The people (Tribes) of Arunachal Pradesh have the natural tendency to remain close contact with animals since immortal. The domestic animals are kept in basement of the house with human occupants in the first floor of same house. They remain in close contact with cattle, sheep, goat, pigs, poultry, cats and dogs throughout the year, exposing them to many animal born diseases of occupational risk. People are not aware of zoonotic diseases sharing between domesticated animal and human beings except for Rabies. So, there is regular out break of most common protozoan zoonotic diseases in human Giardiosis caused by Giardia spp. and amoebosis caused by Entamoeba spp. in the state. Another important disease of clinical significance is toxoplasmosis. Toxoplasma usually causes a febrile illness and abortions in pregnant women. The source of infection in humans may be due to close proximity with cats and unhygienic sanitation. Similarly high incidences of sarcocystis were reported form many district of Arunachal Pradesh. Source of transmission were adjudge to be eating of smoked pork and other meat product along with natural habit of eating raw vegetable as salad from contaminated areas could be the probable mode of transmission.
The aim was to compare standard lactation curve models using fortnightly milk records in Frieswal cattle. Materials and Methods:A total of 2904 fortnightly milk yield (FMY) records from 132 Frieswal cattle maintained at Military Farm, Bareilly, Uttar Pradesh were taken for study. The Wood (WD), Morant and Gnanasakthy (MG), Mitscherlich x Exponential (ME), and Wilmink (WK) models were fitted on average FMY (AFMY) by nonlinear regression using statistical package SAS 9.3 version. The goodness of fit of models was judged by the adjusted coefficient of determination (Adj. R 2 ) and root mean square error. Results:The AFMY ranges from 127.09 kg (first fortnight) to 110.04 kg (last fortnight) with peak fortnight yield of 189.51 kg and peak period at fourth fortnight. Predicted peak yield by different models ranges from 182.7 to 190.2 kg. The herd average milk yield was predicted with a high degree of accuracy (Adj. R 2 >92%) by all models with the maximum accuracy (Adj. R 2 =99.20%) obtained by ME model followed by MG (Adj. R 2 =98.8%) and WK model (Adj. R 2 =96.0%). Conclusion:The ME model provided best fit for FMY data in Frieswal cattle followed by WK and MG model, whereas WD model fitted least.
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