Studies on feeding milk of Pantja goats and Badri cows to induced hypovolemic large white Yorkshire piglets
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Date
2020-08
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G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand)
Abstract
Present study was carried out to find the effect of feeding milk of Pantja goats and Badri cows on haematological, physiological, behavioural and growth traits in induced hypovolemic LWY piglets. Experiment was conducted at Pig Unit, LPM Deptt., CVASc., GBPUAT, Pantnagar during Oct.–Nov. 2019 and May – June 2020, aiming to know normal blood picture, rate of recovery of various blood constituents, growth, physiological and behavioural traits in induced hypovolemic piglets under different treatments. Experiment utilised RBD design, blocked with body weight and gender with a total of 18, 2.5 months old Large White Yorkshire piglets for 30 days period. In all there were T0, T1, T2 groups with 6 piglets (4 male + 2 female) each. All the three groups’ piglets were subjected to induced hypovolemia by withdrawing 15% animal’s total blood volume, 7.5% in each time on 75th and 78th day. T0 group was maintained only with basal diet. T1 and T2 group piglets were additionally provided with Pantja goat milk and black Badri cow milk, respectively, during 75 to 105 day age. Volume of milk provided was double the amount of blood volume withdrawn from piglets to cause hypovolemia. Blood samples were collected on 75th, 78th, 82nd, 90th and 105th day. Body weight was measured every 10 days during 75th to 135th day. Physiology and behavioural characters were observed on 75th, 78th, 80th and 82nd day. From the result, average normal blood picture of weaned LWY piglets for haemoglobin (g/dl), ESR (mm/hr), platelet counts (105 cells/ mm3), TLC (103 cells/ mm3), TEC (106cells/ mm3), neutrophils (%), lymphocyte (%) and monocytes (%) was 11.36 ± 0.20, 10.00± 2.01, 3.1767 ± 0.2577, 5.8806 ± 0.1525, 16.211 ± 0.668, 25.94 ± 2.73, 69.39 ±2.60, 3.00 ± 0.22, respectively. Observed values differed significantly among groups for platelets count, TEC, TLC, neutrophil (%) and lymphocyte (%). T2
group piglets showed promising results in comparison to T1 and T0 group piglets. Whereas, haemoglobin, ESR, platelets count, TEC, neutrophil (%), lymphocyte (%) and monocytes (%) differed along days of testing. Their values resumed to normal level within a fortnight. Body weight gain analysed at various intervals picked maximum growth (P<0.01) during 105-115 day (255±30 g/ day) and it favoured T2 group (318±61 g/d) over others. Body weight gain during pre-experimental, experimental and post experimental period differed significantly (P<0.01) and the values were 99.2±7.8, 162.3±11.0 and 164.3±12.6 g/d, respectively. In all groups respiration rate was significantly (P<0.01) higher after blood withdrawal, on 78th day and it took a week to recover to normal state. Rectal temperature did not show any variation between groups as well as over one week of induced hypovolemia. Level of physical activity was similar for all groups but T2 group piglets recovered quicker than other piglets. Response to feed offering and playing in group was more appealing in Badri milk fed group and the animal behaviours were normal within one week time. Study revealed that black Badri milk fed piglets excelled in almost all haematological, growth, physiological and behavioural traits over Pantja goat milk fed piglets and control group piglets. Considering pig as a model for human study, the milk of black Badri cows may be considered useful in improving platelets count, humoral defence and immunity levels in conditions as have been developed experimentally in the present experiment. This nature of study was rare and the proof for review was scanty. So further studies are recommended on these lines with larger observations.