Calving Period Affects Cow And Calf Performance In Semi-Arid Areas In Zimbabwe

Gusha, J.

doi:10.9790/2380-0336165

Cited by 4 publications

(6 citation statements)

References 17 publications

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“…Semi-arid areas have characterised by erratic rainfall, predominated by aloes, thorn bush, some hardwood and the areas are prone to droughts (Gusha et al, 2013). Cows in semi-arid areas expected to be more likely to abort or have stillbirths due to lake of adequate nutrients coupled with frequent extreme temperatures.…”

Section: Discussionmentioning

confidence: 99%

“…This is in line with arguments put forward by Maciel et al (2013a,b) that Nguni cattle kept under different environments will evolve into different ecotypes in the long run as a result of the interaction between the environmental factors and their individual genetic capacities. Semi-arid regions are characterised by scanty rainfall and scrubby vegetation (Gusha et al, 2013). It has been suggested that body depth, flank circumference and chest circumference all determine body capacity in cows .…”

Section: Discussionmentioning

confidence: 99%

“…Poor nutrition and heat stress in semi-arid areas are the major cause of long calving intervals in semiarid regions (Ball and Peters, 2004). The semi-arid areas are subjected to frequent droughts when compared with sub-humid areas (Gusha et al, 2013).…”

Section: Discussionmentioning

confidence: 99%

“…Stillbirths and abortions have been attributed to various factors including high disease prevalence and poor nutrition (Khodakaram-Tafti and Ikede, 2005). Calving percentages vary yearly due to environmental stresses, such as droughts and fluctuation of environmental temperatures (Gusha et al, 2013); suggesting nutrition and environmental stress play critical roles.…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Are calving interval, abortions, incidence of stillbirths and pre-weaning losses in Nguni cows associated with linear type traits?

Zindove¹,

Chimonyo²

2015

Animal Reproduction Science

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Are calving interval, abortions, incidence of stillbirths and pre-weaning losses in Nguni cows associated with linear type traits?

Zindove¹,

Chimonyo²

2015

Animal Reproduction Science

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“…The higher mortality rate from livestock affects the acceleration of the decrease in natural increase value, and if the mortality rate is lower, the natural increase value will increase. Gusha et al (2013) and Habaora et al (2019 c ) stated that a long calving interval in Bali cattle farm in Timor Island is generally because the calves are not weaned so the first estrous after postpartum is extended, the conception of female cattle takes a long time, the failed conception and service per conception are high, and the age on the first female conception is slow. Bures and Barton (2012) stated that the slaughter of female cattle was carried out if the livestock had a low reproductive performance.…”

Section: Use Of the Modelmentioning

confidence: 99%

Analysis of the Development of Bali Cattle Population in Agriculture Ecosystem of Timor Island using System Dynamics

Fuah

Yani

Priyanto

et al. 2020

JAP

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Developing Bali cattle population in Timor Island, East Nusa Tenggara province carries a potential issue regarding cattle population. The objective of this research was to conduct an analysis and projection of the development of Bali cattle population in the agricultural ecosystem in Timor Island using system dynamics. The research was conducted from January to September 2018. The research location was determined purposively based on the characteristics of the agricultural ecosystem located in Kupang Regency and Kupang City. The research used 60 Bali cattle and involved 102 rancher respondents. Interviews and field observations were conducted to obtain primary and secondary data. Data analysis was done by building a system dynamics using Powersim and interpreting the simulation results for the next 30 years. The analysis results of the system dynamics showed that a declining population of Bali cattle over the next 19 or 25 years due to the ranchers' current behavior. The contributing factors included calf mortality that reached 29.6% per year; Bali cow mortality was up to 14.1% per year; calving interval was 22 months; traditional farm management that it is not economical; and the rate of livestock export reached 29.5% per year of the total population. Rancher management interventions and farm policies to reduce the inhibiting factors of cattle productivity are needed to maintain the population of Bali cattle in Timor Island, especially in the agricultural ecosystem.

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Performance of cattle reared on rangelands supplemented with farm-formulated diets during the dry season in Zimbabwe

Gusha

Chiuta²,

Katsande

et al. 2017

Anim. Prod. Sci.

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Feed quality in rangelands reaches an all-time low during the dry season thus affecting animal performance. The use of farm-formulated supplements is an alternative which can be adopted to minimise the effects of nutritional stress. However, the effects of supplementing nursing cows, twice a week with farm-formulated diets; on cow maintenance, calf weaning weight and conception rate is little known. Thirty indigenous Mashona cows were allocated to five treatments of a commercial supplement known as beef survival meal, urea-treated maize stover, Leucaena leucocephala meal, mixed forage meal and without supplements. The study was repeated with a new set of nursing cows each year for 3 years. Nutrient composition of treatment diets varied with Leucaena leucocephala having more crude protein than the other diets. Forage-supplemented groups had higher (P < 0.05) rate of weight increase and weaning weights with Leucaena leucocephala and beef survival meal having better results among the groups. Nursing cows that were in protein-supplemented groups had significantly higher (P < 0.05) conception rate than the group of nursing cows, which were not offered the protein supplements. We concluded that, with farm-formulated supplements given twice per week, nursing cows can maintain better body condition, wean heavier calves and successful conceive every year thus improving animal productivity.

show abstract

Calving Period Affects Cow And Calf Performance In Semi-Arid Areas In Zimbabwe

Cited by 4 publications

References 17 publications

Are calving interval, abortions, incidence of stillbirths and pre-weaning losses in Nguni cows associated with linear type traits?

Are calving interval, abortions, incidence of stillbirths and pre-weaning losses in Nguni cows associated with linear type traits?

Analysis of the Development of Bali Cattle Population in Agriculture Ecosystem of Timor Island using System Dynamics

Performance of cattle reared on rangelands supplemented with farm-formulated diets during the dry season in Zimbabwe

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