This study was carried out to reveal the seasonal dietary variation of striped hamster (Cricetulus barabensis ) in Kubuqi desert of Ordos semi-arid environment in 1996.The food composition was determined by checking s...This study was carried out to reveal the seasonal dietary variation of striped hamster (Cricetulus barabensis ) in Kubuqi desert of Ordos semi-arid environment in 1996.The food composition was determined by checking stomach and pouch contents.The results showed that striped hamster ate more insects and seeds than other foods in spring.The food habit changed to plant leaves and seeds in summer.In autumn the food content was mainly seeds.The animal chose perennial and annual seeds alternatively between summer and autumn.This indicated that the food habit was modified by the availability of food resources and animals’need for water and energy in this arid environment.展开更多
In domestic animals,the body weight is the ultimate result of growth which forms the basis of meat production.Sex,nutrition,breed and health are the main factors which influence the growth rate in animals.Heredity whi...In domestic animals,the body weight is the ultimate result of growth which forms the basis of meat production.Sex,nutrition,breed and health are the main factors which influence the growth rate in animals.Heredity which is the major factor affecting the prenatal growth either directly through the genotype of the fetus or indirectly through the genotype of the dam.The prenatal growth patterns and development of the camel fetus is just like the fetus of cattle,however,the meat output from the breeding she-camels is limited often due to longer gestation periods,longer milk feeding periods,lower calving rates under traditional management system.A lot of variation regarding camelid daily growth rate exists that varies widely between breeds,within breeds and regions.There is a significant effect of pre-weaning and post-weaning growth rates on the final body weights in camelids.Management system,the available milk quantity,husbandry practices and vegetative conditions are the main factors that affect the pre and post weaning growth rates of camel calves.However,it is partially dependent on the availability of browsing species throughout the whole year.In this specific study,an effort has been drawn to look into the literature data for camel growth assessment.展开更多
Camel plays a pivotal role in the subsistence pastoral economy of diverse ecozones extending from Gobi Desert and India in central Asia to Somalia and Ethiopia in the horn of Africa.Camel has special attributes includ...Camel plays a pivotal role in the subsistence pastoral economy of diverse ecozones extending from Gobi Desert and India in central Asia to Somalia and Ethiopia in the horn of Africa.Camel has special attributes including its appearance and ability to survive in hot,harsh and versatile arid environments.Camel has fascinated mankind as it can tolerate many stresses like heat;scarcity of water;water with high salinity and shortage of feed.Camel can digest dry matter and coarse crude fiber better than any other ruminants.Among domestic animals,the dromedary is most important animal being survive in hot,arid and semi-arid regions and has potential to produce higher quality foods(meat and milk)under extreme environments at lower costs.Camel can tolerate solar radiations,higher temperatures and water scarcity.Camel consume those feed materials which remain un-utilized by other domestic animals,thus thrive well on sandy deserts with poor vegetation.Adaptation of Camelids in Pakistan is very well to their native environment as they are performing and well sustaining a life in hostile deserts.The dromedaries provide milk and meat to the pastorals and herders in those areas where the survival of other livestock species is very tough.So,camels equilibrate the food security chain in the deep deserts and provide nourishment to its keepers;proving it to be a good candidate of food security and sovereignty in the desert ecosystem.展开更多
文摘This study was carried out to reveal the seasonal dietary variation of striped hamster (Cricetulus barabensis ) in Kubuqi desert of Ordos semi-arid environment in 1996.The food composition was determined by checking stomach and pouch contents.The results showed that striped hamster ate more insects and seeds than other foods in spring.The food habit changed to plant leaves and seeds in summer.In autumn the food content was mainly seeds.The animal chose perennial and annual seeds alternatively between summer and autumn.This indicated that the food habit was modified by the availability of food resources and animals’need for water and energy in this arid environment.
文摘In domestic animals,the body weight is the ultimate result of growth which forms the basis of meat production.Sex,nutrition,breed and health are the main factors which influence the growth rate in animals.Heredity which is the major factor affecting the prenatal growth either directly through the genotype of the fetus or indirectly through the genotype of the dam.The prenatal growth patterns and development of the camel fetus is just like the fetus of cattle,however,the meat output from the breeding she-camels is limited often due to longer gestation periods,longer milk feeding periods,lower calving rates under traditional management system.A lot of variation regarding camelid daily growth rate exists that varies widely between breeds,within breeds and regions.There is a significant effect of pre-weaning and post-weaning growth rates on the final body weights in camelids.Management system,the available milk quantity,husbandry practices and vegetative conditions are the main factors that affect the pre and post weaning growth rates of camel calves.However,it is partially dependent on the availability of browsing species throughout the whole year.In this specific study,an effort has been drawn to look into the literature data for camel growth assessment.
文摘Camel plays a pivotal role in the subsistence pastoral economy of diverse ecozones extending from Gobi Desert and India in central Asia to Somalia and Ethiopia in the horn of Africa.Camel has special attributes including its appearance and ability to survive in hot,harsh and versatile arid environments.Camel has fascinated mankind as it can tolerate many stresses like heat;scarcity of water;water with high salinity and shortage of feed.Camel can digest dry matter and coarse crude fiber better than any other ruminants.Among domestic animals,the dromedary is most important animal being survive in hot,arid and semi-arid regions and has potential to produce higher quality foods(meat and milk)under extreme environments at lower costs.Camel can tolerate solar radiations,higher temperatures and water scarcity.Camel consume those feed materials which remain un-utilized by other domestic animals,thus thrive well on sandy deserts with poor vegetation.Adaptation of Camelids in Pakistan is very well to their native environment as they are performing and well sustaining a life in hostile deserts.The dromedaries provide milk and meat to the pastorals and herders in those areas where the survival of other livestock species is very tough.So,camels equilibrate the food security chain in the deep deserts and provide nourishment to its keepers;proving it to be a good candidate of food security and sovereignty in the desert ecosystem.
