Conception Rate of Non-descript Zebu Cows and its Attributing Factors in Bangladesh

Mollah, M.F.K.; Gofur, M.R.; Asaduzzama, K.M.; Bhuiyan, Mohammad Musharraf Uddin

doi:10.3923/rjvs.2015.42.51

Cited by 7 publications

(5 citation statements)

References 11 publications

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“…The conception rate did not vary according to the ownership type, ecological zone, or the interaction between ownership type and ecological zone, with the rate ranging from 84 to 94%. The average conception rates reported in this study are higher than the average conception rate of 56% reported for various breeds in India (Bhagat & Gokhale, 2016) and the 57.7% conception rate of the non-descript Zebu cows in Bangladesh (Mollah, Gofur, Asaduzzaman, & Bhuiyan, 2015). The high conception rate in this study may be attributed to the fact that the mating of these cows occurred during the same breeding period of the year.…”

Section: Discussioncontrasting

confidence: 71%

Evaluation of Nguni cattle performance from communal property associations and private ownership types across three ecological zones of Mpumalanga province, South Africa

Sambo

Tada

Chitura

et al. 2023

5005

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Nguni cattle in South Africa are diminishing at the expense of exotic breeds and crossbreeds. Therefore, the Industrial Development Corporation and Mpumalanga Province Department of Agriculture adopted the Nguni cattle conservation project. Herds of 30 heifers and a bull were allocated to 34 communal property associations (CPAs) and 40 private farms. This study aimed to evaluate growth and reproductive performance across three ecological zones and two ownership patterns. Nine CPAs and nine private farms were sampled. Age at first calving, conception, calving, and weaning rates were determined from production records, while calf birth and weaning weights were digitally measured. Data was analyzed using two-way analysis of variance (ANOVA) with Tukey’s honestly significant difference (HSD) used for mean separation. Significant differences were observed across ecological zones for age at first calving, weaning rate, and birth and weaning weights (p < 0.05). Concerning age at first calving, the Midveld ecological zone performed best (24 months) for both ownership types compared to the Highveld (28.09 months private, 26.00 CPA) and Lowveld (28.35 months for both ownership types). Highveld performed higher on birth weight (25.35 kg) and weaning rate for private (93%) and CPA (80%). Lower birth weights were observed in both ownership types in Midveld (22.17 kg). The Lowveld zone had a higher birth weight (26.80 kg) in CPA. Higher weaning weights were observed in private ownership of Highveld (190.16 kg) and the lowest (160.39 kg) in the Midveld zone. CPAs in Highveld had higher weaning weights (187.55kg) than in Midveld (167.50 kg). The results suggest that Nguni cattle respond differently in the various ecological zones of Mpumalanga Province.

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Section: Discussioncontrasting

confidence: 71%

Evaluation of Nguni cattle performance from communal property associations and private ownership types across three ecological zones of Mpumalanga province, South Africa

Sambo

Tada

Chitura

et al. 2023

5005

View full text Add to dashboard Cite

show abstract

“…The study shows an overall conception rate across all breeds of 71.7 ± 9.5%. These results fall within the 40 to 80% fertility rates reported in Australia and is much higher than the 34.53-57.7% reported in India, Rwanda, Cameroon, Sri Lanka, and Bangladesh (Bhagat and Gokhale 2016; Mollah et al 2015;Nishimwe et al 2015;Pagthinathan et al 2016).…”

Section: Discussionsupporting

confidence: 61%

“…Kamga-Waladjo et al (2011) have also observed optimum fertility in cow aged 5-7 years (Kamga-Waladjo et al 2011). According to Mollah et al (2015), pregnancy rate of the 4-6-year-old cows is actually positively correlated with milk production (Mollah et al 2015). The decreasing fertility of the cows over 10 years of age can be explained by normal reproductive organ senescence.…”

Section: Discussionmentioning

confidence: 99%

“…In the Afrikaner, the highest conceptions were in the group below 4 years and that aged 4 to 10 years but lower in the group older than 10 years of age. The explanation for the differences in Afrikaners can be attributed Mir et al 2015;Mollah et al 2015).…”

Section: Discussionmentioning

confidence: 99%

“…Although the negative correlation between milk production and fertility in dairy cows is well known (Toledo-Alvarado et al 2017), studies in Zebu cattle have reported contrasting results (Mollah et al 2015). Kamga-Waladjo et al (2011) have also observed optimum fertility in cow aged 5-7 years (Kamga-Waladjo et al 2011).…”

Section: Discussionmentioning

confidence: 99%

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Conception Rate of Non-descript Zebu Cows and its Attributing Factors in Bangladesh

Cited by 7 publications

References 11 publications

Evaluation of Nguni cattle performance from communal property associations and private ownership types across three ecological zones of Mpumalanga province, South Africa

Evaluation of Nguni cattle performance from communal property associations and private ownership types across three ecological zones of Mpumalanga province, South Africa

Conception rates and calving intervals of different beef breeds at a farm in the semi-arid region of Namibia

Genetic parameters for milk, growth, and reproductive traits in Guzerá cattle under tropical conditions

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