms and most of farms adopted groups housing (98.7%) in which poor environment and non hygienic measures prevail. About (67.3%) practiced identification of calves by name and ear tags. The study showed that (90%) of the total farms studied do not keep farms records, and if exist it included only services records for artificial insemination companies .The records lack accuracy in addition to that poor supervision and insecurity in the farms Furthermore, the study indicated that (35.3%) of the animal owners depend on AI services while (32.7%) natural insemination and combination (32%), indicate that the growth of awareness among farmers about the important of AI. The study pointed to the deterioration of health and spread of diseases. These may be attributed to the lack of veterinary and extension services in the farms, (28% and, 6%) respectively. Comparison between the poorly and good managed farms revealed no significant effects in the main traits studied; The daily milk yield in the two group 18.19±0.63 , 18.50±1.69 (Ib) ; The age at first calving 34.69±0.27 , 35.24±0.73 (month) ; Calving interval 11.99±0.01, 12.14±0.17 (month) ; Gestation period length 279.84±0.11, 280.24±0.24 (days) ; Number of services per conception (N.S.C) 1.80±0.4 , 1.57±0.5 respectively . The finding of the study highlighted most of the constraints that face the dairy sector in Khartoum state.
URI: http://khartoumspace.uofk.edu/handle/123456789/8701
Date: 2015-04-09


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