In temperate environments, forage availability and quality are known to influence life history traits of wild ungulates. However, variations in foraging strategies of these mountain dwellers with changing plant availability have received little attention. The seasonal vegetation availability in temperate climatic conditions of Kajinag National Park (KNP) was assessed by plot method at different altitudes (1900–3600 m a.s.l.) from 2018 to 2020 on seasonal basis. The objective of this study was to determine the impact of availability of vegetation on seasonal diet composition of Himalayan goral ( Naemorhedus goral ) inhabiting the National Park. We recorded 61 plant species whose availability differed significantly across seasons ( F 3,240 = 20.14, p < 0.05). We found seasonal variation in the diet composition of Himalayan goral depicting a strong relationship between plant consumption and dynamic availability in the study area. Himalayan goral consumed herbs in spring (dominated by Dioscorea deltoidea relative importance value (RIV) = 27.20, Poa pratensis RIV = 14.99 and Themeda spp. RIV = 12.87), grasses in summer (dominated by Themeda spp. RIV = 34.12, P. pratensis RIV = 30.14, Bothriochloa ischaemum RIV = 22.72) and autumn (dominated by Themeda spp. RIV = 34.64, P. pratensis RIV = 30.14, Stipa spp. RIV = 29.73) and shrubs in winter (dominated by Indigofera heterantha RIV = 47.05, Prunus tomentosa RIV = 17.51 and Lonicera spp. RIV = 16.98). The annual diet of Himalayan goral was dominated by graze species (72.66%). The proportion of graze items in the diet showed a sharp decline from spring (90.67%) to winter (19.23%) whereas that of browse showed a huge increment from spring (4.67%) to winter (74.43%). This shift shows a survival or foraging strategy of a temperate ungulate in harsh winters with limited forage availability.
27 March 2021 in Indian Journal of Animal Research
Background: Natural populations of ungulates are threatened by pathogens and parasites with gastrointestinal parasites being the most widespread. Parasitic infestation is one of the major problems in the management and a growing concern for the conservation of threatened wild animal species. The current study was undertaken to evaluate prevalence of gastrointestinal helminth parasites in Himalayan goral (Naemorhedus goral) in Kazinag National Park (KNP) of Kashmir. Methods: From May 2018 to June 2020, a total of 463 fresh faecal samples of Himalayan goral were collected from Kazinag National Park. The samples were processed by the standard sedimentation and floatation techniques. Result: Out of 463 faecal samples examined, 236 were found infected with GIT helminthes. In the present study five helminth species were found including, four nematodes [Haemonchus contortus (35.70%), Trichuris ovis (23.40%), Strongyloides spp. (20.80%) and Trichostrongylus spp. (12.30%)] and one cestode [Moneizia expansa (8.00%)]. Based on the severity of infection, 80.6% of goral positive samples were severely infected (epg greater than 1,500), 9.4% heavily infected (epg = 1,100-1,500), 3.3% moderately infected (epg = 800-1,000) and 6.8% mildly infected (epg = 500). Epidemiological prevalence of GIT helminthes in goral was profoundly influenced by different seasons. The maximum helminth infection was observed in summer season and minimum in winter (p = 0.03). Mixed infection was observed in 206 fecal samples with a prevalence of 47.24%.
Parasitic infection represents an emerging threat to wild ungulates and a challenge to their management. Although a lot of work has been carried out on helminth parasitic infestation of domestic ungulates of Kashmir but the data pertaining to this aspect of wild ungulates has being ignored. The study on gastrointestinal helminth parasitic infestation of wild ungulates was carried out during post livestock grazing period (November to May) of 2018/2019 in Hirpora Wildlife sanctuary (HWLS) to fill the gap in the existing literature. During the study fresh faecal samples of musk deer Moschus sp.(n=44) and markhor Capra falconeri (n=41)were collected and examined qualitatively and quantitatively for gastrointestinal helminth parasites. A total of seven helminth parasites were recorded which are arranged in the descending order of their overall prevalence as Haemonchus spp. (44.70%),Nematodirus spp. (40%), Trichuris spp. (37.64%), Strongyloides spp. (34.11%)Trichostrongylus spp. (28.23%),Monieziaspp. (23.52%) and Fasciola spp. (20%). The mean EPG (eggs per gram) of different parasites showed a considerable variation in both the wild ungulates. The highest mean EPGwas that of Haemonchus spp. and the lowest mean EPG was that of Fasciola spp. in both hosts. A statistically significant difference was observed in the mean EPG of different parasites among two wild hosts (t=3.606, p=0.01).